dnl -*- Mode: Autoconf; tab-width: 4; indent-tabs-mode: nil; -*- dnl vi: set tabstop=4 shiftwidth=4 expandtab syntax=m4: dnl This Source Code Form is subject to the terms of the Mozilla Public dnl License, v. 2.0. If a copy of the MPL was not distributed with this dnl file, You can obtain one at http://mozilla.org/MPL/2.0/. dnl Process this file with autoconf to produce a configure script. dnl ======================================================== AC_PREREQ(2.13) AC_INIT(js/src/jsapi.h) AC_CONFIG_AUX_DIR(${srcdir}/build/autoconf) AC_CANONICAL_SYSTEM dnl ======================================================== dnl = dnl = Don't change the following two lines. Doing so breaks: dnl = dnl = CFLAGS="-foo" ./configure dnl = dnl ======================================================== CFLAGS="${CFLAGS=}" CPPFLAGS="${CPPFLAGS=}" CXXFLAGS="${CXXFLAGS=}" LDFLAGS="${LDFLAGS=}" HOST_CFLAGS="${HOST_CFLAGS=}" HOST_CXXFLAGS="${HOST_CXXFLAGS=}" HOST_LDFLAGS="${HOST_LDFLAGS=}" dnl ======================================================== dnl = Preserve certain environment flags passed to configure dnl = We want sub projects to receive the same flags dnl = untainted by this configure script dnl ======================================================== _SUBDIR_CC="$CC" _SUBDIR_CXX="$CXX" _SUBDIR_CFLAGS="$CFLAGS" _SUBDIR_CPPFLAGS="$CPPFLAGS" _SUBDIR_CXXFLAGS="$CXXFLAGS" _SUBDIR_LDFLAGS="$LDFLAGS" _SUBDIR_HOST_CC="$HOST_CC" _SUBDIR_HOST_CFLAGS="$HOST_CFLAGS" _SUBDIR_HOST_CXXFLAGS="$HOST_CXXFLAGS" _SUBDIR_HOST_LDFLAGS="$HOST_LDFLAGS" _SUBDIR_CONFIG_ARGS="$ac_configure_args" dnl Set the version number of the libs included with mozilla dnl ======================================================== NSPR_VERSION=4 NSPR_MINVER=4.9.2 dnl Set the minimum version of toolkit libs used by mozilla dnl ======================================================== WINDRES_VERSION=2.14.90 W32API_VERSION=3.14 dnl Set various checks dnl ======================================================== MISSING_X= dnl Initialize the Pthread test variables early so they can be dnl overridden by each platform. dnl ======================================================== USE_PTHREADS= _PTHREAD_LDFLAGS="" MOZ_DEFAULT_COMPILER if test -z "$JS_STANDALONE"; then autoconfmk=autoconf-js.mk fi AC_SUBST(autoconfmk) if test -n "$JS_STANDALONE"; then jsconfdefs=$_objdir/js/src/js-confdefs.h else jsconfdefs=$_objdir/js-confdefs.h fi MOZ_ANDROID_NDK case "$target" in *-apple-darwin*) MOZ_IOS_SDK ;; esac dnl ======================================================== dnl Checks for compilers. dnl ======================================================== dnl AR_FLAGS set here so HOST_AR_FLAGS can be set correctly (see bug 538269) AR_FLAGS='crs $@' if test "$COMPILE_ENVIRONMENT"; then # Note: # In Mozilla, we use the names $target, $host and $build incorrectly, but are # too far gone to back out now. See Bug 475488: # - When we say $target, we mean $host, that is, the system on which # Mozilla will be run. # - When we say $host, we mean $build, that is, the system on which Mozilla # is built. # - $target (in its correct usage) is for compilers who generate code for a # different platform than $host, so it would not be used by Mozilla. if test "$target" != "$host"; then MOZ_CROSS_COMPILER else AC_PROG_CC AC_PROG_CXX AC_PROG_RANLIB MOZ_PATH_PROGS(AS, $AS as, $CC) AC_CHECK_PROGS(AR, ar, :) AC_CHECK_PROGS(STRIP, strip, :) AC_CHECK_PROGS(WINDRES, windres, :) if test -z "$HOST_CC"; then HOST_CC='$(CC)' fi if test -z "$HOST_CXX"; then HOST_CXX='$(CXX)' fi if test -z "$HOST_RANLIB"; then HOST_RANLIB='$(RANLIB)' fi if test -z "$HOST_AR"; then HOST_AR='$(AR)' fi if test -z "$HOST_AR_FLAGS"; then HOST_AR_FLAGS='$(AR_FLAGS)' fi fi MOZ_TOOL_VARIABLES dnl Special win32 checks dnl ======================================================== # Target the Windows 8.1 SDK by default WINVER=601 case "$target" in *-mingw*) if test "$GCC" != "yes"; then # Check to see if we are really running in a msvc environemnt _WIN32_MSVC=1 # Make sure compilers are valid CFLAGS="$CFLAGS -TC -nologo" CXXFLAGS="$CXXFLAGS -TP -nologo" if test -z "$CLANG_CL"; then CPPFLAGS="$CPPFLAGS -utf-8" fi # MSVC warning C4800 warns when a value is implicitly cast to bool, # because this also forces narrowing to a single byte, which can be a # perf hit. But this matters so little in practice (and often we want # that behavior) that it's better to turn it off. # _CRT_SECURE_NO_WARNINGS disables warnings about using MSVC-specific # secure CRT functions. # MSVC warning C4595 warns non-member operator new or delete functions # may not be declared inline, as of VS2015 Update 2. CXXFLAGS="$CXXFLAGS -wd4800 -wd4595 -D_CRT_SECURE_NO_WARNINGS" AC_LANG_SAVE AC_LANG_C AC_TRY_COMPILE([#include ], [ printf("Hello World\n"); ],, AC_MSG_ERROR([\$(CC) test failed. You must have MS VC++ in your path to build.]) ) AC_LANG_CPLUSPLUS AC_TRY_COMPILE([#include ], [ unsigned *test = new unsigned(42); ],, AC_MSG_ERROR([\$(CXX) test failed. You must have MS VC++ in your path to build.]) ) AC_LANG_RESTORE changequote(,) _MSVC_VER_FILTER='s|.*[^!-~]([0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?).*|\1|p' changequote([,]) _MSC_VER=`echo ${CC_VERSION} | cut -c 1-2,4-5` AC_DEFINE(_CRT_SECURE_NO_WARNINGS) AC_DEFINE(_CRT_NONSTDC_NO_WARNINGS) AC_DEFINE(_USE_MATH_DEFINES) # Otherwise MSVC's math.h doesn't #define M_PI. if test "$_MSC_VER" -ge "1910"; then # VS2017+ # C5038: Enable initializer list order warnings # The -w1#### flag treats warning C#### as if it was a warning level # 1 warning, and thus enables it because we enable /W3 warnings. We # don't use -we#### because it would enable warning C#### but treat # it as an error, even in third-party code. # https://docs.microsoft.com/en-us/cpp/build/reference/compiler-option-warning-level CXXFLAGS="$CXXFLAGS -w15038" fi _CC_SUITE=14 MSVC_C_RUNTIME_DLL=vcruntime140.dll MSVC_CXX_RUNTIME_DLL=msvcp140.dll # C5026: move constructor was implicitly defined as deleted CXXFLAGS="$CXXFLAGS -wd5026" # C5027: move assignment operator was implicitly defined as deleted CXXFLAGS="$CXXFLAGS -wd5027" # -Zc:sizedDealloc- disables C++14 global sized deallocation (see bug 1160146) CXXFLAGS="$CXXFLAGS -Zc:sizedDealloc-" AC_SUBST(MSVC_C_RUNTIME_DLL) AC_SUBST(MSVC_CXX_RUNTIME_DLL) # Check linker version, except in lld builds case "$LINKER" in *lld*) ;; *) _LD_FULL_VERSION=`"${LINKER}" -v 2>&1 | sed -nre "$_MSVC_VER_FILTER"` _LD_MAJOR_VERSION=`echo ${_LD_FULL_VERSION} | $AWK -F\. '{ print $1 }'` if test "$_LD_MAJOR_VERSION" != "$_CC_SUITE"; then AC_MSG_ERROR([The linker major version, $_LD_FULL_VERSION, does not match the compiler suite version, $_CC_SUITE.]) fi ;; esac INCREMENTAL_LINKER=1 unset _MSVC_VER_FILTER CFLAGS="$CFLAGS -D_HAS_EXCEPTIONS=0" CXXFLAGS="$CXXFLAGS -D_HAS_EXCEPTIONS=0" else # Check w32api version _W32API_MAJOR_VERSION=`echo $W32API_VERSION | $AWK -F\. '{ print $1 }'` _W32API_MINOR_VERSION=`echo $W32API_VERSION | $AWK -F\. '{ print $2 }'` AC_MSG_CHECKING([for w32api version >= $W32API_VERSION]) AC_TRY_COMPILE([#include ], #if (__W32API_MAJOR_VERSION < $_W32API_MAJOR_VERSION) || \ (__W32API_MAJOR_VERSION == $_W32API_MAJOR_VERSION && \ __W32API_MINOR_VERSION < $_W32API_MINOR_VERSION) #error "test failed." #endif , [ res=yes ], [ res=no ]) AC_MSG_RESULT([$res]) if test "$res" != "yes"; then AC_MSG_ERROR([w32api version $W32API_VERSION or higher required.]) fi # Check windres version AC_MSG_CHECKING([for windres version >= $WINDRES_VERSION]) _WINDRES_VERSION=`${WINDRES} --version 2>&1 | grep -i windres 2>/dev/null | $AWK '{ print $3 }'` AC_MSG_RESULT([$_WINDRES_VERSION]) _WINDRES_MAJOR_VERSION=`echo $_WINDRES_VERSION | $AWK -F\. '{ print $1 }'` _WINDRES_MINOR_VERSION=`echo $_WINDRES_VERSION | $AWK -F\. '{ print $2 }'` _WINDRES_RELEASE_VERSION=`echo $_WINDRES_VERSION | $AWK -F\. '{ print $3 }'` WINDRES_MAJOR_VERSION=`echo $WINDRES_VERSION | $AWK -F\. '{ print $1 }'` WINDRES_MINOR_VERSION=`echo $WINDRES_VERSION | $AWK -F\. '{ print $2 }'` WINDRES_RELEASE_VERSION=`echo $WINDRES_VERSION | $AWK -F\. '{ print $3 }'` if test "$_WINDRES_MAJOR_VERSION" -lt "$WINDRES_MAJOR_VERSION" -o \ "$_WINDRES_MAJOR_VERSION" -eq "$WINDRES_MAJOR_VERSION" -a \ "$_WINDRES_MINOR_VERSION" -lt "$WINDRES_MINOR_VERSION" -o \ "$_WINDRES_MAJOR_VERSION" -eq "$WINDRES_MAJOR_VERSION" -a \ "$_WINDRES_MINOR_VERSION" -eq "$WINDRES_MINOR_VERSION" -a \ "$_WINDRES_RELEASE_VERSION" -lt "$WINDRES_RELEASE_VERSION" then AC_MSG_ERROR([windres version $WINDRES_VERSION or higher is required to build.]) fi fi # !GNU_CC AC_DEFINE_UNQUOTED(WINVER,0x$WINVER) AC_DEFINE_UNQUOTED(_WIN32_WINNT,0x$WINVER) # Require OS features provided by IE 8.0 (Win7) AC_DEFINE_UNQUOTED(_WIN32_IE,0x0800) ;; esac if test -n "$_WIN32_MSVC"; then SKIP_PATH_CHECKS=1 SKIP_COMPILER_CHECKS=1 SKIP_LIBRARY_CHECKS=1 # Since we're skipping compiler and library checks, hard-code # some facts here. # Common to all MSVC environments: AC_DEFINE(HAVE_LOCALECONV) AC_DEFINE(HAVE_HYPOT) AC_CHECK_FUNCS([_getc_nolock]) fi fi # COMPILE_ENVIRONMENT # Check to see if we are running in a broken QEMU scratchbox. # We know that anything below 1.0.16 is broken. AC_CHECK_PROGS(SBCONF, sb-conf ve, "") if test -n "$SBCONF"; then _sb_version=`$SBCONF ve` _sb_version_major=`echo $_sb_version | cut -f1 -d.` _sb_version_minor=`echo $_sb_version | cut -f2 -d.` _sb_version_point=`echo $_sb_version | cut -f3 -d.` if test $_sb_version_major -eq 1 -a $_sb_version_minor -eq 0 -a $_sb_version_point -le 16; then QEMU_CANT_RUN_JS_SHELL=1 fi fi AC_SUBST(QEMU_CANT_RUN_JS_SHELL) AC_SUBST(_MSC_VER) AC_SUBST(GNU_AS) AC_SUBST(GNU_CC) AC_SUBST(GNU_CXX) dnl ======================================================== dnl Checks for programs. dnl ======================================================== if test "$COMPILE_ENVIRONMENT"; then dnl ======================================================== dnl = Mac OS X SDK support dnl ======================================================== MACOS_SDK_DIR= MOZ_ARG_WITH_STRING(macos-sdk, [ --with-macos-sdk=dir Location of platform SDK to use (Mac OS X only)], MACOS_SDK_DIR=$withval) dnl MACOS_SDK_DIR will be set to the SDK location whenever one is in use. AC_SUBST(MACOS_SDK_DIR) if test "$MACOS_SDK_DIR"; then dnl Sync this section with the ones in NSPR and NSS. dnl Changes to the cross environment here need to be accounted for in dnl the libIDL checks (below) and xpidl build. if test ! -d "$MACOS_SDK_DIR"; then AC_MSG_ERROR([SDK not found. When using --with-macos-sdk, you must specify a valid SDK. SDKs are installed when the optional cross-development tools are selected during the Xcode/Developer Tools installation.]) fi CFLAGS="$CFLAGS -isysroot ${MACOS_SDK_DIR}" CXXFLAGS="$CXXFLAGS -isysroot ${MACOS_SDK_DIR}" dnl CPP/CXXCPP needs to be set for MOZ_CHECK_HEADER. CPP="$CPP -isysroot ${MACOS_SDK_DIR}" CXXCPP="$CXXCPP -isysroot ${MACOS_SDK_DIR}" AC_LANG_SAVE AC_MSG_CHECKING([for valid compiler/Mac OS X SDK combination]) AC_LANG_CPLUSPLUS AC_TRY_COMPILE([#include int main() { return 0; }], result=yes, result=no) AC_LANG_RESTORE AC_MSG_RESULT($result) if test "$result" = "no" ; then AC_MSG_ERROR([The selected compiler and Mac OS X SDK are incompatible.]) fi fi AC_PATH_XTRA XCFLAGS="$X_CFLAGS" fi # COMPILE_ENVIRONMENT # Separate version into components for use in shared object naming etc changequote(,) MOZJS_MAJOR_VERSION=`echo $MOZILLA_VERSION | sed "s|\(^[0-9]*\)\.[0-9]*.*|\1|"` MOZJS_MINOR_VERSION=`echo $MOZILLA_VERSION | sed "s|^[0-9]*\.\([0-9]*\).*|\1|"` MOZJS_PATCH_VERSION=`echo $MOZILLA_VERSION | sed "s|^[0-9]*\.[0-9]*[^0-9]*||"` IS_ALPHA=`echo $MOZILLA_VERSION | grep '[ab]'` dnl XXX in a temporary bid to avoid developer anger at renaming files dnl XXX before "js" symlinks exist, don't change names. dnl dnl if test -n "$JS_STANDALONE"; then dnl JS_SHELL_NAME=js$MOZJS_MAJOR_VERSION dnl JS_CONFIG_NAME=js$MOZJS_MAJOR_VERSION-config dnl else JS_SHELL_NAME=js JS_CONFIG_NAME=js-config dnl fi changequote([,]) if test -n "$IS_ALPHA"; then changequote(,) MOZJS_ALPHA=`echo $MOZILLA_VERSION | sed "s|^[0-9]*\.[0-9\.]*\([^0-9]\).*|\1|"` changequote([,]) fi AC_DEFINE_UNQUOTED(MOZJS_MAJOR_VERSION,$MOZJS_MAJOR_VERSION) AC_DEFINE_UNQUOTED(MOZJS_MINOR_VERSION,$MOZJS_MINOR_VERSION) AC_SUBST(JS_SHELL_NAME) AC_SUBST(JS_CONFIG_NAME) AC_SUBST(MOZJS_MAJOR_VERSION) AC_SUBST(MOZJS_MINOR_VERSION) AC_SUBST(MOZJS_PATCH_VERSION) AC_SUBST(MOZJS_ALPHA) dnl ======================================================== dnl set the defaults first dnl ======================================================== AS_BIN=$AS AR_EXTRACT='$(AR) x' AS='$(CC)' AS_DASH_C_FLAG='-c' MOZ_USER_DIR=".mozilla" MOZ_FIX_LINK_PATHS="-Wl,-rpath-link,${DIST}/bin -Wl,-rpath-link,${prefix}/lib" dnl Configure platform-specific CPU architecture compiler options. dnl ============================================================== MOZ_ARCH_OPTS dnl ======================================================== dnl Android libstdc++, placed here so it can use MOZ_ARCH dnl computed above. dnl ======================================================== MOZ_ANDROID_CPU_ARCH MOZ_ANDROID_STLPORT dnl ======================================================== dnl Suppress Clang Argument Warnings dnl ======================================================== if test -n "${CLANG_CC}${CLANG_CL}"; then _WARNINGS_CFLAGS="-Qunused-arguments ${_WARNINGS_CFLAGS}" CPPFLAGS="-Qunused-arguments ${CPPFLAGS}" fi if test -n "${CLANG_CXX}${CLANG_CL}"; then _WARNINGS_CXXFLAGS="-Qunused-arguments ${_WARNINGS_CXXFLAGS}" fi MOZ_CONFIG_SANITIZE dnl ======================================================== dnl GNU specific defaults dnl ======================================================== if test "$GNU_CC"; then MKSHLIB='$(CXX) $(COMPUTED_CXX_LDFLAGS) $(PGO_CFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -Wl,-h,$(DSO_SONAME) -o $@' MKCSHLIB='$(CC) $(COMPUTED_C_LDFLAGS) $(PGO_CFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -Wl,-h,$(DSO_SONAME) -o $@' DSO_LDOPTS='-shared' if test "$GCC_USE_GNU_LD"; then # Some tools like ASan use a runtime library that is only # linked against executables, so we must allow undefined # symbols for shared objects in some cases. if test -z "$MOZ_NO_WLZDEFS"; then # Don't allow undefined symbols in libraries DSO_LDOPTS="$DSO_LDOPTS -Wl,-z,defs" fi fi WARNINGS_AS_ERRORS='-Werror' DSO_CFLAGS='' DSO_PIC_CFLAGS='-fPIC' ASFLAGS="$ASFLAGS -fPIC" AC_MSG_CHECKING([for --noexecstack option to as]) _SAVE_CFLAGS=$CFLAGS CFLAGS="$CFLAGS -Wa,--noexecstack" AC_TRY_COMPILE(,,AC_MSG_RESULT([yes]) [ASFLAGS="$ASFLAGS -Wa,--noexecstack"], AC_MSG_RESULT([no])) CFLAGS=$_SAVE_CFLAGS AC_MSG_CHECKING([for -z noexecstack option to ld]) _SAVE_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,-z,noexecstack" AC_TRY_LINK(,,AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) LDFLAGS=$_SAVE_LDFLAGS) AC_MSG_CHECKING([for -z text option to ld]) _SAVE_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,-z,text" AC_TRY_LINK(,,AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) LDFLAGS=$_SAVE_LDFLAGS) AC_MSG_CHECKING([for -z relro option to ld]) _SAVE_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,-z,relro" AC_TRY_LINK(,,AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) LDFLAGS=$_SAVE_LDFLAGS) AC_MSG_CHECKING([for --build-id option to ld]) _SAVE_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,--build-id" AC_TRY_LINK(,,AC_MSG_RESULT([yes]), AC_MSG_RESULT([no]) LDFLAGS=$_SAVE_LDFLAGS) _DEFINES_CFLAGS="-include $jsconfdefs -DMOZILLA_CLIENT" _USE_CPP_INCLUDE_FLAG=1 fi if test "$GNU_CXX"; then _DEFINES_CXXFLAGS="-DMOZILLA_CLIENT -include $jsconfdefs" _USE_CPP_INCLUDE_FLAG=1 fi dnl ======================================================== dnl System overrides of the defaults for host dnl ======================================================== case "$host" in *mingw*) if test -n "$_WIN32_MSVC"; then HOST_AR=lib HOST_AR_FLAGS='-NOLOGO -OUT:$@' HOST_CFLAGS="$HOST_CFLAGS -TC -nologo" HOST_RANLIB='echo ranlib' else HOST_CFLAGS="$HOST_CFLAGS -mwindows" fi HOST_CFLAGS="$HOST_CFLAGS -DXP_WIN32 -DXP_WIN -DWIN32 -D_WIN32 -D_CRT_SECURE_NO_WARNINGS" HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}" HOST_BIN_SUFFIX=.exe case "${host_cpu}" in i*86) if test -n "$_WIN32_MSVC"; then HOST_LDFLAGS="$HOST_LDFLAGS -MACHINE:X86" fi ;; x86_64) if test -n "$_WIN32_MSVC"; then HOST_LDFLAGS="$HOST_LDFLAGS -MACHINE:X64" fi HOST_CFLAGS="$HOST_CFLAGS -D_AMD64_" ;; esac ;; *-darwin*) HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX -DXP_MACOSX" HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O3}" ;; *-linux*|*-kfreebsd*-gnu|*-gnu*) HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX" HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O3}" ;; *) HOST_CFLAGS="$HOST_CFLAGS -DXP_UNIX" HOST_OPTIMIZE_FLAGS="${HOST_OPTIMIZE_FLAGS=-O2}" ;; esac MOZ_DOING_LTO(lto_is_enabled) dnl ======================================================== dnl Add optional and non-optional hardening flags from toolchain.configure dnl ======================================================== CFLAGS="$CFLAGS $MOZ_HARDENING_CFLAGS_JS" CPPFLAGS="$CPPFLAGS $MOZ_HARDENING_CFLAGS_JS" CXXFLAGS="$CXXFLAGS $MOZ_HARDENING_CFLAGS_JS" dnl ======================================================== dnl System overrides of the defaults for target dnl ======================================================== case "$target" in *-darwin*) MKSHLIB='$(CXX) $(COMPUTED_CXX_LDFLAGS) $(PGO_CFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -o $@' MKCSHLIB='$(CC) $(COMPUTED_C_LDFLAGS) $(PGO_CFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -o $@' MOZ_OPTIMIZE_FLAGS="-O3 -fno-stack-protector" CFLAGS="$CFLAGS -fno-common" CXXFLAGS="$CXXFLAGS -fno-common -stdlib=libc++" DSO_LDOPTS='' STRIP="$STRIP -x -S" LDFLAGS="$LDFLAGS -lobjc" # The ExceptionHandling framework is needed for Objective-C exception # logging code in nsObjCExceptions.h. Currently we only use that in debug # builds. _SAVE_LDFLAGS=$LDFLAGS AC_MSG_CHECKING([for -framework ExceptionHandling]) LDFLAGS="$LDFLAGS -framework ExceptionHandling" AC_TRY_LINK(,[return 0;], ac_cv_have_framework_exceptionhandling="yes", ac_cv_have_framework_exceptionhandling="no") AC_MSG_RESULT([$ac_cv_have_framework_exceptionhandling]) if test "$ac_cv_have_framework_exceptionhandling" = "yes"; then MOZ_DEBUG_LDFLAGS="$MOZ_DEBUG_LDFLAGS -framework ExceptionHandling"; fi LDFLAGS=$_SAVE_LDFLAGS if test "x$lto_is_enabled" = "xyes"; then echo "Skipping -dead_strip because lto is enabled." dnl DTrace and -dead_strip don't interact well. See bug 403132. dnl =================================================================== elif test "x$enable_dtrace" = "xyes"; then echo "Skipping -dead_strip because DTrace is enabled. See bug 403132." else dnl check for the presence of the -dead_strip linker flag AC_MSG_CHECKING([for -dead_strip option to ld]) _SAVE_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS -Wl,-dead_strip" AC_TRY_LINK(,[return 0;],_HAVE_DEAD_STRIP=1,_HAVE_DEAD_STRIP=) if test -n "$_HAVE_DEAD_STRIP" ; then AC_MSG_RESULT([yes]) MOZ_OPTIMIZE_LDFLAGS="-Wl,-dead_strip" else AC_MSG_RESULT([no]) fi LDFLAGS=$_SAVE_LDFLAGS fi MOZ_FIX_LINK_PATHS="-Wl,-executable_path,${DIST}/bin" ;; *-android*|*-linuxandroid*) AC_DEFINE(NO_PW_GECOS) MOZ_GFX_OPTIMIZE_MOBILE=1 MOZ_OPTIMIZE_FLAGS="-O3" if test -z "$CLANG_CC"; then MOZ_OPTIMIZE_FLAGS="-freorder-blocks -fno-reorder-functions $MOZ_OPTIMIZE_FLAGS" fi ;; *-*linux*) if test "$GNU_CC" -o "$GNU_CXX"; then MOZ_PGO_OPTIMIZE_FLAGS="-O3" MOZ_OPTIMIZE_FLAGS="-O3" if test -z "$CLANG_CC"; then MOZ_OPTIMIZE_FLAGS="-freorder-blocks $MOZ_OPTIMIZE_FLAGS" fi fi case "${target_cpu}" in alpha*) CFLAGS="$CFLAGS -mieee" CXXFLAGS="$CXXFLAGS -mieee" ;; esac ;; *-mingw*) DSO_CFLAGS= DSO_PIC_CFLAGS= RC=rc.exe if test -n "$GNU_CC" -o -n "$CLANG_CC"; then CC="$CC -mwindows" CXX="$CXX -mwindows" CPP="$CPP -mwindows" CFLAGS="$CFLAGS -mms-bitfields" CXXFLAGS="$CXXFLAGS -mms-bitfields" DSO_LDOPTS='-shared' MKSHLIB='$(CXX) $(DSO_LDOPTS) -o $@' MKCSHLIB='$(CC) $(DSO_LDOPTS) -o $@' RC='$(WINDRES)' # Use static libgcc and libstdc++ LDFLAGS="$LDFLAGS -static" # Use temp file for windres (bug 213281) RCFLAGS='-O coff --use-temp-file' # mingw doesn't require kernel32, user32, and advapi32 explicitly LIBS="$LIBS -lgdi32 -lwinmm -lwsock32" MOZ_FIX_LINK_PATHS= WIN32_CONSOLE_EXE_LDFLAGS=-mconsole WIN32_GUI_EXE_LDFLAGS=-mwindows else TARGET_COMPILER_ABI=msvc HOST_CC='$(CC)' HOST_CXX='$(CXX)' if test "$AS_BIN"; then AS="$(basename "$AS_BIN")" fi AR='lib' AR_FLAGS='-NOLOGO -OUT:$@' AR_EXTRACT= RANLIB='echo not_ranlib' STRIP='echo not_strip' PKG_SKIP_STRIP=1 MKSHLIB='$(LINKER) -NOLOGO -DLL -OUT:$@ -PDB:$(LINK_PDBFILE) $(DSO_LDOPTS)' MKCSHLIB='$(LINKER) -NOLOGO -DLL -OUT:$@ -PDB:$(LINK_PDBFILE) $(DSO_LDOPTS)' WIN32_SUBSYSTEM_VERSION=6.01 WIN32_CONSOLE_EXE_LDFLAGS=-SUBSYSTEM:CONSOLE,$WIN32_SUBSYSTEM_VERSION WIN32_GUI_EXE_LDFLAGS=-SUBSYSTEM:WINDOWS,$WIN32_SUBSYSTEM_VERSION DSO_LDOPTS=-SUBSYSTEM:WINDOWS,$WIN32_SUBSYSTEM_VERSION _USE_CPP_INCLUDE_FLAG=1 _DEFINES_CFLAGS="-FI $jsconfdefs -DMOZILLA_CLIENT" _DEFINES_CXXFLAGS="-FI $jsconfdefs -DMOZILLA_CLIENT" CFLAGS="$CFLAGS -W3 -Gy -Zc:inline" CXXFLAGS="$CXXFLAGS -W3 -Gy -Zc:inline" if test "$CPU_ARCH" = "x86";then dnl VS2012+ defaults to -arch:SSE2. We want to target nothing dnl more recent, so set that explicitly here unless another dnl target arch has already been set. changequote(,) if test -z `echo $CFLAGS | grep -i [-/]arch:` ; then CFLAGS="$CFLAGS -arch:SSE2" fi if test -z `echo $CXXFLAGS | grep -i [-/]arch:` ; then CXXFLAGS="$CXXFLAGS -arch:SSE2" fi changequote([,]) fi dnl VS2013+ supports -Gw for better linker optimizations. dnl http://blogs.msdn.com/b/vcblog/archive/2013/09/11/introducing-gw-compiler-switch.aspx dnl Disabled on ASan because it causes false-positive ODR violations. if test -z "$MOZ_ASAN"; then CFLAGS="$CFLAGS -Gw" CXXFLAGS="$CXXFLAGS -Gw" fi # khuey says we can safely ignore MSVC warning C4251 # MSVC warning C4244 (implicit type conversion may lose data) warns # and requires workarounds for perfectly valid code. Also, GCC/clang # don't warn about it by default. So for consistency/sanity, we turn # it off on MSVC, too. # MSVC warning C4267 warns for narrowing type conversions from size_t # to 32-bit integer types on 64-bit platforms. Since this is virtually # the same thing as C4244, we disable C4267, too. CFLAGS="$CFLAGS -wd4244 -wd4267" CXXFLAGS="$CXXFLAGS -wd4244 -wd4267 -wd4251" if test -n "$CLANG_CL"; then # XXX We should combine some of these with our generic GCC-style # warning checks. # # Suppress the clang-cl warning for the inline 'new' and 'delete' in mozalloc CXXFLAGS="$CXXFLAGS -Wno-inline-new-delete" # We use offsetof on non-POD objects all the time. # We also suppress this warning on other platforms. CXXFLAGS="$CXXFLAGS -Wno-invalid-offsetof" # This warns for reasonable things like: # enum { X = 0xffffffffU }; # which is annoying for IDL headers. CXXFLAGS="$CXXFLAGS -Wno-microsoft-enum-value" # This warns for cases that would be reached by the Microsoft # #include rules, but also currently warns on cases that would # *also* be reached by standard C++ include rules. That # behavior doesn't seem useful, so we turn it off. CXXFLAGS="$CXXFLAGS -Wno-microsoft-include" # We normally error out on unknown pragmas, but since clang-cl # claims to be MSVC, it would be difficult to add # #if defined(_MSC_VER) && !defined(__clang__) everywhere we # use such pragmas, so just ignore them. CFLAGS="$CFLAGS -Wno-unknown-pragmas" CXXFLAGS="$CXXFLAGS -Wno-unknown-pragmas" # We get errors about various #pragma intrinsic directives from # clang-cl, and we don't need to hear about those. CFLAGS="$CFLAGS -Wno-ignored-pragmas" CXXFLAGS="$CXXFLAGS -Wno-ignored-pragmas" # clang-cl's Intrin.h marks things like _ReadWriteBarrier # as __attribute((__deprecated__)). This is nice to know, # but since we don't get the equivalent warning from MSVC, # let's just ignore it. CFLAGS="$CFLAGS -Wno-deprecated-declarations" CXXFLAGS="$CXXFLAGS -Wno-deprecated-declarations" # We use a function like: # __declspec(noreturn) __inline void f() {} # which -Winvalid-noreturn complains about. Again, MSVC seems # OK with it, so let's silence the warning. CFLAGS="$CFLAGS -Wno-invalid-noreturn" CXXFLAGS="$CXXFLAGS -Wno-invalid-noreturn" # Missing |override| on virtual function declarations isn't # something that MSVC currently warns about. CXXFLAGS="$CXXFLAGS -Wno-inconsistent-missing-override" # We use -DHAS_EXCEPTIONS=0, which removes the |throw()| # declaration on |operator delete(void*)|. However, clang-cl # must internally declare |operator delete(void*)| differently, # which causes this warning for virtually every file in the # tree. clang-cl doesn't support -fno-exceptions or equivalent, # so there doesn't seem to be any way to convince clang-cl to # declare |delete| differently. Therefore, suppress this # warning. CXXFLAGS="$CXXFLAGS -Wno-implicit-exception-spec-mismatch" # At least one MSVC header and several headers in-tree have # unused typedefs, so turn this on. CXXFLAGS="$CXXFLAGS -Wno-unused-local-typedef" # jemalloc uses __declspec(allocator) as a profiler hint, # which clang-cl doesn't understand. CXXFLAGS="$CXXFLAGS -Wno-ignored-attributes" fi # make 'foo == bar;' error out CFLAGS="$CFLAGS -we4553" CXXFLAGS="$CXXFLAGS -we4553" LIBS="$LIBS kernel32.lib user32.lib gdi32.lib winmm.lib wsock32.lib advapi32.lib" MOZ_DEBUG_LDFLAGS='-DEBUG -DEBUGTYPE:CV' WARNINGS_AS_ERRORS='-WX' MOZ_OPTIMIZE_FLAGS="-O2" MOZ_FIX_LINK_PATHS= LDFLAGS="$LDFLAGS -LARGEADDRESSAWARE -NXCOMPAT" if test -z "$DEVELOPER_OPTIONS"; then LDFLAGS="$LDFLAGS -RELEASE" fi LDFLAGS="$LDFLAGS -DYNAMICBASE" RCFLAGS="-nologo" fi AC_DEFINE(HAVE__MSIZE) AC_DEFINE(WIN32_LEAN_AND_MEAN) dnl See http://support.microsoft.com/kb/143208 to use STL AC_DEFINE(NOMINMAX) BIN_SUFFIX='.exe' MOZ_USER_DIR="Mozilla" case "$host_os" in cygwin*|msvc*|mks*) AC_MSG_ERROR([Using a Cygwin build environment is unsupported. Configure cannot check for presence of necessary headers. Please upgrade to MozillaBuild; see https://developer.mozilla.org/en/Windows_Build_Prerequisites.]) ;; esac case "$target" in i*86-*) if test -n "$GNU_CC"; then CFLAGS="$CFLAGS -mstackrealign -fno-keep-inline-dllexport" CXXFLAGS="$CXXFLAGS -mstackrealign -fno-keep-inline-dllexport" LDFLAGS="$LDFLAGS -Wl,--large-address-aware" else DSO_LDOPTS="$DSO_LDOPTS -MACHINE:X86" LDFLAGS="$LDFLAGS -SAFESEH" fi AC_DEFINE(_X86_) ;; x86_64-*) if test -n "$_WIN32_MSVC"; then DSO_LDOPTS="$DSO_LDOPTS -MACHINE:X64" fi AC_DEFINE(_AMD64_) ;; *) AC_DEFINE(_CPU_ARCH_NOT_DEFINED) ;; esac ;; *-netbsd*) DSO_CFLAGS='' CFLAGS="$CFLAGS -Dunix" CXXFLAGS="$CXXFLAGS -Dunix" if $CC -E - -dM /dev/null; then DSO_PIC_CFLAGS='-fPIC -DPIC' DSO_LDOPTS='-shared' MOZ_PROGRAM_LDFLAGS="$MOZ_PROGRAM_LDFLAGS -Wl,--export-dynamic" else DSO_PIC_CFLAGS='-fPIC -DPIC' DSO_LDOPTS='-shared' fi # This will fail on a.out systems prior to 1.5.1_ALPHA. if test "$LIBRUNPATH"; then DSO_LDOPTS="-Wl,-R$LIBRUNPATH $DSO_LDOPTS" fi MKSHLIB='$(CXX) $(COMPUTED_CXX_LDFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -Wl,-soname,$(DSO_SONAME) -o $@' MKCSHLIB='$(CC) $(COMPUTED_C_LDFLAGS) $(DSO_PIC_CFLAGS) $(DSO_LDOPTS) -Wl,-soname,$(DSO_SONAME) -o $@' ;; *-openbsd*) DSO_CFLAGS='' DSO_PIC_CFLAGS='-fPIC' DSO_LDOPTS='-shared -fPIC' if test "$LIBRUNPATH"; then DSO_LDOPTS="-R$LIBRUNPATH $DSO_LDOPTS" fi ;; *-solaris*) MOZ_FIX_LINK_PATHS="-L${DIST}/bin" ;; esac if test -z "$MOZ_OPTIMIZE_FLAGS"; then MOZ_OPTIMIZE_FLAGS="-O" fi if test -z "$COMPILE_ENVIRONMENT"; then SKIP_COMPILER_CHECKS=1 SKIP_LIBRARY_CHECKS=1 fi if test -n "$COMPILE_ENVIRONMENT"; then MOZ_COMPILER_OPTS fi if test -z "$SKIP_COMPILER_CHECKS"; then dnl Checks for typedefs, structures, and compiler characteristics. dnl ======================================================== AC_C_CONST AC_TYPE_MODE_T AC_TYPE_OFF_T AC_TYPE_PID_T AC_TYPE_SIZE_T AC_LANG_CPLUSPLUS AC_LANG_C AC_MSG_CHECKING(for ssize_t) AC_CACHE_VAL(ac_cv_type_ssize_t, [AC_TRY_COMPILE([#include #include ], [ssize_t foo = 0;], [ac_cv_type_ssize_t=true], [ac_cv_type_ssize_t=false])]) if test "$ac_cv_type_ssize_t" = true ; then AC_DEFINE(HAVE_SSIZE_T) AC_MSG_RESULT(yes) else AC_MSG_RESULT(no) fi AC_LANG_CPLUSPLUS MOZ_CXX11 case "${OS_TARGET}" in WINNT|Darwin|Android) ;; *) STL_FLAGS="-I${DIST}/stl_wrappers" WRAP_STL_INCLUDES=1 ;; esac dnl Checks for header files. dnl ======================================================== AC_HEADER_DIRENT case "$target_os" in freebsd*) # for stuff like -lXshm CPPFLAGS="${CPPFLAGS} ${X_CFLAGS}" ;; esac MOZ_ARG_ENABLE_BOOL(dtrace, [ --enable-dtrace build with dtrace support if available (default=no)], [enable_dtrace="yes"],) if test "x$enable_dtrace" = "xyes"; then MOZ_CHECK_HEADER(sys/sdt.h, HAVE_DTRACE=1) if test -n "$HAVE_DTRACE"; then AC_DEFINE(INCLUDE_MOZILLA_DTRACE) else AC_MSG_ERROR([dtrace enabled but sys/sdt.h not found]); fi fi AC_SUBST(HAVE_DTRACE) dnl Checks for libraries. dnl ======================================================== AC_CHECK_LIB(c_r, gethostbyname_r) dnl We don't want to link with libdl even if it's present on OS X, since dnl it's not used and not part of the default installation. OS/2 has dlfcn dnl in libc. dnl We don't want to link against libm or libpthread on Darwin since dnl they both are just symlinks to libSystem and explicitly linking dnl against libSystem causes issues when debugging (see bug 299601). case $target in *-darwin*) ;; *) AC_SEARCH_LIBS(dlopen, dl, MOZ_CHECK_HEADER(dlfcn.h, AC_DEFINE(HAVE_DLOPEN))) ;; esac if test ! "$GNU_CXX"; then AC_CHECK_LIB(C, demangle) fi AC_CHECK_LIB(socket, socket) dnl ======================================================== dnl = pthread support dnl = Start by checking whether the system support pthreads dnl ======================================================== case "$target_os" in darwin*) USE_PTHREADS=1 ;; *) AC_CHECK_LIB(pthreads, pthread_create, USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthreads", AC_CHECK_LIB(pthread, pthread_create, USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthread", AC_CHECK_LIB(c_r, pthread_create, USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lc_r", AC_CHECK_LIB(c, pthread_create, USE_PTHREADS=1 ) ) ) ) ;; esac dnl ======================================================== dnl Check the command line for --with-pthreads dnl ======================================================== MOZ_ARG_WITH_BOOL(pthreads, [ --with-pthreads Force use of system pthread library with NSPR ], [ if test "$USE_PTHREADS"x = x; then AC_MSG_ERROR([ --with-pthreads specified for a system without pthread support ]); fi], USE_PTHREADS= _PTHREAD_LDFLAGS= ) dnl ======================================================== dnl Do the platform specific pthread hackery dnl ======================================================== if test "$USE_PTHREADS"x != x then dnl dnl See if -pthread is supported. dnl rm -f conftest* ac_cv_have_dash_pthread=no AC_MSG_CHECKING(whether ${CC-cc} accepts -pthread) echo 'int main() { return 0; }' | cat > conftest.c ${CC-cc} -pthread -o conftest conftest.c > conftest.out 2>&1 if test $? -eq 0; then if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthread`" -a -z "`egrep -i '(error|incorrect)' conftest.out`" ; then ac_cv_have_dash_pthread=yes case "$target_os" in freebsd*) # Freebsd doesn't use -pthread for compiles, it uses them for linking ;; *) CFLAGS="$CFLAGS -pthread" CXXFLAGS="$CXXFLAGS -pthread" ;; esac fi fi rm -f conftest* AC_MSG_RESULT($ac_cv_have_dash_pthread) dnl dnl See if -pthreads is supported. dnl ac_cv_have_dash_pthreads=no if test "$ac_cv_have_dash_pthread" = "no"; then AC_MSG_CHECKING(whether ${CC-cc} accepts -pthreads) echo 'int main() { return 0; }' | cat > conftest.c ${CC-cc} -pthreads -o conftest conftest.c > conftest.out 2>&1 if test $? -eq 0; then if test -z "`egrep -i '(unrecognize|unknown)' conftest.out | grep pthreads`" -a -z "`egrep -i '(error|incorrect)' conftest.out`" ; then ac_cv_have_dash_pthreads=yes CFLAGS="$CFLAGS -pthreads" CXXFLAGS="$CXXFLAGS -pthreads" fi fi rm -f conftest* AC_MSG_RESULT($ac_cv_have_dash_pthreads) fi case "$target" in *-*-freebsd*) AC_DEFINE(_REENTRANT) AC_DEFINE(_THREAD_SAFE) dnl -pthread links in -lpthread, so don't specify it explicitly. if test "$ac_cv_have_dash_pthread" = "yes"; then _PTHREAD_LDFLAGS="-pthread" fi ;; *-*-openbsd*|*-*-bsdi*) AC_DEFINE(_REENTRANT) AC_DEFINE(_THREAD_SAFE) dnl -pthread links in -lc_r, so don't specify it explicitly. if test "$ac_cv_have_dash_pthread" = "yes"; then _PTHREAD_LDFLAGS="-pthread" fi ;; *-*-linux*|*-*-kfreebsd*-gnu|*-*-gnu*) AC_DEFINE(_REENTRANT) ;; esac LDFLAGS="${_PTHREAD_LDFLAGS} ${LDFLAGS}" fi dnl Checks for library functions. dnl ======================================================== AC_PROG_GCC_TRADITIONAL AC_FUNC_MEMCMP AC_CHECK_FUNCS([getc_unlocked _getc_nolock gmtime_r localtime_r pthread_getname_np]) dnl check for clock_gettime(), the CLOCK_MONOTONIC clock dnl avoid this on Darwin, since depending on your system config, we may think dnl it exists but it really doesn't case "$OS_TARGET" in Darwin) ;; *) AC_CACHE_CHECK(for clock_gettime(CLOCK_MONOTONIC), ac_cv_clock_monotonic, [for libs in "" -lrt; do _SAVE_LIBS="$LIBS" LIBS="$LIBS $libs" AC_TRY_LINK([#include ], [ struct timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts); ], ac_cv_clock_monotonic=$libs LIBS="$_SAVE_LIBS" break, ac_cv_clock_monotonic=no) LIBS="$_SAVE_LIBS" done]) if test "$ac_cv_clock_monotonic" != "no"; then HAVE_CLOCK_MONOTONIC=1 REALTIME_LIBS=$ac_cv_clock_monotonic AC_DEFINE(HAVE_CLOCK_MONOTONIC) AC_SUBST(HAVE_CLOCK_MONOTONIC) AC_SUBST_LIST(REALTIME_LIBS) fi ;; esac dnl Checks for math functions. dnl ======================================================== AC_CHECK_LIB(m, sin) AC_CHECK_LIB(m, sincos, AC_DEFINE(HAVE_SINCOS)) AC_CHECK_LIB(m, __sincos, AC_DEFINE(HAVE___SINCOS)) dnl check for wcrtomb/mbrtowc dnl ======================================================================= if test -z "$MACOS_DEPLOYMENT_TARGET" || test "$MACOS_DEPLOYMENT_TARGET" -ge "100300"; then AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_CACHE_CHECK(for wcrtomb, ac_cv_have_wcrtomb, [AC_TRY_LINK([#include ], [mbstate_t ps={0};wcrtomb(0,'f',&ps);], ac_cv_have_wcrtomb="yes", ac_cv_have_wcrtomb="no")]) if test "$ac_cv_have_wcrtomb" = "yes"; then AC_DEFINE(HAVE_WCRTOMB) fi AC_CACHE_CHECK(for mbrtowc, ac_cv_have_mbrtowc, [AC_TRY_LINK([#include ], [mbstate_t ps={0};mbrtowc(0,0,0,&ps);], ac_cv_have_mbrtowc="yes", ac_cv_have_mbrtowc="no")]) if test "$ac_cv_have_mbrtowc" = "yes"; then AC_DEFINE(HAVE_MBRTOWC) fi AC_LANG_RESTORE fi AC_CACHE_CHECK( [for res_ninit()], ac_cv_func_res_ninit, [if test "$OS_TARGET" = NetBSD -o "$OS_TARGET" = OpenBSD; then dnl no need for res_ninit() on NetBSD and OpenBSD ac_cv_func_res_ninit=no else AC_TRY_LINK([ #ifdef linux #define _BSD_SOURCE 1 #endif #include #include #include #include ], [int foo = res_ninit(&_res);], [ac_cv_func_res_ninit=yes], [ac_cv_func_res_ninit=no]) fi ]) if test "$ac_cv_func_res_ninit" = "yes"; then AC_DEFINE(HAVE_RES_NINIT) dnl must add the link line we do something as foolish as this... dougt dnl else dnl AC_CHECK_LIB(bind, res_ninit, AC_DEFINE(HAVE_RES_NINIT), dnl AC_CHECK_LIB(resolv, res_ninit, AC_DEFINE(HAVE_RES_NINIT))) fi AM_LANGINFO_CODESET AC_LANG_C dnl ********************** dnl *** va_copy checks *** dnl ********************** AC_CACHE_CHECK([for an implementation of va_copy()], ac_cv_va_copy, [AC_TRY_COMPILE([#include #include void f (int i, ...) { va_list args1, args2; va_start (args1, i); va_copy (args2, args1); if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42) exit (1); va_end (args1); va_end (args2); }], [f(0, 42); return 0], [ac_cv_va_copy=yes], [ac_cv_va_copy=no] )] ) AC_CACHE_CHECK([whether va_list can be copied by value], ac_cv_va_val_copy, [AC_TRY_COMPILE([#include #include void f (int i, ...) { va_list args1, args2; va_start (args1, i); args2 = args1; if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42) exit (1); va_end (args1); va_end (args2); }], [f(0, 42); return 0], [ac_cv_va_val_copy=yes], [ac_cv_va_val_copy=no], )] ) if test "x$ac_cv_va_copy" = "xyes"; then AC_DEFINE(VA_COPY, va_copy) AC_DEFINE(HAVE_VA_COPY) fi if test "x$ac_cv_va_val_copy" = "xno"; then AC_DEFINE(HAVE_VA_LIST_AS_ARRAY) fi dnl =================================================================== dnl ======================================================== dnl Put your C++ language/feature checks below dnl ======================================================== AC_LANG_CPLUSPLUS ARM_ABI_PREFIX= if test "$GNU_CC"; then if test "$CPU_ARCH" = "arm" ; then AC_CACHE_CHECK(for ARM EABI, ac_cv_gcc_arm_eabi, [AC_TRY_COMPILE([], [ #if defined(__ARM_EABI__) return 0; #else #error Not ARM EABI. #endif ], ac_cv_gcc_arm_eabi="yes", ac_cv_gcc_arm_eabi="no")]) if test "$ac_cv_gcc_arm_eabi" = "yes"; then HAVE_ARM_EABI=1 ARM_ABI_PREFIX=eabi- else ARM_ABI_PREFIX=oabi- fi fi TARGET_COMPILER_ABI="${TARGET_COMPILER_ABI-${ARM_ABI_PREFIX}gcc3}" fi dnl See if a dynamic_cast to void* gives the most derived object. AC_CACHE_CHECK(for C++ dynamic_cast to void*, ac_cv_cpp_dynamic_cast_void_ptr, [AC_TRY_RUN([class X { int i; public: virtual ~X() { } }; class Y { int j; public: virtual ~Y() { } }; class Z : public X, public Y { int k; }; int main() { Z mdo; X *subx = (X*)&mdo; Y *suby = (Y*)&mdo; return !((((void*)&mdo != (void*)subx) && ((void*)&mdo == dynamic_cast(subx))) || (((void*)&mdo != (void*)suby) && ((void*)&mdo == dynamic_cast(suby)))); }], ac_cv_cpp_dynamic_cast_void_ptr=yes, ac_cv_cpp_dynamic_cast_void_ptr=no, ac_cv_cpp_dynamic_cast_void_ptr=no)]) if test "$ac_cv_cpp_dynamic_cast_void_ptr" = yes ; then AC_DEFINE(HAVE_CPP_DYNAMIC_CAST_TO_VOID_PTR) fi # try harder, when checking for __thread support, see bug 521750 comment #33 and below # We pass MOZ_OPTIMIZE_LDFLAGS to the linker because if dead_strip is # enabled, the linker in xcode 4.1 will crash. Without this it would crash when # linking XUL. _SAVE_LDFLAGS=$LDFLAGS LDFLAGS="$LDFLAGS $DSO_PIC_CFLAGS $DSO_LDOPTS $MOZ_OPTIMIZE_LDFLAGS" AC_CACHE_CHECK(for __thread keyword for TLS variables, ac_cv_thread_keyword, [AC_TRY_LINK([__thread bool tlsIsMainThread = false;], [return tlsIsMainThread;], ac_cv_thread_keyword=yes, ac_cv_thread_keyword=no)]) LDFLAGS=$_SAVE_LDFLAGS if test "$ac_cv_thread_keyword" = yes; then # mips builds fail with TLS variables because of a binutils bug. # See bug 528687 case "${target}" in mips*-*) : ;; *-android*|*-linuxandroid*) : ;; *) AC_DEFINE(HAVE_THREAD_TLS_KEYWORD) ;; esac fi dnl End of C++ language/feature checks AC_LANG_C dnl ======================================================== dnl = Internationalization checks dnl ======================================================== dnl dnl Internationalization and Locale support is different dnl on various UNIX platforms. Checks for specific i18n dnl features go here. AC_HAVE_FUNCS(localeconv) fi # ! SKIP_COMPILER_CHECKS TARGET_XPCOM_ABI= if test -n "${CPU_ARCH}" -a -n "${TARGET_COMPILER_ABI}"; then TARGET_XPCOM_ABI="${CPU_ARCH}-${TARGET_COMPILER_ABI}" fi dnl We can't run TRY_COMPILE tests on Windows, so hard-code some dnl features that Windows actually does support. if test -n "$SKIP_COMPILER_CHECKS"; then dnl Windows has malloc.h AC_DEFINE(MALLOC_H, []) AC_DEFINE(HAVE_FORCEINLINE) AC_DEFINE(HAVE_LOCALECONV) fi # SKIP_COMPILER_CHECKS dnl Mozilla specific options dnl ======================================================== dnl The macros used for command line options dnl are defined in build/autoconf/altoptions.m4. dnl ======================================================== dnl = dnl = Check for external package dependencies dnl = dnl ======================================================== MOZ_ARG_HEADER(External Packages) MOZ_CONFIG_NSPR(js) dnl ======================================================== dnl system zlib Support dnl ======================================================== dnl Standalone js defaults to system zlib if test -n "$JS_STANDALONE"; then ZLIB_DIR=yes fi MOZ_ZLIB_CHECK([1.2.3]) if test -n "$ZLIB_IN_MOZGLUE"; then AC_DEFINE(ZLIB_IN_MOZGLUE) fi AC_SUBST(ZLIB_IN_MOZGLUE) dnl ======================================================== dnl = dnl = Application dnl = dnl ======================================================== MOZ_ARG_HEADER(Application) dnl ======================================================== dnl = dnl = Components & Features dnl = dnl ======================================================== MOZ_ARG_HEADER(Components and Features) dnl ======================================================== dnl = dnl = Module specific options dnl = dnl ======================================================== MOZ_ARG_HEADER(Individual module options) dnl ======================================================== dnl = dnl = Debugging Options dnl = dnl ======================================================== MOZ_ARG_HEADER(Debugging and Optimizations) dnl ======================================================== dnl = Enable code optimization. ON by default. dnl ======================================================== # Use value from moz.configure if one is defined. Else use our computed # value. if test -n "${MOZ_CONFIGURE_OPTIMIZE_FLAGS}"; then MOZ_OPTIMIZE_FLAGS=${MOZ_CONFIGURE_OPTIMIZE_FLAGS} fi MOZ_SET_FRAMEPTR_FLAGS if test "$COMPILE_ENVIRONMENT"; then if test -n "$MOZ_OPTIMIZE"; then AC_MSG_CHECKING([for valid optimization flags]) _SAVE_CFLAGS=$CFLAGS CFLAGS="$CFLAGS $MOZ_OPTIMIZE_FLAGS" AC_TRY_COMPILE([#include ], [printf("Hello World\n");], _results=yes, _results=no) AC_MSG_RESULT([$_results]) if test "$_results" = "no"; then AC_MSG_ERROR([These compiler flags are invalid: $MOZ_OPTIMIZE_FLAGS]) fi CFLAGS=$_SAVE_CFLAGS fi fi # COMPILE_ENVIRONMENT AC_SUBST_LIST(MOZ_FRAMEPTR_FLAGS) AC_SUBST_LIST(MOZ_OPTIMIZE_FLAGS) AC_SUBST_LIST(MOZ_OPTIMIZE_LDFLAGS) AC_SUBST_LIST(MOZ_PGO_OPTIMIZE_FLAGS) dnl ======================================================== dnl = Disable treating compiler warnings as errors dnl ======================================================== if test -z "$MOZ_ENABLE_WARNINGS_AS_ERRORS"; then WARNINGS_AS_ERRORS='' fi dnl ======================================================== dnl = Enable jemalloc dnl ======================================================== if test "$JS_STANDALONE" -a -z "$MOZ_MEMORY"; then MOZ_GLUE_IN_PROGRAM= else case "${OS_TARGET}" in Android|WINNT|Darwin) MOZ_GLUE_IN_PROGRAM= ;; *) dnl On !Android !Windows !OSX, we only want to link executables against mozglue MOZ_GLUE_IN_PROGRAM=1 AC_DEFINE(MOZ_GLUE_IN_PROGRAM) ;; esac fi if test "$MOZ_MEMORY"; then dnl The generic feature tests that determine how to compute ncpus are long and dnl complicated. Therefore, simply define special cpp variables for the dnl platforms we have special knowledge of. case "${target}" in *-mingw*) export MOZ_NO_DEBUG_RTL=1 ;; esac fi AC_SUBST(MOZ_GLUE_IN_PROGRAM) AC_SUBST_LIST(MOZ_GLUE_WRAP_LDFLAGS) dnl ======================================================== dnl = Use Valgrind dnl ======================================================== MOZ_ARG_ENABLE_BOOL(valgrind, [ --enable-valgrind Enable Valgrind integration hooks (default=no)], MOZ_VALGRIND=1, MOZ_VALGRIND= ) if test -n "$MOZ_VALGRIND"; then MOZ_CHECK_HEADER([valgrind/valgrind.h], [], AC_MSG_ERROR( [--enable-valgrind specified but Valgrind is not installed])) AC_DEFINE(MOZ_VALGRIND) MOZ_VALGRIND=1 fi AC_SUBST(MOZ_VALGRIND) dnl ======================================================== dnl instruments dnl ======================================================== if test -n "$MOZ_INSTRUMENTS"; then LIBS="$LIBS -framework CoreFoundation" fi dnl ======================================================== dnl Debug (see Bug 939505) dnl ======================================================== if test -n "$MOZ_DEBUG"; then AC_DEFINE(JS_DEBUG) fi dnl ======================================================== dnl Enable breakpoint for artificial OOMs dnl ======================================================== MOZ_ARG_ENABLE_BOOL(oom-breakpoint, [ --enable-oom-breakpoint Enable a breakpoint function for artificial OOMs], JS_OOM_BREAKPOINT=1, JS_OOM_BREAKPOINT= ) if test -n "$JS_OOM_BREAKPOINT"; then AC_DEFINE(JS_OOM_BREAKPOINT) fi dnl ======================================================== dnl = Enable using the clang plugin to build dnl ======================================================== if test -n "$COMPILE_ENVIRONMENT"; then MOZ_CONFIG_CLANG_PLUGIN fi # COMPILE_ENVIRONMENT dnl ======================================================== dnl = Enable static checking using sixgill dnl ======================================================== MOZ_ARG_WITH_STRING(sixgill, [ --with-sixgill=path/to/sixgill Enable static checking of code using sixgill], SIXGILL_PATH=$withval, SIXGILL_PATH= ) if test -n "$SIXGILL_PATH"; then if test ! -x "$SIXGILL_PATH/bin/xdbfind" || test ! -f "$SIXGILL_PATH/gcc/xgill.so" || test ! -x "$SIXGILL_PATH/scripts/wrap_gcc/g++"; then AC_MSG_ERROR([The sixgill plugin and binaries are not at the specified path.]) fi fi AC_SUBST(SIXGILL_PATH) dnl ======================================================== dnl = Enable stripping of libs & executables dnl ======================================================== MOZ_ARG_ENABLE_BOOL(strip, [ --enable-strip Enable stripping of libs & executables ], ENABLE_STRIP=1, ENABLE_STRIP= ) dnl ======================================================== dnl = Enable stripping of libs & executables when packaging dnl ======================================================== MOZ_ARG_ENABLE_BOOL(install-strip, [ --enable-install-strip Enable stripping of libs & executables when packaging ], PKG_SKIP_STRIP= , PKG_SKIP_STRIP=1) dnl ======================================================== dnl = dnl = Profiling and Instrumenting dnl = dnl ======================================================== MOZ_ARG_HEADER(Profiling and Instrumenting) dnl ======================================================== dnl = Support for demangling undefined symbols dnl ======================================================== if test -z "$SKIP_LIBRARY_CHECKS"; then AC_LANG_SAVE AC_LANG_CPLUSPLUS AC_CHECK_FUNCS(__cxa_demangle, HAVE_DEMANGLE=1, HAVE_DEMANGLE=) AC_LANG_RESTORE fi dnl ======================================================== dnl JIT observers dnl ======================================================== MOZ_ARG_WITH_STRING(jitreport-granularity, [ --jitreport-granularity=N Default granularity at which to report JIT code to external tools 0 - no info 1 - code ranges for whole functions only 2 - per-line information 3 - per-op information], JITREPORT_GRANULARITY=$withval, JITREPORT_GRANULARITY=3) AC_DEFINE_UNQUOTED(JS_DEFAULT_JITREPORT_GRANULARITY, $JITREPORT_GRANULARITY) dnl ======================================================== dnl = dnl = Misc. Options dnl = dnl ======================================================== MOZ_ARG_HEADER(Misc. Options) if test -z "$SKIP_COMPILER_CHECKS"; then dnl ======================================================== dnl = dnl = Compiler Options dnl = dnl ======================================================== MOZ_ARG_HEADER(Compiler Options) dnl ======================================================== dnl Check for gcc -pipe support dnl ======================================================== AC_MSG_CHECKING([for -pipe support]) if test -n "$GNU_CC" -a -n "$GNU_CXX"; then dnl Any gcc that supports firefox supports -pipe. CFLAGS="$CFLAGS -pipe" CXXFLAGS="$CXXFLAGS -pipe" AC_MSG_RESULT([yes]) else AC_MSG_RESULT([no]) fi AC_LANG_CPLUSPLUS dnl ======================================================== dnl Check for tm_zone, tm_gmtoff in struct tm dnl ======================================================== AC_CACHE_CHECK(for tm_zone tm_gmtoff in struct tm, ac_cv_struct_tm_zone_tm_gmtoff, [AC_TRY_COMPILE([#include ], [struct tm tm; tm.tm_zone = 0; tm.tm_gmtoff = 1;], [ac_cv_struct_tm_zone_tm_gmtoff="yes"], [ac_cv_struct_tm_zone_tm_gmtoff="no"])]) if test "$ac_cv_struct_tm_zone_tm_gmtoff" = "yes" ; then AC_DEFINE(HAVE_TM_ZONE_TM_GMTOFF) fi fi # ! SKIP_COMPILER_CHECKS AC_DEFINE(CPP_THROW_NEW, [throw()]) AC_LANG_C MOZ_EXPAND_LIBS dnl ======================================================== dnl = dnl = Build depencency options dnl = dnl ======================================================== MOZ_ARG_HEADER(Build dependencies) if test "$GNU_CC" -a "$GNU_CXX"; then _DEPEND_CFLAGS='-MD -MP -MF $(MDDEPDIR)/$(@F).pp' else dnl Don't override this for MSVC if test -z "$_WIN32_MSVC"; then _USE_CPP_INCLUDE_FLAG= _DEFINES_CFLAGS='$(ACDEFINES) -D_JS_CONFDEFS_H_ -DMOZILLA_CLIENT' _DEFINES_CXXFLAGS='$(ACDEFINES) -D_JS_CONFDEFS_H_ -DMOZILLA_CLIENT' else echo '#include ' > dummy-hello.c changequote(,) dnl This output is localized, split at the first double space or colon and space. _CL_PREFIX_REGEX="^\([^:]*:.*[ :] \)\(.*\\\stdio.h\)$" CL_INCLUDES_PREFIX=`${CC} -showIncludes -c -Fonul dummy-hello.c 2>&1 | sed -ne 's/'"$_CL_PREFIX_REGEX"'/\1/p'` _CL_STDIO_PATH=`${CC} -showIncludes -c -Fonul dummy-hello.c 2>&1 | sed -ne 's/'"$_CL_PREFIX_REGEX"'/\2/p'` changequote([,]) if ! test -e "$_CL_STDIO_PATH"; then AC_MSG_ERROR([Unable to parse cl -showIncludes prefix. This compiler's locale has an unsupported formatting.]) fi if test -z "$CL_INCLUDES_PREFIX"; then AC_MSG_ERROR([Cannot find cl -showIncludes prefix.]) fi AC_SUBST(CL_INCLUDES_PREFIX) rm -f dummy-hello.c dnl Make sure that the build system can handle non-ASCII characters dnl in environment variables to prevent it from breaking silently on dnl non-English systems. NONASCII=$'\241\241' AC_SUBST(NONASCII) fi fi dnl ======================================================== dnl = Link js shell to system readline dnl ======================================================== MOZ_ARG_ENABLE_BOOL(readline, [ --enable-readline Link js shell to system readline library], JS_WANT_READLINE=1, JS_WANT_READLINE= ) JS_BUNDLED_EDITLINE= EDITLINE_LIBS= case "$target" in *-mingw*) NO_EDITLINE=1 ;; *) ;; esac if test -z "$SKIP_LIBRARY_CHECKS" -a -z "$NO_EDITLINE"; then if test -n "$JS_WANT_READLINE"; then AC_CHECK_LIB(readline, readline, EDITLINE_LIBS="-lreadline", AC_MSG_ERROR([No system readline library found.])) else dnl By default, we use editline JS_BUNDLED_EDITLINE=1 fi dnl Either way, we want to build with line editing support. AC_DEFINE(EDITLINE) fi AC_SUBST(JS_BUNDLED_EDITLINE) AC_SUBST_LIST(EDITLINE_LIBS) dnl ======================================================== dnl = dnl = Standalone module options dnl = dnl ======================================================== MOZ_ARG_HEADER(Standalone module options (Not for building Mozilla)) if test "$JS_HAS_CTYPES"; then dnl JS_HAS_CTYPES is defined by Python configure. This check remains dnl as long as determining $AS remains in old-configure. dnl Error out if we're on MSVC and MASM is unavailable. if test -n "$_MSC_VER" -a \( "$AS" != "ml.exe" -a "$AS" != "ml64.exe" \); then AC_MSG_ERROR([\"$AS\" is not a suitable assembler to build js-ctypes. If you are building with MS Visual Studio 8 Express, you may download the MASM 8.0 package, upgrade to Visual Studio 9 Express, or install the Vista SDK. Or do not use --enable-ctypes.]) fi fi dnl ======================================================== dnl = dnl = Options for generating the shell as a script dnl = dnl ======================================================== MOZ_ARG_WITH_STRING(qemu-exe, [ --with-qemu-exe=path Use path as an arm emulator on host platforms], QEMU_EXE=$withval) AC_SUBST(QEMU_EXE) MOZ_ARG_WITH_STRING(cross-lib, [ --with-cross-lib=dir Use dir as the location for arm libraries], CROSS_LIB=$withval, CROSS_LIB=/usr/$target) AC_SUBST(CROSS_LIB) dnl ======================================================== dnl = dnl = Maintainer debug option (no --enable equivalent) dnl = dnl ======================================================== AC_SUBST(AR) AC_SUBST(AR_FLAGS) AC_SUBST(AR_EXTRACT) AC_SUBST(AS) AC_SUBST_LIST(ASFLAGS) AC_SUBST(AS_DASH_C_FLAG) AC_SUBST(RC) AC_SUBST(RCFLAGS) AC_SUBST(WINDRES) AC_SUBST(IMPLIB) AC_SUBST(FILTER) AC_SUBST_LIST(MOZ_DEBUG_LDFLAGS) AC_SUBST(WARNINGS_AS_ERRORS) AC_SUBST(LIBICONV) AC_SUBST(ENABLE_STRIP) AC_SUBST(PKG_SKIP_STRIP) AC_SUBST(INCREMENTAL_LINKER) AC_SUBST_LIST(MOZ_FIX_LINK_PATHS) AC_SUBST(MOZ_POST_PROGRAM_COMMAND) AC_SUBST(MOZ_APP_NAME) AC_SUBST(MOZ_APP_DISPLAYNAME) AC_SUBST(MOZ_APP_VERSION) AC_SUBST(MOZ_PKG_SPECIAL) dnl ======================================================== dnl ECMAScript Internationalization API Support (uses ICU) dnl ======================================================== dnl top-level configure may override this with --without-intl-api _INTL_API=yes MOZ_CONFIG_ICU() dnl Echo the CFLAGS to remove extra whitespace. CFLAGS=`echo \ $_WARNINGS_CFLAGS \ $_COMPILATION_CFLAGS \ $CFLAGS` CXXFLAGS=`echo \ $_WARNINGS_CXXFLAGS \ $_COMPILATION_CXXFLAGS \ $CXXFLAGS` COMPILE_CFLAGS=`echo \ $_DEFINES_CFLAGS \ $COMPILE_CFLAGS` COMPILE_CXXFLAGS=`echo \ $_DEFINES_CXXFLAGS \ $COMPILE_CXXFLAGS` HOST_CFLAGS=`echo \ $_WARNINGS_HOST_CFLAGS \ $_COMPILATION_HOST_CFLAGS \ $HOST_CFLAGS` HOST_CXXFLAGS=`echo \ $_WARNINGS_HOST_CXXFLAGS \ $_COMPILATION_HOST_CXXFLAGS \ $HOST_CXXFLAGS` AC_SUBST(_DEPEND_CFLAGS) AC_SUBST(MOZ_SYSTEM_NSPR) OS_CFLAGS="$CFLAGS" OS_CXXFLAGS="$CXXFLAGS" OS_CPPFLAGS="$CPPFLAGS" OS_COMPILE_CFLAGS="$COMPILE_CFLAGS" OS_COMPILE_CXXFLAGS="$COMPILE_CXXFLAGS" OS_LDFLAGS="$LDFLAGS" OS_LIBS="$LIBS" AC_SUBST_LIST(OS_CFLAGS) AC_SUBST_LIST(OS_CXXFLAGS) AC_SUBST_LIST(OS_CPPFLAGS) AC_SUBST_LIST(OS_COMPILE_CFLAGS) AC_SUBST_LIST(OS_COMPILE_CXXFLAGS) AC_SUBST_LIST(OS_LDFLAGS) AC_SUBST(OS_LIBS) AC_SUBST(HOST_CC) AC_SUBST(HOST_CXX) AC_SUBST_LIST(HOST_CFLAGS) AC_SUBST_LIST(HOST_CPPFLAGS) AC_SUBST_LIST(HOST_CXXFLAGS) AC_SUBST(HOST_LDFLAGS) AC_SUBST_LIST(HOST_OPTIMIZE_FLAGS) AC_SUBST(HOST_AR) AC_SUBST(HOST_AR_FLAGS) AC_SUBST(HOST_RANLIB) AC_SUBST(HOST_BIN_SUFFIX) AC_SUBST(TARGET_XPCOM_ABI) AC_SUBST(MKSHLIB) AC_SUBST(MKCSHLIB) AC_SUBST_LIST(DSO_CFLAGS) AC_SUBST_LIST(DSO_PIC_CFLAGS) AC_SUBST(DSO_LDOPTS) AC_SUBST(BIN_SUFFIX) AC_SUBST(USE_N32) AC_SUBST(CC_VERSION) AC_SUBST(MOZ_LINKER) AC_SUBST(WIN32_CONSOLE_EXE_LDFLAGS) AC_SUBST(WIN32_GUI_EXE_LDFLAGS) AC_CHECK_FUNCS(posix_fadvise posix_fallocate) dnl Set various defines and substitutions dnl ======================================================== if test "$MOZ_DEBUG"; then AC_DEFINE(MOZ_REFLOW_PERF) AC_DEFINE(MOZ_REFLOW_PERF_DSP) fi AC_SUBST(MOZ_DEV_EDITION) if test -n "$MOZ_DEV_EDITION"; then AC_DEFINE(MOZ_DEV_EDITION) fi dnl ======================================================== dnl JavaScript shell dnl ======================================================== MOZ_CHECK_ALLOCATOR AC_CHECK_FUNCS(setlocale localeconv) AC_SUBST(ac_configure_args) if test -n "$JS_STANDALONE"; then MOZ_APP_NAME="mozjs" MOZ_APP_VERSION="$MOZILLA_SYMBOLVERSION" JS_LIBRARY_NAME="mozjs-$MOZILLA_SYMBOLVERSION" else JS_LIBRARY_NAME="mozjs" fi JS_CONFIG_LIBS="$NSPR_LIBS $LIBS" if test -n "$GNU_CC"; then JS_CONFIG_MOZ_JS_LIBS='-L${libdir} -l${JS_LIBRARY_NAME}' else JS_CONFIG_MOZ_JS_LIBS='${libdir}/${JS_LIBRARY_NAME}.lib' fi AC_SUBST(JS_LIBRARY_NAME) AC_SUBST(JS_CONFIG_MOZ_JS_LIBS) AC_SUBST(JS_CONFIG_LIBS) # Avoid using obsolete NSPR features AC_DEFINE(NO_NSPR_10_SUPPORT) dnl Spit out some output dnl ======================================================== MOZ_CREATE_CONFIG_STATUS() if test "$JS_STANDALONE"; then MOZ_RUN_ALL_SUBCONFIGURES() fi rm -fr confdefs* $ac_clean_files