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old-configure.in
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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(${srcdir}/build/autoconf)
AC_CANONICAL_SYSTEM
dnl ========================================================
dnl =
dnl = Don't change the following lines. Doing so breaks:
dnl =
dnl = CFLAGS="-foo" ./configure
dnl =
dnl ========================================================
CFLAGS="${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="$ac_configure_args"
dnl Set the minimum version of toolkit libs used by mozilla
dnl ========================================================
W32API_VERSION=3.14
dnl Set various checks
dnl ========================================================
MISSING_X=
dnl Initialize the Pthread test variables early so they can be
dnl overridden by each platform.
dnl ========================================================
USE_PTHREADS=
_PTHREAD_LDFLAGS=""
LDFLAGS="$LDFLAGS $LINKER_LDFLAGS"
if test -z "$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=$_objdir/js-confdefs.h
fi
MOZ_ANDROID_NDK
dnl ========================================================
dnl Checks for compilers.
dnl ========================================================
if test "$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, $CC)
AC_CHECK_PROGS(STRIP, strip, :)
fi
MOZ_TOOL_VARIABLES
dnl Special win32 checks
dnl ========================================================
# Target the Windows 8.1 SDK by default
WINVER=601
case "$target" in
*-mingw*)
if test "$GCC" != "yes"; then
# Check to see if we are really running in a msvc environemnt
_WIN32_MSVC=1
# Make sure compilers are valid
CXXFLAGS="$CXXFLAGS -TP"
# _CRT_SECURE_NO_WARNINGS disables warnings about using MSVC-specific
# secure CRT functions.
CXXFLAGS="$CXXFLAGS -D_CRT_SECURE_NO_WARNINGS"
AC_LANG_SAVE
AC_LANG_C
AC_TRY_COMPILE([#include <stdio.h>],
[ printf("Hello World\n"); ],,
AC_MSG_ERROR([\$(CC) test failed. You must have MS VC++ in your path to build.]) )
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([#include <new.h>],
[ unsigned *test = new unsigned(42); ],,
AC_MSG_ERROR([\$(CXX) test failed. You must have MS VC++ in your path to build.]) )
AC_LANG_RESTORE
changequote(,)
_MSVC_VER_FILTER='s|.*[^!-~]([0-9]+\.[0-9]+\.[0-9]+(\.[0-9]+)?).*|\1|p'
changequote([,])
AC_DEFINE(_CRT_SECURE_NO_WARNINGS)
AC_DEFINE(_CRT_NONSTDC_NO_WARNINGS)
AC_DEFINE(_USE_MATH_DEFINES) # Otherwise MSVC's math.h doesn't #define M_PI.
_CC_SUITE=14
MSVC_C_RUNTIME_DLL=vcruntime140.dll
MSVC_CXX_RUNTIME_DLL=msvcp140.dll
# -Zc:sizedDealloc- disables C++14 global sized deallocation (see bug 1160146)
CXXFLAGS="$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 <w32api.h>],
#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 $W32API_VERSION or higher required.])
fi
fi # !GNU_CC
AC_DEFINE_UNQUOTED(WINVER,0x$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_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 $_sb_version_point -le 16; then
QEMU_CANT_RUN_JS_SHELL=1
fi
fi
AC_SUBST(QEMU_CANT_RUN_JS_SHELL)
AC_SUBST(GNU_CC)
AC_SUBST(GNU_CXX)
dnl ========================================================
dnl Checks for programs.
dnl ========================================================
if test "$COMPILE_ENVIRONMENT"; then
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 ========================================================
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++
dnl ========================================================
MOZ_ANDROID_CPU_ARCH
MOZ_ANDROID_STLPORT
dnl ========================================================
dnl Suppress Clang Argument Warnings
dnl ========================================================
WARNINGS_CFLAGS="$_WARNINGS_CFLAGS"
if test -n "${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
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_ASAN$MOZ_MSAN$MOZ_UBSAN$MOZ_TSAN$FUZZING_INTERFACES"; then
# Don't allow undefined symbols in libraries
DSO_LDOPTS="$DSO_LDOPTS -Wl,-z,defs"
fi
fi
DSO_CFLAGS=''
if test "$OS_ARCH" != "WINNT"; then
DSO_PIC_CFLAGS='-fPIC'
ASFLAGS="$ASFLAGS -fPIC"
fi
AC_MSG_CHECKING([for --noexecstack option to as])
_SAVE_CFLAGS=$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 -z nocopyreloc option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-z,nocopyreloc"
AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
LDFLAGS=$_SAVE_LDFLAGS)
AC_MSG_CHECKING([for -Bsymbolic-functions option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-Bsymbolic-functions"
AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
LDFLAGS=$_SAVE_LDFLAGS)
AC_MSG_CHECKING([for --build-id=sha1 option to ld])
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,--build-id=sha1"
AC_TRY_LINK(,,AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
LDFLAGS=$_SAVE_LDFLAGS)
_DEFINES_CFLAGS="-include $jsconfdefs -DMOZILLA_CLIENT"
fi
if test "$GNU_CXX"; then
_DEFINES_CXXFLAGS="-DMOZILLA_CLIENT -include $jsconfdefs"
fi
dnl ========================================================
dnl System overrides of the defaults for host
dnl ========================================================
case "$host" in
*mingw*)
if test -n "$_WIN32_MSVC"; then
HOST_CFLAGS="$HOST_CFLAGS"
else
HOST_CFLAGS="$HOST_CFLAGS -mwindows"
fi
HOST_CFLAGS="$HOST_CFLAGS -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="${HOST_OPTIMIZE_FLAGS=-O2}"
;;
esac
dnl ========================================================
dnl System overrides of the defaults for target
dnl ========================================================
case "$target" in
*-darwin*)
MOZ_OPTIMIZE_FLAGS="-O3"
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
dnl DTrace and -dead_strip don't interact well. See bug 403132.
dnl ===================================================================
if 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*)
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=
if test -n "$GNU_CC" -o -n "$CLANG_CC"; then
# $GNU_CC will match gcc and clang; while $CLANG_CC will match only clang
if test -z "$CLANG_CC"; then
AC_MSG_ERROR(Firefox cannot be built with mingw-gcc and requires a mingw-clang toolchain to work)
fi
DSO_LDOPTS='-shared'
# Use temp file for windres (bug 213281)
RCFLAGS='-O coff --use-temp-file'
# mingw doesn't require kernel32, user32, and advapi32 explicitly
LIBS="$LIBS -lusp10 -lgdi32 -lwinmm -lwsock32"
MOZ_FIX_LINK_PATHS=
# Silence problematic clang warnings
CXXFLAGS="$CXXFLAGS -Wno-incompatible-ms-struct"
LDFLAGS="$LDFLAGS -Wl,--no-insert-timestamp"
MOZ_OPTIMIZE_FLAGS="-O2"
WIN32_CONSOLE_EXE_LDFLAGS=-mconsole
WIN32_GUI_EXE_LDFLAGS=-mwindows
else
TARGET_COMPILER_ABI=msvc
RANLIB='echo not_ranlib'
STRIP='echo not_strip'
# aarch64 doesn't support subsystems below 6.02
if test "$CPU_ARCH" = "aarch64"; then
WIN32_SUBSYSTEM_VERSION=6.02
else
WIN32_SUBSYSTEM_VERSION=6.01
fi
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
_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="$CXXFLAGS -Gw"
else
# String tail merging doesn't play nice with ASan's ODR checker.
LDFLAGS="$LDFLAGS -opt:nolldtailmerge"
fi
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="$CXXFLAGS -Wno-implicit-exception-spec-mismatch"
# Macros like STDMETHOD() and IFACEMETHOD() can declare
# __attribute__((nothrow)) on their respective method declarations,
# while the definitions are left without the matching attribute.
CXXFLAGS="$CXXFLAGS -Wno-microsoft-exception-spec"
# 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"
# __attribute__((unused)) really means "might be unused" and
# we use it to avoid warnings about things that are unused
# in some compilation units, but used in many others. This
# warning insists on complaining about the latter case, which
# is annoying, and rather noisy.
CXXFLAGS="$CXXFLAGS -Wno-used-but-marked-unused"
fi
LIBS="$LIBS kernel32.lib user32.lib gdi32.lib winmm.lib wsock32.lib advapi32.lib"
MOZ_DEBUG_LDFLAGS='-DEBUG'
MOZ_OPTIMIZE_FLAGS="-O2"
MOZ_FIX_LINK_PATHS=
LDFLAGS="$LDFLAGS -LARGEADDRESSAWARE"
if test -z "$DEVELOPER_OPTIONS"; then
LDFLAGS="$LDFLAGS -RELEASE"
fi
RCFLAGS="-nologo"
fi
AC_DEFINE(HAVE__MSIZE)
AC_DEFINE(WIN32_LEAN_AND_MEAN)
dnl See http://support.microsoft.com/kb/143208 to use STL
AC_DEFINE(NOMINMAX)
BIN_SUFFIX='.exe'
MOZ_USER_DIR="Mozilla"
case "$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="$CFLAGS -mstackrealign"
CXXFLAGS="$CXXFLAGS -mstackrealign"
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="$DSO_LDOPTS -MACHINE:X64"
fi
AC_DEFINE(_AMD64_)
;;
aarch64-*)
if test -n "$_WIN32_MSVC"; then
DSO_LDOPTS="$DSO_LDOPTS -MACHINE:ARM64"
fi
AC_DEFINE(_ARM64_)
;;
*)
AC_DEFINE(_CPU_ARCH_NOT_DEFINED)
;;
esac
;;
*-netbsd*)
DSO_CFLAGS=''
CFLAGS="$CFLAGS -Dunix"
CXXFLAGS="$CXXFLAGS -Dunix"
if $CC -E - -dM </dev/null | grep __ELF__ >/dev/null; then
DSO_PIC_CFLAGS='-fPIC -DPIC'
DSO_LDOPTS='-shared'
MOZ_PROGRAM_LDFLAGS="$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 $DSO_LDOPTS"
fi
;;
*-openbsd*)
DSO_CFLAGS=''
DSO_PIC_CFLAGS='-fPIC'
DSO_LDOPTS='-shared -fPIC'
if test "$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 <stdio.h>
#include <sys/types.h>],
[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
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 "$target_os" in
darwin*)
USE_PTHREADS=1
;;
*)
AC_CHECK_LIB(pthreads, pthread_create,
USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthreads",
AC_CHECK_LIB(pthread, pthread_create,
USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthread",
AC_CHECK_LIB(c_r, pthread_create,
USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lc_r",
AC_CHECK_LIB(c, pthread_create,
USE_PTHREADS=1
)
)
)
)
;;
esac
dnl ========================================================
dnl Do the platform specific pthread hackery
dnl ========================================================
if test "$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} ${LDFLAGS}"
fi
dnl Checks for library functions.
dnl ========================================================
AC_CHECK_FUNCS([getc_unlocked _getc_nolock gmtime_r localtime_r pthread_getname_np pthread_get_name_np])
dnl check for clock_gettime(), the CLOCK_MONOTONIC clock
AC_CACHE_CHECK(for clock_gettime(CLOCK_MONOTONIC),
ac_cv_clock_monotonic,
[for libs in "" -lrt; do
_SAVE_LIBS="$LIBS"
_SAVE_CFLAGS="$CFLAGS"
LIBS="$LIBS $libs"
CFLAGS="$CFLAGS $DSO_PIC_CFLAGS"
dnl clock_gettime is available on OSX since 10.12, so depending on MACOSX_DEPLOYMENT_TARGET,
dnl we should or not be able to use it. To detect if we can, we need to make the
dnl availability attribute strict, so that compilation fails when the target is < 10.12.
AC_TRY_LINK([#define availability(os, ...) availability(os, strict, __VA_ARGS)
#include <time.h>],
[ struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts); ],
ac_cv_clock_monotonic=$libs
LIBS="$_SAVE_LIBS"
CFLAGS="$_SAVE_CFLAGS"
break,
ac_cv_clock_monotonic=no)
LIBS="$_SAVE_LIBS"
CFLAGS="$_SAVE_CFLAGS"
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
dnl Checks for math functions.
dnl ========================================================
AC_CHECK_LIB(m, sin)
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 <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
],
[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 <stdarg.h>
#include <stdlib.h>
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],