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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(config/config.mk)
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="$ac_configure_args"
dnl Set the version number of the libs included with mozilla
dnl ========================================================
MOZPNG=10635
NSPR_VERSION=4
NSPR_MINVER=4.21
NSS_VERSION=3
dnl Set the minimum version of toolkit libs used by mozilla
dnl ========================================================
GLIB_VERSION=2.22
# 2_26 is the earliest version we can set GLIB_VERSION_MIN_REQUIRED.
# The macro won't be used when compiling with earlier versions anyway.
GLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_26
CAIRO_VERSION=1.10
GTK2_VERSION=2.18.0
GTK3_VERSION=3.4.0
GDK_VERSION_MAX_ALLOWED=GDK_VERSION_3_4
W32API_VERSION=3.14
STARTUP_NOTIFICATION_VERSION=0.8
DBUS_VERSION=0.60
SQLITE_VERSION=3.29.0
dnl Set various checks
dnl ========================================================
MISSING_X=
dnl Initialize the Pthread test variables early so they can be
dnl overridden by each platform.
dnl ========================================================
MOZ_USE_PTHREADS=
_PTHREAD_LDFLAGS=""
LDFLAGS="$LDFLAGS $LINKER_LDFLAGS"
if test "$COMPILE_ENVIRONMENT"; then
MOZ_ANDROID_NDK
fi # COMPILE_ENVIRONMENT
case "$target" in
*-android*|*-linuxandroid*)
;;
*-linux*)
AC_PATH_PROG(OBJCOPY,objcopy)
;;
esac
case "$target" in
*-apple-darwin*)
MOZ_IOS_SDK
;;
esac
AC_SUBST(ANDROID_PACKAGE_NAME)
AC_SUBST(OBJCOPY)
dnl ========================================================
dnl Checks for compilers.
dnl ========================================================
if test "$COMPILE_ENVIRONMENT"; then
if test "$target" != "$host"; then
MOZ_CROSS_COMPILER
else
AC_PROG_CC
case "$target" in
*-mingw*)
# Work around the conftest.exe access problem on Windows
sleep 2
esac
AC_PROG_CXX
AC_PROG_RANLIB
MOZ_PATH_PROGS(AS, $AS as, $CC)
AC_CHECK_PROGS(STRIP, strip, :)
AC_CHECK_PROGS(OTOOL, otool, :)
fi
if test -n "$MOZ_WINCONSOLE"; then
AC_DEFINE(MOZ_WINCONSOLE)
fi
MOZ_TOOL_VARIABLES
dnl ========================================================
dnl Special win32 checks
dnl ========================================================
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="$CFLAGS -nologo"
CXXFLAGS="$CXXFLAGS -TP -nologo"
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="$CXXFLAGS -Zc:sizedDealloc-"
if test -n "$WIN_UCRT_REDIST_DIR"; then
if test ! -d "$WIN_UCRT_REDIST_DIR"; then
AC_MSG_ERROR([Invalid Windows UCRT Redist directory: ${WIN_UCRT_REDIST_DIR}])
fi
WIN_UCRT_REDIST_DIR=`cd "$WIN_UCRT_REDIST_DIR" && pwd -W`
fi
AC_SUBST(MSVC_C_RUNTIME_DLL)
AC_SUBST(MSVC_CXX_RUNTIME_DLL)
AC_DEFINE(HAVE_SEH_EXCEPTIONS)
if test -n "$WIN32_REDIST_DIR"; then
if test ! -d "$WIN32_REDIST_DIR"; then
AC_MSG_ERROR([Invalid Win32 Redist directory: ${WIN32_REDIST_DIR}])
fi
WIN32_REDIST_DIR=`cd "$WIN32_REDIST_DIR" && pwd -W`
fi
# 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, $_CC_SUITE.])
fi
;;
esac
INCREMENTAL_LINKER=1
unset _MSVC_VER_FILTER
WRAP_STL_INCLUDES=1
STL_FLAGS="-I${DIST}/stl_wrappers"
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 $W32API_VERSION or higher required.])
fi
# strsafe.h on mingw uses macros for function deprecation that pollutes namespace
# causing problems with local implementations with the same name.
AC_DEFINE(STRSAFE_NO_DEPRECATE)
fi # !GNU_CC
AC_DEFINE_UNQUOTED(WINVER,0x$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.
AC_DEFINE(HAVE_IO_H)
AC_DEFINE(HAVE_ISATTY)
fi
fi # COMPILE_ENVIRONMENT
AC_SUBST(GNU_CC)
AC_SUBST(GNU_CXX)
AC_SUBST_LIST(STL_FLAGS)
AC_SUBST(WRAP_STL_INCLUDES)
dnl ========================================================
dnl Checks for programs.
dnl ========================================================
if test "$COMPILE_ENVIRONMENT"; then
AC_PATH_XTRA
XCFLAGS="$X_CFLAGS"
fi # COMPILE_ENVIRONMENT
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"
MOZ_FS_LAYOUT=unix
dnl Configure platform-specific CPU architecture compiler options.
dnl ==============================================================
if test "$COMPILE_ENVIRONMENT"; then
MOZ_ARCH_OPTS
fi # COMPILE_ENVIRONMENT
dnl ========================================================
dnl Android libstdc++
dnl ========================================================
MOZ_ANDROID_CPU_ARCH
if test "$COMPILE_ENVIRONMENT"; then
MOZ_ANDROID_STLPORT
fi # COMPILE_ENVIRONMENT
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 ${_WARNINGS_CXXFLAGS}"
fi
if test -n "$COMPILE_ENVIRONMENT"; then
MOZ_CONFIG_SANITIZE
fi
dnl ========================================================
dnl Add optional and non-optional hardening flags
dnl ========================================================
CFLAGS="$CFLAGS $MOZ_HARDENING_CFLAGS"
CPPFLAGS="$CPPFLAGS $MOZ_HARDENING_CFLAGS"
CXXFLAGS="$CXXFLAGS $MOZ_HARDENING_CFLAGS"
LDFLAGS="$LDFLAGS $MOZ_HARDENING_LDFLAGS"
dnl ========================================================
dnl GNU specific defaults
dnl ========================================================
if test "$GNU_CC"; then
MMX_FLAGS="-mmmx"
SSE_FLAGS="-msse"
SSE2_FLAGS="-msse2"
SSSE3_FLAGS="-mssse3"
# FIXME: Let us build with strict aliasing. bug 414641.
CFLAGS="$CFLAGS -fno-strict-aliasing"
DSO_CFLAGS=''
if test "$OS_ARCH" != "WINNT" -o -z "$CLANG_CC"; then
DSO_PIC_CFLAGS='-fPIC'
ASFLAGS="$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)
AC_MSG_CHECKING([for --ignore-unresolved-symbol option to ld])
HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED=
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,--ignore-unresolved-symbol,environ"
AC_TRY_LINK(,,AC_MSG_RESULT([yes])
[HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED=1],
AC_MSG_RESULT([no]))
LDFLAGS=$_SAVE_LDFLAGS
# Check for -mssse3 on $CC
AC_MSG_CHECKING([if toolchain supports -mssse3 option])
HAVE_TOOLCHAIN_SUPPORT_MSSSE3=
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -mssse3"
AC_TRY_COMPILE([asm ("pmaddubsw %xmm2,%xmm3");],,AC_MSG_RESULT([yes])
[HAVE_TOOLCHAIN_SUPPORT_MSSSE3=1],
AC_MSG_RESULT([no]))
CFLAGS=$_SAVE_CFLAGS
# Check for -msse4.1 on $CC
AC_MSG_CHECKING([if toolchain supports -msse4.1 option])
HAVE_TOOLCHAIN_SUPPORT_MSSE4_1=
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -msse4.1"
AC_TRY_COMPILE([asm ("pmulld %xmm6,%xmm0");],,AC_MSG_RESULT([yes])
[HAVE_TOOLCHAIN_SUPPORT_MSSE4_1=1],
AC_MSG_RESULT([no]))
CFLAGS=$_SAVE_CFLAGS
case "${CPU_ARCH}" in
x86 | x86_64)
AC_MSG_CHECKING(for x86 AVX2 asm support in compiler)
AC_TRY_COMPILE([],
[asm volatile ("vpermq \$0xd8,%ymm0,%ymm0 \n");],
result="yes", result="no")
AC_MSG_RESULT("$result")
if test "$result" = "yes"; then
HAVE_X86_AVX2=1
fi
;;
ppc*)
AC_MSG_CHECKING([whether we can enable AltiVec support])
HAVE_ALTIVEC=
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS -maltivec"
AC_TRY_COMPILE(,,AC_MSG_RESULT([yes])
[HAVE_ALTIVEC=1],
AC_MSG_RESULT([no]))
CFLAGS=$_SAVE_CFLAGS
;;
esac
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="$DSO_LDOPTS -Wl,-z,defs"
# BSDs need `environ' exposed for posix_spawn (bug 753046)
case "$OS_TARGET" in
DragonFly|FreeBSD|NetBSD|OpenBSD)
if test -n "$HAVE_LINKER_SUPPORT_IGNORE_UNRESOLVED"; then
DSO_LDOPTS="$DSO_LDOPTS -Wl,--ignore-unresolved-symbol,environ"
else
DSO_LDOPTS="$DSO_LDOPTS -Wl,--warn-unresolved-symbols"
fi
;;
esac
fi
fi
_DEFINES_CFLAGS="-include $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
_USE_CPP_INCLUDE_FLAG=1
ASFLAGS="$ASFLAGS $_DEFINES_CFLAGS"
fi
if test "$GNU_CXX"; then
# FIXME: Let us build with strict aliasing. bug 414641.
CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-strict-aliasing"
_DEFINES_CXXFLAGS="-DMOZILLA_CLIENT -include $_objdir/mozilla-config.h"
_USE_CPP_INCLUDE_FLAG=1
fi
# For profiling builds keep the symbol information
if test "$MOZ_PROFILING" -a -z "$STRIP_FLAGS"; then
case "$OS_TARGET" in
Linux|DragonFly|FreeBSD|NetBSD|OpenBSD)
STRIP_FLAGS="--strip-debug"
;;
esac
fi
dnl ========================================================
dnl = Enable DMD
dnl ========================================================
if test "$MOZ_DMD"; then
if test "${CPU_ARCH}" = "arm"; then
CFLAGS="$CFLAGS -funwind-tables"
CXXFLAGS="$CXXFLAGS -funwind-tables"
fi
fi
dnl ========================================================
dnl System overrides of the defaults for host
dnl ========================================================
case "$host" in
*mingw*)
if test -n "$_WIN32_MSVC"; then
HOST_CFLAGS="$HOST_CFLAGS -nologo"
else
HOST_CFLAGS="$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 "$target" in
*-darwin*)
MOZ_OPTIMIZE_FLAGS="-O3"
CXXFLAGS="$CXXFLAGS -stdlib=libc++"
DSO_LDOPTS=''
STRIP_FLAGS="$STRIP_FLAGS -x -S"
# Ensure that if we're targeting iOS an SDK was provided.
AC_CACHE_CHECK(for iOS target,
ac_cv_ios_target,
[AC_TRY_COMPILE([#include <TargetConditionals.h>
#if !(TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR)
#error not iOS
#endif],
[],
ac_cv_ios_target="yes",
ac_cv_ios_target="no")])
if test "$ac_cv_ios_target" = "yes" -a -z $MOZ_IOS; then
AC_MSG_ERROR([targeting iOS but not using an iOS SDK?])
fi
if test -z "$MOZ_IOS"; then
# The ExceptionHandling framework is needed for Objective-C exception
# logging code in nsObjCExceptions.h. Currently we only use that in debug
# builds.
MOZ_DEBUG_LDFLAGS="$MOZ_DEBUG_LDFLAGS -framework ExceptionHandling";
fi
dnl DTrace and -dead_strip don't interact well. See bug 403132.
dnl ===================================================================
if test "x$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,${DIST}/bin"
;;
*-android*|*-linuxandroid*)
if test "$COMPILE_ENVIRONMENT"; then
MOZ_LINKER=1
fi
MOZ_GFX_OPTIMIZE_MOBILE=1
if test -z "$CLANG_CC"; then
MOZ_OPTIMIZE_FLAGS="-freorder-blocks -fno-reorder-functions -Os"
else
# From https://github.com/android-ndk/ndk/issues/133#issuecomment-308549264
# -Oz is smaller than -Os on clang.
MOZ_OPTIMIZE_FLAGS="-Oz"
# Disable the outliner, which causes performance regressions, and is
# enabled on some platforms at -Oz.
if test -z "$MOZ_LTO"; then
DISABLE_OUTLINER="-mno-outline"
_SAVE_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $DISABLE_OUTLINER"
AC_TRY_COMPILE(,,[MOZ_OPTIMIZE_FLAGS="$MOZ_OPTIMIZE_FLAGS $DISABLE_OUTLINER"])
CFLAGS="$_SAVE_CFLAGS"
else
DISABLE_OUTLINER="-Wl,-plugin-opt=-enable-machine-outliner=never"
_SAVE_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS $MOZ_LTO_LDFLAGS $DISABLE_OUTLINER"
AC_TRY_LINK(,,[MOZ_OPTIMIZE_LDFLAGS="$MOZ_OPTIMIZE_LDFLAGS $DISABLE_OUTLINER"])
LDFLAGS="$_SAVE_LDFLAGS"
fi
fi
;;
*-*linux*)
if test "$GNU_CC" -o "$GNU_CXX"; then
MOZ_PGO_OPTIMIZE_FLAGS="-O3"
if test -n "$MOZ_DEBUG"; then
MOZ_OPTIMIZE_FLAGS="-Os"
else
MOZ_OPTIMIZE_FLAGS="-O2"
fi
if test -z "$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=
# certain versions of cygwin's makedepend barf on the
# #include <string> vs -I./dist/include/string issue so don't use it
if test -n "$GNU_CC" -o -n "$CLANG_CC"; then
CC="$CC -mwindows"
CXX="$CXX -mwindows"
CPP="$CPP -mwindows"
DSO_LDOPTS='-shared'
# Use temp file for windres (bug 213281)
RCFLAGS='-O coff --use-temp-file'
# mingw doesn't require kernel32, user32, and advapi32 explicitly
LIBS="$LIBS -luuid -lusp10 -lgdi32 -lwinmm -lwsock32 -luserenv -lsecur32"
MOZ_FIX_LINK_PATHS=
MOZ_OPTIMIZE_FLAGS="-O2"
WIN32_CONSOLE_EXE_LDFLAGS=-mconsole
WIN32_GUI_EXE_LDFLAGS=-mwindows
if test -z "$CLANG_CC"; then
# Use static libgcc and libstdc++
LDFLAGS="$LDFLAGS -static"
# GCC/binutils can't link to a function if we try to include dllexport function
# in the same library as dllimport caller. To work around it, we build NSPR
# and NSS with -mnop-fun-dllimport flag. The drawback of this solution is that
# function thunks need to be generated for cross-DLL calls.
MOZ_FOLD_LIBS_FLAGS="-mnop-fun-dllimport"
else
# Silence problematic clang warnings
CXXFLAGS="$CXXFLAGS -Wno-incompatible-ms-struct"
fi
else
TARGET_COMPILER_ABI=msvc
RANLIB='echo not_ranlib'
STRIP='echo not_strip'
PKG_SKIP_STRIP=1
# aarch64 doesn't support subsystems below 6.02
if test "$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
_USE_CPP_INCLUDE_FLAG=1
_DEFINES_CFLAGS="-FI $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
_DEFINES_CXXFLAGS="-FI $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
CFLAGS="$CFLAGS -W3 -Gy -Zc:inline"
CXXFLAGS="$CXXFLAGS -W3 -Gy -Zc:inline"
if test -z "$CLANG_CL"; then
CPPFLAGS="$CPPFLAGS -utf-8"
fi
if test "$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([,])
SSE_FLAGS="-arch:SSE"
SSE2_FLAGS="-arch:SSE2"
dnl MSVC allows the use of intrinsics without any flags
dnl and doesn't have a separate arch for SSSE3
SSSE3_FLAGS="-arch:SSE2"
fi
dnl clang-cl requires appropriate flags to enable SSSE3 support
dnl on all architectures.
if test -n "$CLANG_CL"; then
SSSE3_FLAGS="-mssse3"
fi
dnl VS2013+ supports -Gw for better linker optimizations.
dnl http://blogs.msdn.com/b/vcblog/archive/2013/09/11/introducing-gw-compiler-switch.aspx
dnl Disabled on ASan because it causes false-positive ODR violations.
if test -z "$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"
# 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="$CXXFLAGS -Wno-used-but-marked-unused"
fi
# Silence VS2017 15.5+ TR1 deprecation warnings hit by older gtest versions
CXXFLAGS="$CXXFLAGS -D_SILENCE_TR1_NAMESPACE_DEPRECATION_WARNING"
LIBS="$LIBS user32.lib gdi32.lib winmm.lib wsock32.lib advapi32.lib secur32.lib"
MOZ_DEBUG_LDFLAGS='-DEBUG'
# Use a higher optimization level for clang-cl, so we can come closer
# to MSVC's performance numbers (see bug 1443590).
if test -n "$CLANG_CL"; then
MOZ_OPTIMIZE_FLAGS='-O2'
else
MOZ_OPTIMIZE_FLAGS='-O1 -Oi'
fi
MOZ_FIX_LINK_PATHS=
LDFLAGS="$LDFLAGS -LARGEADDRESSAWARE"
if test -z "$DEVELOPER_OPTIONS"; then
LDFLAGS="$LDFLAGS -RELEASE"
fi
RCFLAGS="-nologo"
dnl Minimum reqiurement of Gecko is VS2015 or later which supports
dnl both SSSE3 and SSE4.1.
HAVE_TOOLCHAIN_SUPPORT_MSSSE3=1
HAVE_TOOLCHAIN_SUPPORT_MSSE4_1=1
dnl allow AVX2 code from VS2015
HAVE_X86_AVX2=1
fi
AC_DEFINE(WIN32_LEAN_AND_MEAN)
dnl See http://support.microsoft.com/kb/143208 to use STL
AC_DEFINE(NOMINMAX)
BIN_SUFFIX='.exe'
MOZ_USER_DIR="Mozilla"
case "$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
if test -n "$GNU_CC" -a -z "$CLANG_CC"; then
CFLAGS="$CFLAGS -fno-keep-inline-dllexport"
CXXFLAGS="$CXXFLAGS -fno-keep-inline-dllexport"
fi
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 $DSO_LDOPTS"
fi
;;
*-openbsd*)
if test -z "$X11BASE"; then
X11BASE=/usr/X11R6
fi
MOZ_FIX_LINK_PATHS="$MOZ_FIX_LINK_PATHS -Wl,-rpath-link,${X11BASE}/lib"
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 "$MOZ_OPTIMIZE_FLAGS"; then
MOZ_OPTIMIZE_FLAGS="-O"
fi
AC_SUBST_LIST(MMX_FLAGS)
AC_SUBST_LIST(SSE_FLAGS)
AC_SUBST_LIST(SSE2_FLAGS)
AC_SUBST_LIST(SSSE3_FLAGS)
AC_SUBST(MOZ_LINKER)
if test -n "$MOZ_LINKER"; then
AC_DEFINE(MOZ_LINKER)
MOZ_LINKER_EXTRACT=1
AC_CHECK_PROGS(XZ, xz)
fi
if test -z "$COMPILE_ENVIRONMENT"; then
SKIP_COMPILER_CHECKS=1
SKIP_LIBRARY_CHECKS=1
PKG_SKIP_STRIP=1
MOZ_DEBUGGING_OPTS
else
MOZ_COMPILER_OPTS
fi # COMPILE_ENVIRONMENT
if test -z "$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_LANG_CPLUSPLUS
MOZ_CXX11
AC_LANG_C
case "${OS_TARGET}" in
Darwin)
;;
*)
STL_FLAGS="-I${DIST}/stl_wrappers"
WRAP_STL_INCLUDES=1
;;
esac
if test "$MOZ_BUILD_APP" = "tools/crashreporter"; then
WRAP_STL_INCLUDES=
fi
dnl Checks for header files.
dnl ========================================================
AC_HEADER_DIRENT
case "$target_os" in
bitrig*|dragonfly*|freebsd*|openbsd*)
# for stuff like -lXshm
CPPFLAGS="${CPPFLAGS} ${X_CFLAGS}"
;;
esac
dnl Check for sin_len and sin6_len - used by SCTP; only appears in Mac/*BSD generally
AC_CACHE_CHECK(for sockaddr_in.sin_len,
ac_cv_sockaddr_in_sin_len,
[AC_TRY_COMPILE([#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <netinet/in.h>
struct sockaddr_in x;
void *foo = (void*) &x.sin_len;],
[],
[ac_cv_sockaddr_in_sin_len=true],
[ac_cv_sockaddr_in_sin_len=false])])
if test "$ac_cv_sockaddr_in_sin_len" = true ; then
AC_DEFINE(HAVE_SIN_LEN)
dnl HAVE_CONN_LEN must be the same as HAVE_SIN_LEN (and HAVE_SIN6_LEN too)
AC_DEFINE(HAVE_SCONN_LEN)
fi
AC_CACHE_CHECK(for sockaddr_in6.sin6_len,
ac_cv_sockaddr_in6_sin6_len,
[AC_TRY_COMPILE([#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <netinet/in.h>
struct sockaddr_in6 x;
void *foo = (void*) &x.sin6_len;],
[],
[ac_cv_sockaddr_in6_sin6_len=true],
[ac_cv_sockaddr_in6_sin6_len=false])])
if test "$ac_cv_sockaddr_in6_sin6_len" = true ; then
AC_DEFINE(HAVE_SIN6_LEN)