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old-configure.in
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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="$ac_configure_args"
dnl Set the minimum version of toolkit libs used by mozilla
dnl ========================================================
GLIB_VERSION=2.42
GLIB_VERSION_MIN_REQUIRED=GLIB_VERSION_2_42
GLIB_VERSION_MAX_ALLOWED=GLIB_VERSION_2_42
CAIRO_VERSION=1.10
GTK3_VERSION=3.14.0
GDK_VERSION_MAX_ALLOWED=GDK_VERSION_3_14
W32API_VERSION=3.14
DBUS_VERSION=0.60
dnl Set various checks
dnl ========================================================
MISSING_X=
dnl Initialize the Pthread test variables early so they can be
dnl overridden by each platform.
dnl ========================================================
MOZ_USE_PTHREADS=
_PTHREAD_LDFLAGS=""
LDFLAGS="$LDFLAGS $LINKER_LDFLAGS"
if test "$COMPILE_ENVIRONMENT"; then
MOZ_ANDROID_NDK
fi # COMPILE_ENVIRONMENT
case "$target" in
*-android*|*-linuxandroid*)
;;
*-linux*)
AC_PATH_PROG(OBJCOPY,objcopy)
;;
esac
AC_SUBST(OBJCOPY)
dnl ========================================================
dnl Checks for compilers.
dnl ========================================================
if test "$COMPILE_ENVIRONMENT"; then
# Run some logic to figure out exe extensions (mostly for mingw's sake)
AC_EXEEXT
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
MOZ_PATH_PROGS(AS, $AS as, $CC)
AC_CHECK_PROGS(STRIP, strip, :)
AC_CHECK_PROGS(OTOOL, otool, :)
fi
MOZ_TOOL_VARIABLES
dnl ========================================================
dnl Special win32 checks
dnl ========================================================
WINVER=601
case "$target" in
*-mingw*)
if test "$GCC" != "yes"; then
# Check to see if we are really running in a msvc environemnt
_WIN32_MSVC=1
# Make sure compilers are valid
CXXFLAGS="$CXXFLAGS -TP"
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
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.
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 2>/dev/null || pwd)`
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 2>/dev/null || pwd)`
fi
WRAP_STL_INCLUDES=1
STL_FLAGS="-I${DIST}/stl_wrappers"
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 $W32API_VERSION or higher required.])
fi
# strsafe.h on mingw uses macros for function deprecation that pollutes namespace
# causing problems with local implementations with the same name.
AC_DEFINE(STRSAFE_NO_DEPRECATE)
fi # !GNU_CC
CFLAGS="$CFLAGS -D_HAS_EXCEPTIONS=0"
CXXFLAGS="$CXXFLAGS -D_HAS_EXCEPTIONS=0"
AC_DEFINE_UNQUOTED(WINVER,0x$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 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 GNU specific defaults
dnl ========================================================
if test "$GNU_CC"; then
MMX_FLAGS="-mmmx"
SSE_FLAGS="-msse"
SSE2_FLAGS="-msse2"
SSSE3_FLAGS="-mssse3"
CFLAGS="$CFLAGS -fno-strict-aliasing"
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 "$result" = "yes"; then
HAVE_X86_AVX2=1
fi
;;
esac
DSO_LDOPTS='-shared'
if test "$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 $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
ASFLAGS="$ASFLAGS $_DEFINES_CFLAGS"
fi
if test "$GNU_CXX"; then
CXXFLAGS="$CXXFLAGS -fno-exceptions -fno-strict-aliasing"
_DEFINES_CXXFLAGS="-DMOZILLA_CLIENT -include $_objdir/mozilla-config.h"
fi
dnl ========================================================
dnl = Enable DMD
dnl ========================================================
if test "$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"
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"
DSO_LDOPTS=''
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=$_SAVE_LDFLAGS
fi
MOZ_FIX_LINK_PATHS=
;;
*-android*|*-linuxandroid*)
if test "$COMPILE_ENVIRONMENT" -a -n "$MOZ_MEMORY"; then
MOZ_LINKER=1
fi
if test -z "$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_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
# $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'
# mingw doesn't require kernel32, user32, and advapi32 explicitly
LIBS="$LIBS -luuid -lusp10 -lgdi32 -lwinmm -lwsock32 -luserenv -lsecur32"
MOZ_FIX_LINK_PATHS=
MOZ_OPTIMIZE_FLAGS="-O2"
WIN32_CONSOLE_EXE_LDFLAGS=-mconsole
WIN32_GUI_EXE_LDFLAGS=-mwindows
# Silence problematic clang warnings
CXXFLAGS="$CXXFLAGS -Wno-incompatible-ms-struct"
LDFLAGS="$LDFLAGS -Wl,--no-insert-timestamp"
else
TARGET_COMPILER_ABI=msvc
STRIP='echo not_strip'
# aarch64 doesn't support subsystems below 6.02
if test "$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 $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
_DEFINES_CXXFLAGS="-FI $_objdir/mozilla-config.h -DMOZILLA_CLIENT"
CFLAGS="$CFLAGS -W3 -Gy -Zc:inline"
CXXFLAGS="$CXXFLAGS -W3 -Gy -Zc:inline"
if test "$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.
SSSE3_FLAGS="-mssse3"
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
# 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"
# 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'
if test "$HOST_OS_ARCH" != "WINNT"; then
# %_PDB% is a special signal to emit only the PDB basename. This
# avoids problems in Windows tools that don't like forward-slashes.
MOZ_DEBUG_LDFLAGS="$MOZ_DEBUG_LDFLAGS -PDBALTPATH:%_PDB%"
fi
MOZ_OPTIMIZE_FLAGS='-O2'
MOZ_FIX_LINK_PATHS=
LDFLAGS="$LDFLAGS -LARGEADDRESSAWARE"
dnl Minimum reqiurement of Gecko is VS2015 or later which supports
dnl both SSSE3 and SSE4.1.
HAVE_TOOLCHAIN_SUPPORT_MSSSE3=1
HAVE_TOOLCHAIN_SUPPORT_MSSE4_1=1
dnl allow AVX2 code from VS2015
HAVE_X86_AVX2=1
fi
AC_DEFINE(WIN32_LEAN_AND_MEAN)
dnl See http://support.microsoft.com/kb/143208 to use STL
AC_DEFINE(NOMINMAX)
BIN_SUFFIX='.exe'
MOZ_USER_DIR="Mozilla"
case "$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
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="$DSO_LDOPTS -MACHINE:ARM64"
fi
AC_DEFINE(_ARM64_)
;;
*)
AC_DEFINE(_CPU_ARCH_NOT_DEFINED)
;;
esac
;;
*-netbsd*)
CFLAGS="$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_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
CFLAGS="$CFLAGS $DSO_PIC_CFLAGS"
CXXFLAGS="$CXXFLAGS $DSO_PIC_CFLAGS"
if test -z "$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 "$MOZ_LINKER"; then
AC_DEFINE(MOZ_LINKER)
fi
if test -z "$COMPILE_ENVIRONMENT"; then
SKIP_COMPILER_CHECKS=1
SKIP_LIBRARY_CHECKS=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
if test "$MOZ_BUILD_APP" = "tools/crashreporter/injector"; then
WRAP_STL_INCLUDES=
fi
dnl Checks for header files.
dnl ========================================================
AC_HEADER_DIRENT
dnl Check for sin_len and sin6_len - used by SCTP; only appears in Mac/*BSD generally
AC_CACHE_CHECK(for sockaddr_in.sin_len,
ac_cv_sockaddr_in_sin_len,
[AC_TRY_COMPILE([#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <netinet/in.h>
struct sockaddr_in x;
void *foo = (void*) &x.sin_len;],
[],
[ac_cv_sockaddr_in_sin_len=true],
[ac_cv_sockaddr_in_sin_len=false])])
if test "$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 "$ac_cv_sockaddr_in6_sin6_len" = true ; then
AC_DEFINE(HAVE_SIN6_LEN)
fi
AC_CACHE_CHECK(for sockaddr.sa_len,
ac_cv_sockaddr_sa_len,
[AC_TRY_COMPILE([#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <sys/socket.h>
struct sockaddr x;
void *foo = (void*) &x.sa_len;],
[],
[ac_cv_sockaddr_sa_len=true],
[ac_cv_sockaddr_sa_len=false])])
if test "$ac_cv_sockaddr_sa_len" = true ; then
AC_DEFINE(HAVE_SA_LEN)
fi
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 $target in
*-darwin*)
;;
*)
AC_SEARCH_LIBS(dlopen, dl,
MOZ_CHECK_HEADER(dlfcn.h,
AC_DEFINE(HAVE_DLOPEN)))
;;
esac
_SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -D_GNU_SOURCE"
AC_CHECK_FUNCS(dladdr memmem)
CFLAGS="$_SAVE_CFLAGS"
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*)
MOZ_USE_PTHREADS=1
;;
*)
AC_CHECK_LIB(pthreads, pthread_create,
MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthreads",
AC_CHECK_LIB(pthread, pthread_create,
MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lpthread",
AC_CHECK_LIB(c_r, pthread_create,
MOZ_USE_PTHREADS=1 _PTHREAD_LDFLAGS="-lc_r",
AC_CHECK_LIB(c, pthread_create,
MOZ_USE_PTHREADS=1
)
)
)
)
;;
esac
dnl ========================================================
dnl Do the platform specific pthread hackery
dnl ========================================================
if test "$MOZ_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*)