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configure.ac
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# Process this file with autoconf to produce a configure script.
#AC_PREREQ([2.62])
# This line is parsed by tools besides autoconf, such as msvc/mono.winconfig.targets.
# It should remain in the format they expect.
#
AC_INIT(mono, [6.13.0],
[https://github.com/mono/mono/issues/new])
AC_CONFIG_SRCDIR([Makefile.am])
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_SYSTEM
AC_CANONICAL_HOST
# Gross hack to enable 'make dist' on automake 1.9+tar 1.14.
# The extra brackets are to foil regex-based scans.
m4_ifdef([_A][M_PROG_TAR],[_A][M_SET_OPTION([tar-ustar])])
AM_INIT_AUTOMAKE([1.9 dist-xz tar-ustar no-dist-gzip foreign subdir-objects]
m4_esyscmd([case `automake --version | head -n 1` in # parallel-tests is default in automake 1.13+, we need to explicitly enable it
*1.11*|*1.12*) echo parallel-tests;; # for 1.11 and 1.12 but not below as those versions don't recognize the flag
esac])) # TODO: remove this hack once we require automake 1.11+
AC_CONFIG_HEADERS([config.h])
AM_MAINTAINER_MODE
m4_ifdef([AM_EXTRA_RECURSIVE_TARGETS], AM_EXTRA_RECURSIVE_TARGETS([test]))
m4_ifdef([AM_EXTRA_RECURSIVE_TARGETS], AM_EXTRA_RECURSIVE_TARGETS([test-bundle]))
API_VER=2.0
AC_SUBST(API_VER)
AC_PROG_LN_S
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
MONO_VERSION_MAJOR=`echo $VERSION | cut -d . -f 1`
MONO_VERSION_MINOR=`echo $VERSION | cut -d . -f 2`
MONO_VERSION_BUILD=`echo $VERSION | cut -d . -f 3`
#
# This is the version of the corlib-runtime interface. When
# making changes to this interface (by changing the layout
# of classes the runtime knows about, changing icall signature or
# semantics etc), change this variable.
#
# This must be unique relative to corlib interface and semantics.
#
# If you change corlib such that a runtime change is required, or
# vice versa, change this string. Examples include removing icalls,
# adding icalls, changing icall signatures, and changing type layouts
# that both sides know.
#
# It is an arbitrary string and should be parsed as such.
# A guid works and is encouraged.
#
# Generate it with uuidgen. For example:
# perl -pi.bak -e "s/^MONO_CORLIB_VERSION=\S+/MONO_CORLIB_VERSION=`uuidgen`/" configure.ac
#
# There is no ordering of corlib versions, no old or new,
# an exact match is required between corlib and runtime.
#
# This line is parsed by tools besides autoconf, such as msvc/mono.winconfig.targets.
# It should remain in the format they expect.
#
MONO_CORLIB_VERSION=1A5E0066-58DC-428A-B21C-0AD6CDAE2789
#
# Put a quoted #define in config.h.
# Substitute @MONO_CORLIB_VERSION@ unquoted.
#
AC_DEFINE_UNQUOTED(MONO_CORLIB_VERSION,"$MONO_CORLIB_VERSION",[Version of the corlib-runtime interface])
AC_SUBST(MONO_CORLIB_VERSION)
case $host_os in
*cygwin* )
echo "Run configure using ./configure --host=i686-w64-mingw32 or --host=x86_64-w64-mingw32"
exit 1
esac
# In case of cygwin, override LN_S, irrespective of what it determines.
# The build uses cygwin, but the actual runtime doesn't.
case $host_os in
*cygwin* ) LN_S='cp -p';;
esac
#
# libgc defaults
#
libgc_configure_args=
# These variables are the CPPFLAGS/CFLAGS passed to libgc's configure
# libgc should inherit the original CFLAGS/CPPFLAGS passed to configure, i.e. -O0
CPPFLAGS_FOR_LIBGC=$CPPFLAGS
CFLAGS_FOR_LIBGC=$CFLAGS
CPPFLAGS_FOR_BTLS=$CPPFLAGS
CFLAGS_FOR_BTLS=$CFLAGS
# libgc uses some deprecated APIs
CFLAGS_FOR_LIBGC="$CFLAGS -Wno-deprecated-declarations"
#
# These are the flags that need to be stored in the mono.pc file for
# compiling code that will embed Mono
#
libmono_cflags=""
libmono_ldflags=""
AC_SUBST(libmono_cflags)
AC_SUBST(libmono_ldflags)
# Variable to have relocatable .pc files (lib, or lib64)
# realpath isn't always available, and requires that all but the tip of the provided
# path exists. Fall back to the old behaviour, but realpath allows depth >1
# e.g. Debian puts Mono in /usr/bin and libs in /usr/lib/x86_64-linux-gnu/ which is
# too deep for the old method to work
reloc_libdir=`realpath --relative-to=${prefix} ${libdir} 2> /dev/null || basename ${libdir}`
AC_SUBST(reloc_libdir)
# Set to yes if Unix sockets cannot be created in an anonymous namespace
need_link_unlink=no
#Set to extra linker flags to be passed to the runtime binaries (mono /mono-sgen)
extra_runtime_ldflags=""
# Thread configuration inspired by sleepycat's db
AC_MSG_CHECKING([host platform characteristics])
libgc_threads=no
has_dtrace=no
parallel_mark=yes
ikvm_native=yes
host_win32=no
target_win32=no
target_wasm=no
platform_android=no
platform_tizen=no
platform_ios=no
host_darwin=no
host_linux=no
build_darwin=no
host_sunos=no
case "$host" in
wasm32*)
CFLAGS="$CFLAGS -D_REENTRANT -D_GNU_SOURCE -s WASM=1"
CPPFLAGS="$CPPFLAGS -D_REENTRANT -DUSE_MMAP -s WASM=1"
libgc_threads=pthreads
host_wasm=yes
# FIXME:
RID="osx-x64"
COREARCH="wasm32"
CORETARGETS="-p:TargetsUnix=true -p:TargetsOSX=true"
build_darwin=yes
;;
*-mingw*|*-*-cygwin*)
AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
AC_DEFINE(HOST_NO_SYMLINKS,1,[This platform does not support symlinks])
host_win32=yes
mono_cv_clang=no
if test "x$cross_compiling" = "xno"; then
if test "x$host" = "x$build" -a "x$host" = "x$target"; then
target_win32=yes
fi
else
if test "x$host" = "x$target"; then
target_win32=yes
fi
fi
HOST_CC="gcc"
RID="win-x86"
CORETARGETS="-p:TargetsWindows=true"
COREARCH="x86"
# Boehm not supported on 64-bit Windows.
case "$host" in
x86_64-*-* | amd64-*-*)
with_gc=sgen
RID="win-x64"
COREARCH="x64"
;;
esac
# Windows 7 or later is required
WIN32_CPPFLAGS="-DWINVER=0x0601 -D_WIN32_WINNT=0x0601 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS -DFD_SETSIZE=1024"
CPPFLAGS="$CPPFLAGS $WIN32_CPPFLAGS"
WIN32_LDFLAGS="-lbcrypt -lmswsock -lws2_32 -lole32 -loleaut32 -lpsapi -lversion -ladvapi32 -lwinmm -lkernel32 -liphlpapi -static-libgcc"
LDFLAGS="$LDFLAGS $WIN32_LDFLAGS"
libmono_cflags="-mms-bitfields -mwindows"
libmono_ldflags="-mms-bitfields -mwindows"
libgc_threads=win32
with_sigaltstack=no
with_tls=pthread
with_sgen_default_concurrent=yes
LN_S=cp
;;
*-*-*netbsd*)
CPPFLAGS="$CPPFLAGS -D_REENTRANT -DGC_NETBSD_THREADS -D_GNU_SOURCE"
libmono_cflags="-D_REENTRANT"
LDFLAGS="$LDFLAGS -pthread"
CPPFLAGS="$CPPFLAGS -DHOST_BSD"
libmono_ldflags="-pthread"
need_link_unlink=yes
libgc_threads=pthreads
with_sigaltstack=no
use_sigposix=yes
with_sgen_default_concurrent=yes
;;
*-*-kfreebsd*-gnu)
CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP -DUSE_MUNMAP -DTHREAD_LOCAL_ALLOC -pthread"
libmono_cflags="-D_REENTRANT -DTHREAD_LOCAL_ALLOC -pthread"
libmono_ldflags="-lpthread -pthread"
libgc_threads=pthreads
need_link_unlink=yes
with_sigaltstack=no
use_sigposix=yes
with_sgen_default_concurrent=yes
;;
*-*-*freebsd*)
dnl For close_my_fds
LDFLAGS="$LDFLAGS -lutil"
if test "x$PTHREAD_CFLAGS" = "x"; then
CPPFLAGS="$CPPFLAGS -DGC_FREEBSD_THREADS"
libmono_cflags=
else
CPPFLAGS="$CPPFLAGS $PTHREAD_CFLAGS -DGC_FREEBSD_THREADS"
libmono_cflags="$PTHREAD_CFLAGS"
fi
if test "x$PTHREAD_LIBS" = "x"; then
LDFLAGS="$LDFLAGS -pthread -L/usr/local/lib"
libmono_ldflags="-pthread"
else
LDFLAGS="$LDFLAGS $PTHREAD_LIBS -L/usr/local/lib"
libmono_ldflags="$PTHREAD_LIBS"
fi
CPPFLAGS="$CPPFLAGS -DHOST_BSD -D_WITH_GETLINE"
need_link_unlink=yes
AC_DEFINE(PTHREAD_POINTER_ID, 1, [pthread is a pointer])
libgc_threads=pthreads
use_sigposix=yes
has_dtrace=yes
case "$host" in
aarch64-*)
support_boehm=no
with_gc=sgen
;;
riscv*)
support_boehm=no
with_gc=sgen
;;
esac
with_sgen_default_concurrent=yes
;;
*-*-*openbsd*)
CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_OPENBSD_THREADS -DHOST_BSD -D_REENTRANT -DUSE_MMAP"
LDFLAGS="${LDFLAGS} -Wl,-zwxneeded"
if test "x$disable_munmap" != "xyes"; then
CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
fi
libmono_cflags="-D_THREAD_SAFE -D_REENTRANT"
LDFLAGS="$LDFLAGS -pthread"
need_link_unlink=yes
AC_DEFINE(PTHREAD_POINTER_ID)
libgc_threads=pthreads
with_tls=pthread
with_sigaltstack=no
use_sigposix=yes
with_sgen_default_concurrent=yes
;;
*-*-linux-android*)
platform_android=yes
AC_DEFINE(HOST_ANDROID,1,[Targeting the Android platform])
AC_DEFINE(TARGET_ANDROID,1,[Targeting the Android platform])
CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
if test "x$disable_munmap" != "xyes"; then
CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
fi
libmono_cflags="-D_REENTRANT"
libgc_threads=pthreads
use_sigposix=yes
with_tls=pthread
with_sigaltstack=no
with_static_mono=no
# Android doesn't support boehm, as it's missing <link.h>
support_boehm=no
with_gc=sgen
# isinf(3) requires -lm
LDFLAGS="$LDFLAGS -lm"
# Bionic's <pthread.h> sets PTHREAD_STACK_MIN=2*PAGE_SIZE; doesn't define
# PAGE_SIZE; breaks mono/io-layer/collection.c
# Bionic doesn't provide S_IWRITE; breaks io-layer/io.c
CFLAGS="$CFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
CXXFLAGS="$CXXFLAGS -DPAGE_SIZE=4096 -DS_IWRITE=S_IWUSR"
# FIXME? Only if __ANDROID_API__ < 24?
# FILE32API means "long", which is stuck at 32bits for 32bit ABI (64bits for 64bit ABI).
# ABI 24 introduces the "o" for "file offset" variations, which can be widened to 64bits for 32bit ABI (and still 64bits for 64bit).
# Android itself uses FILE32API, and mono should use system zlib on Android anyway.
ZLIB_CFLAGS="$ZLIB_CFLAGS -DUSE_FILE32API"
# to bypass the underscore linker check, can't work when cross-compiling
mono_cv_uscore=yes
mono_cv_clang=no
;;
*-*-linux*)
host_linux=yes
CPPFLAGS="$CPPFLAGS -DGC_LINUX_THREADS -D_GNU_SOURCE -D_REENTRANT -DUSE_MMAP"
if test "x$disable_munmap" != "xyes"; then
CPPFLAGS="$CPPFLAGS -DUSE_MUNMAP"
fi
libmono_cflags="-D_REENTRANT"
libgc_threads=pthreads
CORETARGETS="-p:TargetsUnix=true"
use_sigposix=yes
if test "x$cross_compiling" != "xno"; then
# to bypass the underscore linker check, not
# available during cross-compilation
mono_cv_uscore=no
fi
case "$host" in
*-musl)
AC_DEFINE(MUSL, 1, [musl libc])
;;
esac
case "$host" in
*-tizen-linux-*)
platform_tizen=yes
;;
esac
case "$host" in
ppc64-*)
RID="linux-ppc64"
;;
ppc64le-*)
RID="linux-ppc64el"
;;
mipsel-*)
RID="linux-mipsel"
;;
x86-*)
RID="linux-x86"
COREARCH="x86"
;;
x86_64-*)
RID="linux-x64"
COREARCH="x64"
;;
arm-*)
# deal with this in the FPU detection section, since
# we cannot determine FPU from triplet and don't want
# to duplicate the logic
;;
aarch64-*)
support_boehm=no
with_gc=sgen
RID="linux-arm64"
COREARCH="arm64"
;;
powerpc*-*-linux*)
# https://bugzilla.novell.com/show_bug.cgi?id=504411
disable_munmap=yes
;;
powerpc*-*-freebsd*)
# https://bugzilla.novell.com/show_bug.cgi?id=504411
disable_munmap=yes
;;
riscv*)
support_boehm=no
with_gc=sgen
;;
esac
with_sgen_default_concurrent=yes
;;
*-*-nacl*)
echo "nacl no longer supported."
exit 1
;;
*-*-hpux*)
CPPFLAGS="$CPPFLAGS -DGC_HPUX_THREADS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED -D_REENTRANT"
# +ESdbgasm only valid on bundled cc on RISC
# silently ignored for ia64
if test $GCC != "yes"; then
CFLAGS="$CFLAGS +ESdbgasm"
# Arrange for run-time dereferencing of null
# pointers to produce a SIGSEGV signal.
LDFLAGS="$LDFLAGS -z"
fi
CFLAGS="$CFLAGS +ESdbgasm"
LDFLAGS="$LDFLAGS -z"
libmono_cflags="-D_REENTRANT"
libmono_ldflags="-lpthread"
libgc_threads=pthreads
need_link_unlink=yes
use_sigposix=yes
;;
*-*-solaris*)
CPPFLAGS="$CPPFLAGS -DGC_SOLARIS_THREADS -DGC_SOLARIS_PTHREADS -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS -DUSE_MMAP -DUSE_MUNMAP -DHOST_SOLARIS -D__EXTENSIONS__ -D_XPG4_2"
need_link_unlink=yes
libmono_cflags="-D_REENTRANT"
libgc_threads=pthreads
has_dtrace=yes
use_sigposix=yes
enable_solaris_tar_check=yes
host_sunos=yes
;;
*-*-darwin*)
# Temporary workaround for Apple Silicon
# config.guess returns arm-apple-darwin20.0.0
if test $ac_cv_host = arm-apple-darwin20.0.0 -o $ac_cv_target = arm-apple-darwin20.0.0; then
echo "You are running on Apple Silicon, but using an old config.guess, invoke configure like this:"
echo "Run configure using ./configure --host=aarch64-apple-darwin20.0.0 --target=aarch64-apple-darwin20.0.0"
exit 1
fi
parallel_mark="Disabled_Currently_Hangs_On_MacOSX"
host_darwin=yes
target_mach=yes
CPPFLAGS="$CPPFLAGS -D_THREAD_SAFE -DGC_MACOSX_THREADS -DUSE_MMAP -DUSE_MUNMAP"
libmono_cflags="-D_THREAD_SAFE"
need_link_unlink=yes
AC_DEFINE(PTHREAD_POINTER_ID)
AC_DEFINE(USE_MACH_SEMA, 1, [...])
CORETARGETS="-p:TargetsUnix=true -p:TargetsOSX=true"
libgc_threads=pthreads
has_dtrace=yes
if test "x$cross_compiling" = "xyes"; then
has_broken_apple_cpp=yes
fi
dnl Snow Leopard is horribly broken -- it reports itself as i386-apple-darwin*, but
dnl its gcc defaults to 64-bit mode. They have also deprecated the usage of ucontext
dnl we need to set some flags to build our 32-bit binaries on 10.6 properly
case "$host" in
dnl Snow Leopard and newer config.guess reports as this
i*86-*-darwin*)
BROKEN_DARWIN_FLAGS="-arch i386"
BROKEN_DARWIN_CPPFLAGS=""
CPPFLAGS="$CPPFLAGS $BROKEN_DARWIN_CPPFLAGS"
CFLAGS="$CFLAGS $BROKEN_DARWIN_FLAGS"
CXXFLAGS="$CXXFLAGS $BROKEN_DARWIN_FLAGS"
CCASFLAGS="$CCASFLAGS $BROKEN_DARWIN_FLAGS"
CPPFLAGS_FOR_LIBGC="$CPPFLAGS_FOR_LIBGC $BROKEN_DARWIN_CPPFLAGS"
CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC $BROKEN_DARWIN_FLAGS"
with_sgen_default_concurrent=yes
RID="osx-x86"
COREARCH="x86"
;;
x*64-*-darwin*)
with_sgen_default_concurrent=yes
RID="osx-x64"
COREARCH="x64"
;;
arm*-darwin*)
platform_ios=yes
has_dtrace=no
;;
aarch64*-darwin20*)
# OSX/arm64
support_boehm=no
;;
aarch64*-darwin*)
platform_ios=yes
;;
esac
;;
*-*-haiku*)
dnl BSD_SOURCE is for getifaddrs
CPPFLAGS="$CPPFLAGS -D_BSD_SOURCE -D_REENTRANT -D_THREAD_SAFE"
libmono_cflags="-D_REENTRANT -D_THREAD_SAFE"
LIBS="$LIBS -lnetwork -ltextencoding"
need_link_unlink=yes
AC_DEFINE(PTHREAD_POINTER_ID)
dnl Haiku does not support static TLS with __thread
with_tls=pthread
libgc_threads=pthreads
use_sigposix=yes
with_sigaltstack=no
;;
*-*-fuchsia*)
AC_DEFINE(DISABLE_PORTABILITY,1,[Disable the io-portability layer])
AC_DEFINE(HOST_FUCHSIA,1,[Targeting the Fuchsia platform])
fuchsia=true
with_tls=pthread
with_sigaltstack=yes
with_static_mono=no
support_boehm=no
with_gc=sgen
mono_cv_uscore=yes
mono_cv_clang=no
;;
*-*-aix*|*-*-os400*)
AC_DEFINE(HOST_AIX,1,[Targeting the AIX and PASE platforms])
host_aix=yes
dnl IMPORTANT: For svr4 sonames on AIX, you should set
dnl `OBJECT_MODE=64` when configuring.
dnl libtool cannot generate functioning svr4 sonames on
dnl 64-bit without it.
dnl Unfortunately, everything is complicated by the fact that
dnl gcc doesn't respect this variable. (otherwise we could set
dnl it for build time for configure and make)
dnl On IBM i PASE using IBM's packages, GCC *does* respect this
dnl variable, and builds are 64-bit by default. svr4 sonames
dnl must still be specified when configuring on i, however.
dnl As such, because Mono doesn't support 32-bit AIX or PASE,
dnl set up a 64-bit build (assming GCC; XLC not supported)
dnl regardless of what variable is used.
case $host_os in
aix*)
if test "x$OBJECT_MODE" = "x64" && test "x$CC" = "x" && test "x$CXX" = "x"; then
dnl HACK: Set -maix64 at the GCC invocation
dnl level explicitly to work around the fact
dnl GCC in default maix32 mode explodes when
dnl binutils respects OBJECT_MODE.
dnl When that check occurs, flags are not
dnl passed to to the compiler, so GCC has no
dnl chance to change its mode.
dnl Otherwise, it may enter a state where it
dnl runs, but uses the libtool "compile"
dnl wrapper, which subtly breaks other things.
dnl This should propagate to all uses of CC.
dnl This is only set if not manually set.
CC="gcc -maix64"
CXX="g++ -maix64"
echo
fi
;;
dnl Not needed on i because it defaults to 64-bit and
dnl has a GCC smart enough to respect OBJECT_MODE.
esac
dnl We still set this for *FLAGS, however, because we may not
dnl be setting OBJECT_MODE.
LDFLAGS="$LDFLAGS -maix64"
CPPFLAGS="$CPPFLAGS -maix64 -DGC_AIX_THREADS -D_ALL_SOURCE -pthread -D_THREAD_SAFE -D_LARGE_FILES -D_REENTRANT"
libmono_cflags="-pthread -D_THREAD_SAFE -D_REENTRANT"
dnl Would you believe GNU nm doesn't know how to process AIX libraries?
dnl Hardcode IBM binutils in case GNU ones end up on our path. Also
dnl specifiy 64-bit mode for tools. (OBJECT_MODE is finicky with cmake.)
dnl XXX: We should stop the hardcoding madness
AR="/usr/bin/ar -X64"
NM="/usr/bin/nm -X64"
STRIP="/usr/bin/strip -X64"
RANLIB="/usr/bin/ranlib -X64"
dnl SGen is the future (changes to Boehm support code would be
dnl required if you wish to re-enable Boehm)
support_boehm=no
with_gc=sgen
need_link_unlink=yes
use_sigposix=yes
dnl Similar limitation to macOS about the first thread and the
dnl guard page, except sometimes the runtime hangs. Disable for
dnl now until cause can be determined or it seems OK enough.
with_sigaltstack=no
dnl use pthread TLS, __thread has issues with the compiler flags we use
with_tls=pthread
dnl ppc Linux is the same? test further
disable_munmap=yes
RID="aix-ppc64"
CORETARGETS="-p:TargetsUnix=true"
;;
*)
AC_MSG_WARN([*** Please add $host to configure.ac checks!])
;;
esac
AC_MSG_RESULT(ok)
if test x$need_link_unlink = xyes; then
AC_DEFINE(NEED_LINK_UNLINK, 1, [Define if Unix sockets cannot be created in an anonymous namespace])
fi
if test x$host_win32 = xyes; then
AC_DEFINE(HOST_WIN32, 1, [Host Platform is Win32])
fi
if test x$target_win32 = xyes; then
AC_DEFINE(TARGET_WIN32, 1, [Target Platform is Win32])
fi
if test x$host_darwin = xyes; then
AC_DEFINE(HOST_DARWIN, 1, [Host Platform is Darwin])
fi
# Defined for all targets/platforms using classic Windows API support.
AC_DEFINE(HAVE_CLASSIC_WINAPI_SUPPORT, 1, [Use classic Windows API support])
AC_DEFINE(HAVE_UWP_WINAPI_SUPPORT, 0, [Don't use UWP Windows API support])
AC_SUBST(extra_runtime_ldflags)
AM_CONDITIONAL(HOST_WIN32, test x$host_win32 = xyes)
AM_CONDITIONAL(TARGET_WIN32, test x$target_win32 = xyes)
AM_CONDITIONAL(HOST_LINUX, echo x$target_os | grep -q linux)
AM_CONDITIONAL(HOST_DARWIN, test x$host_darwin = xyes)
AM_CONDITIONAL(HOST_SIGPOSIX, test x$use_sigposix = xyes)
AM_CONDITIONAL(HOST_ANDROID, test x$platform_android = xyes)
AM_CONDITIONAL(HOST_TIZEN, test x$platform_tizen = xyes)
AM_CONDITIONAL(HOST_IOS, test x$platform_ios = xyes)
AM_CONDITIONAL(HOST_WASM, test x$host_wasm = xyes)
AM_CONDITIONAL(HOST_AIX, test x$host_aix = xyes)
if test -z "$HOST_DARWIN_TRUE"; then :
PLATFORM_AOT_SUFFIX=.dylib
PLATFORM_AOT_PREFIX=lib
fi
if test -z "$HOST_LINUX_TRUE"; then :
PLATFORM_AOT_SUFFIX=.so
PLATFORM_AOT_PREFIX=lib
fi
if test -z "$HOST_WIN32_TRUE"; then :
PLATFORM_AOT_SUFFIX=.dll
PLATFORM_AOT_PREFIX=
fi
AC_SUBST(PLATFORM_AOT_SUFFIX)
AC_SUBST(PLATFORM_AOT_PREFIX)
if test -z "$HOST_WASM_TRUE"; then :
AC_DEFINE(HAVE_UTIME)
AC_DEFINE(HAVE_UTIMES)
fi
## PLATFORM_AOT_SUFFIX not so simple for windows :-)
AC_CHECK_TOOL(CC, gcc, gcc)
AC_PROG_CC
AC_CHECK_TOOL(CXX, g++, g++)
AC_PROG_CXX
AM_PATH_PYTHON([3.2])
AM_PROG_AS
AC_PROG_INSTALL
AC_PROG_AWK
AM_PROG_CC_C_O
dnl We should use AM_PROG_AS, but it's not available on automake/aclocal 1.4
: ${CCAS='$(CC)'}
# Set ASFLAGS if not already set.
: ${CCASFLAGS='$(CFLAGS)'}
AC_SUBST(CCAS)
AC_SUBST(CCASFLAGS)
if test "x$CXX" = "xno"; then
AC_MSG_ERROR([No c++ compiler found. You need to install a c++ compiler])
fi
# AC_PROG_CXX helpfully sets CXX to g++ even if no c++ compiler is found so check
# GXX instead. See http://lists.gnu.org/archive/html/bug-autoconf/2002-04/msg00056.html
if test "x$CXX" = "xg++"; then
if test "x$GXX" != "xyes"; then
# automake/libtool is so broken, it requires g++ even if the c++ sources
# are inside automake conditionals
AC_MSG_ERROR([You need to install g++])
fi
fi
dnl may require a specific autoconf version
dnl AC_PROG_CC_FOR_BUILD
dnl CC_FOR_BUILD not automatically detected
CC_FOR_BUILD=$CC
CFLAGS_FOR_BUILD=$CFLAGS
BUILD_EXEEXT=
if test "x$cross_compiling" = "xyes"; then
CC_FOR_BUILD=cc
CFLAGS_FOR_BUILD=
BUILD_EXEEXT=""
fi
AC_SUBST(CC_FOR_BUILD)
AC_SUBST(CFLAGS_FOR_BUILD)
AC_SUBST(HOST_CC)
AC_SUBST(BUILD_EXEEXT)
AM_CONDITIONAL(CROSS_COMPILING, [test x$cross_compiling = xyes])
AM_CONDITIONAL(USE_BATCH_FILES, [test x$host_win32 = xyes -a x$cross_compiling = xyes])
# Set STDC_HEADERS
AC_HEADER_STDC
AC_LIBTOOL_WIN32_DLL
# This causes monodis to not link correctly
#AC_DISABLE_FAST_INSTALL
#lookup makedev() header
AC_HEADER_MAJOR
AM_PROG_LIBTOOL
# Use dolt (http://dolt.freedesktop.org/) instead of libtool for building.
DOLT
export_ldflags=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
AC_SUBST(export_ldflags)
# Test whenever ld supports -version-script
AC_PROG_LD
AC_PROG_LD_GNU
AC_CHECK_HEADERS(sys/filio.h sys/sockio.h netdb.h utime.h sys/utime.h semaphore.h sys/un.h linux/rtc.h sys/syscall.h sys/mkdev.h sys/uio.h sys/param.h sys/sysctl.h libproc.h sys/prctl.h copyfile.h gnu/lib-names.h)
AC_CHECK_HEADERS(sys/param.h sys/socket.h sys/ipc.h sys/utsname.h alloca.h ucontext.h pwd.h sys/select.h netinet/tcp.h netinet/in.h unistd.h sys/types.h link.h asm/sigcontext.h sys/inotify.h arpa/inet.h complex.h unwind.h)
# zlib/configure checks for unistd.h existence and defines HAVE_UNISTD_H on the compiler
# command line (not config.h) if it is present.
AC_CHECK_HEADER(unistd.h,
[HAVE_UNISTD_H=1
ZLIB_CFLAGS="$ZLIB_CFLAGS -DHAVE_UNISTD_H"],
[HAVE_UNISTD_H=0])
AC_SUBST(HAVE_UNISTD_H)
AC_CHECK_HEADERS([linux/netlink.h linux/rtnetlink.h],
[], [], [#include <stddef.h>
#include <sys/socket.h>
#include <linux/socket.h>])
AC_CHECK_HEADERS(sys/user.h, [], [],
[
#ifdef HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
])
AC_CHECK_HEADERS(linux/serial.h)
case "$host" in
# Use bundled zlib on Windows to be sure it is static.
*-mingw*|*-cygwin*)
have_sys_zlib=no
zlib_msg="bundled zlib"
;;
# Use bundled zlib on RISC-V for now to make cross-compiling easier.
riscv*)
have_sys_zlib=no
zlib_msg="bundled zlib"
;;
*)
AC_CHECK_HEADER(zlib.h, [have_sys_zlib=yes], [have_sys_zlib=no])
if test x$have_sys_zlib = xyes; then
AC_TRY_COMPILE([#include <zlib.h>], [
#if defined(ZLIB_VERNUM) && (ZLIB_VERNUM >= 0x1230)
#else
#error No good zlib found
#endif
],[
AC_MSG_RESULT(Using system zlib)
zlib_msg="system zlib"
have_sys_zlib=yes
],[
AC_MSG_RESULT(zlib too old, using embedded zlib)
have_sys_zlib=no
zlib_msg="bundled zlib"
])
else
AC_MSG_RESULT(zlib not found, using embedded zlib)
have_sys_zlib=no
zlib_msg="bundled zlib"
fi
;;
esac
AC_ARG_WITH(static-zlib, [ --with-static-zlib=PATH use the specified static zlib instead of -lz],[STATIC_ZLIB_PATH=$with_static_zlib],[STATIC_ZLIB_PATH=])
if test "x$STATIC_ZLIB_PATH" != "x"; then
have_static_zlib=yes
have_sys_zlib=no
zlib_msg="static zlib from $STATIC_ZLIB_PATH"
AC_SUBST(STATIC_ZLIB_PATH)
fi
AM_CONDITIONAL(HAVE_STATIC_ZLIB, test x$have_static_zlib = xyes)
AM_CONDITIONAL(HAVE_SYS_ZLIB, test x$have_sys_zlib = xyes)
if test x$have_static_zlib = xyes; then
AC_DEFINE(HAVE_STATIC_ZLIB, 1, [Use static zlib])
fi
if test x$have_sys_zlib = xyes; then
AC_DEFINE(HAVE_SYS_ZLIB, 1, [Use OS-provided zlib])
fi
# for mono/metadata/debug-symfile.c
AC_CHECK_HEADERS(elf.h)
# for perf jit dump support
AC_CHECK_HEADERS(sys/mman.h)
if test "x$host_linux" = "xyes" -a x$ac_cv_header_sys_mman_h = xyes -a x$ac_cv_header_elf_h = xyes -a x$ac_cv_header_sys_syscall_h = xyes; then
AC_DEFINE(ENABLE_JIT_DUMP, 1, [Enable jit dump support on Linux])
fi
# for support
AC_CHECK_HEADERS(poll.h)
AC_CHECK_HEADERS(sys/poll.h)
AC_CHECK_HEADERS(sys/wait.h)
AC_CHECK_HEADERS(grp.h)
AC_CHECK_HEADERS(syslog.h)
AC_CHECK_FUNCS(vsyslog)
# for mono/dis
AC_CHECK_HEADERS(wchar.h)
# for Linux statfs support
AC_CHECK_HEADERS(linux/magic.h)
# For Android NDK unified headers
if test x$platform_android = xyes; then
AC_CHECK_HEADERS(machine/endian.h sys/endian.h)
AC_CHECK_HEADERS(android/legacy_signal_inlines.h, [have_android_signal_inlines=yes], [have_android_signal_inlines=no])
AC_CHECK_HEADERS(android/ndk-version.h)
# Make sure SIGRT{MIN,MAX} work - they will fail to work with unified headers if building for
# API level < 21 *and* android/legacy_signal_inlines.h doesn't declare (and define) the required
# libc APIs to obtain values for SIGRT{MIN,MAX}. We perform the check only if android/legacy_signal_inlines.h
# is found because in other cases the macros will either work (for NDK < 14) or fail if the legacy header
# doesn't contain the required definitions (NDK 14)
if test x$have_android_signal_inlines = xyes; then
AC_MSG_CHECKING([Whether Android SIGRTMIN/SGRTMAX macros are valid])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([#include <signal.h>
#include <android/legacy_signal_inlines.h>],[
int i;
for (i = SIGRTMIN + 1; i < SIGRTMAX; ++i) {
}
])],[
AC_MSG_RESULT(yes)
android_sigrtminmax_work=yes
],[
AC_MSG_RESULT(no)
android_sigrtminmax_work=no
]
)
if test x$android_sigrtminmax_work = xno; then
AC_MSG_ERROR([Android SIGRTMIN/SIGRTMAX macros don't work in this NDK])
fi
fi
# Attempt to detect whether we're using Android NDK unified headers
AC_CHECK_HEADERS(android/api-level.h, [have_android_api_level=yes], [have_android_api_level=no])
AC_CHECK_HEADERS(android/versioning.h, [have_android_versioning=yes], [have_android_versioning=no])
android_unified_headers=no
if test x$have_android_api_level = xyes; then
if test x$have_android_versioning = xyes; then
AC_MSG_CHECKING([whether using Android NDK unified headers])
# Both macros are defined only in the NDK unified headers
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([
#include <android/api-level.h>
#include <android/versioning.h>
],[
#if __ANDROID_API_O__ == 26 && defined(__INTRODUCED_IN)
#else
#error __ANDROID_API_O__ != 26 or the __INTRODUCED_IN macro not defined
#endif
])],[
AC_MSG_RESULT(yes)
android_unified_headers=yes
],[
AC_MSG_RESULT(no)
android_unified_headers=no
]
)
fi
fi
if test x$android_unified_headers = xyes; then
AC_DEFINE(ANDROID_UNIFIED_HEADERS, 1, [Whether Android NDK unified headers are used])
fi
fi # Android
# not 64 bit clean in cross-compile
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long long)
AC_CACHE_CHECK([for clang],
mono_cv_clang,[
AC_TRY_COMPILE([], [
#ifdef __clang__
#else
#error "FAILED"
#endif
],
[mono_cv_clang=yes],
[mono_cv_clang=no],
[])
])
AC_ARG_ENABLE(visibility-hidden,
[ --disable-visibility-hidden disable usage of -fvisiblity=hidden],
disable_visibility_hidden=yes, disable_visibility_hidden=no)
WARN=''
if test x"$GCC" = xyes; then
WARN='-Wall -Wunused -Wmissing-declarations -Wpointer-arith -Wno-cast-qual -Wwrite-strings -Wno-switch -Wno-switch-enum -Wno-unused-value -Wno-attributes'
CFLAGS="$CFLAGS -Wmissing-prototypes -Wstrict-prototypes -Wnested-externs -Wno-format-zero-length -Wc++-compat"
# We require C99 with some GNU extensions, e.g. `linux` macro
CFLAGS="$CFLAGS -std=gnu99"
# The runtime code does not respect ANSI C strict aliasing rules
CFLAGS="$CFLAGS -fno-strict-aliasing"
# We rely on signed overflow to behave
CFLAGS="$CFLAGS -fwrapv"
CFLAGS="$CFLAGS -DMONO_DLL_EXPORT"
if test x"$disable_visibility_hidden" = xno; then
# Don't export any symbols by default
SHARED_CFLAGS="-fvisibility=hidden"
CXXFLAGS="$CXXFLAGS -fvisibility=hidden"
fi
ORIG_CFLAGS=$CFLAGS
# Check for the normal version, since gcc ignores unknown -Wno options
CFLAGS="$CFLAGS -Wunused-but-set-variable -Werror"
AC_MSG_CHECKING(for -Wno-unused-but-set-variable option to gcc)
AC_TRY_COMPILE([],[
], [
AC_MSG_RESULT(yes)
CFLAGS="$ORIG_CFLAGS -Wno-unused-but-set-variable"
], [
AC_MSG_RESULT(no)
CFLAGS=$ORIG_CFLAGS
])
if test "x$mono_cv_clang" = "xyes"; then
# https://bugzilla.samba.org/show_bug.cgi?id=8118
WARN="$WARN -Qunused-arguments"
WARN="$WARN -Wno-unused-function -Wno-tautological-compare -Wno-parentheses-equality -Wno-self-assign -Wno-return-stack-address -Wno-constant-logical-operand"
# We rely on zero length arrays in structs
WARN="$WARN -Wno-zero-length-array"
fi
else
# The Sun Forte compiler complains about inline functions that access static variables
# so disable all inlining.
case "$host" in
*-*-solaris*)
CFLAGS="$CFLAGS -Dinline="
;;
esac
fi
CFLAGS="$WARN $CFLAGS -g"
CFLAGS_FOR_LIBGC="$CFLAGS_FOR_LIBGC -g"
CPPFLAGS="$WARN $CPPFLAGS -g"
# Where's the 'mcs' source tree?
if test -d $srcdir/mcs; then
mcsdir=mcs
else
mcsdir=../mcs
fi
AC_ARG_WITH(mcs-path, [ --with-mcs-path=/path/to/mcs Specify an alternate mcs source tree],
if test x$with_mcs_path != "x" -a -d $with_mcs_path ; then
mcsdir=$with_mcs_path
fi
)
AC_ARG_WITH(jumptables, [ --with-jumptables=yes,no enable/disable support for jumptables (ARM-only for now) (defaults to no)],[],[with_jumptables=no])
AC_ARG_WITH(core, [ --with-core=only controls whether to build Mono as a .NET Core runtime (defaults to no)],[],[with_core=no])
if test x$with_core = xonly; then
AC_DEFINE(ENABLE_NETCORE,1,[Enables the support for .NET Core Features in the MonoVM])
with_runtime_preset=netcore
fi
AM_CONDITIONAL(ENABLE_NETCORE, test x$with_core = xonly)
#
# A sanity check to catch cases where the package was unpacked
# with an ancient tar program (Solaris)
#
AC_ARG_ENABLE(solaris-tar-check,
[ --disable-solaris-tar-check disable solaris tar check],
do_solaris_tar_check=no, do_solaris_tar_check=yes)
if test x"$do_solaris_tar_check" = xyes -a x"$enable_solaris_tar_check" = xyes; then
AC_MSG_CHECKING(integrity of package)
if test -f $mcsdir/class/System.Runtime.Serialization.Formatters.Soap/System.Runtime.Serialization.Formatters.Soap/SoapTypeMapper.cs
then
AC_MSG_RESULT(ok)
else
errorm="Your mono distribution is incomplete; if unpacking from a tar file, make sure you use GNU tar; see http://www.mono-project.com/IncompletePackage for more details"
AC_MSG_ERROR([$errorm])
fi
fi
if test "x$with_mcs_path" != "x"; then
mcs_topdir=$(cd "$mcsdir" && pwd)
mcs_topdir_from_srcdir=$mcs_topdir
else
mcs_topdir=$(cd "$srcdir/$mcsdir" && pwd)
mcs_topdir_from_srcdir='$(top_builddir)'/$mcsdir
fi
# Convert mcs_topdir* paths to Windows syntax.
if test x$cross_compiling$host_win32 = xnoyes; then
mcs_topdir=$(cygpath -m $mcs_topdir)
case $mcs_topdir_from_srcdir in
/cygdrive/*)
mcs_topdir_from_srcdir=$(cygpath -m $mcs_topdir_from_srcdir)
;;
esac
fi