522 lines
16 KiB
Plaintext
522 lines
16 KiB
Plaintext
dnl Process this with autoconf to create configure
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AC_PREREQ(2.64)
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AC_INIT([libffi], [3.0.11], [http://gcc.gnu.org/bugs.html])
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AC_CONFIG_HEADERS([fficonfig.h])
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AM_ENABLE_MULTILIB(, ..)
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AC_CANONICAL_SYSTEM
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target_alias=${target_alias-$host_alias}
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. ${srcdir}/configure.host
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AM_INIT_AUTOMAKE
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# See if makeinfo has been installed and is modern enough
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# that we can use it.
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ACX_CHECK_PROG_VER([MAKEINFO], [makeinfo], [--version],
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[GNU texinfo.* \([0-9][0-9.]*\)],
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[4.[4-9]*|4.[1-9][0-9]*|[5-9]*|[1-9][0-9]*])
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AM_CONDITIONAL(BUILD_INFO, test $gcc_cv_prog_makeinfo_modern = "yes")
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# We would like our source tree to be readonly. However when releases or
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# pre-releases are generated, the flex/bison generated files as well as the
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# various formats of manuals need to be included along with the rest of the
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# sources. Therefore we have --enable-generated-files-in-srcdir to do
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# just that.
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AC_MSG_CHECKING(generated-files-in-srcdir)
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AC_ARG_ENABLE(generated-files-in-srcdir,
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AS_HELP_STRING([--enable-generated-files-in-srcdir],
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[put copies of generated files in source dir intended for creating source tarballs for users without texinfo bison or flex]),
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[case "$enableval" in
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yes) enable_generated_files_in_srcdir=yes ;;
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no) enable_generated_files_in_srcdir=no ;;
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*) AC_MSG_ERROR([Unknown argument to enable/disable version-specific libs]);;
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esac],
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[enable_generated_files_in_srcdir=no])
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AC_MSG_RESULT($enable_generated_files_in_srcdir)
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AM_CONDITIONAL(GENINSRC, test "$enable_generated_files_in_srcdir" = yes)
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# The same as in boehm-gc and libstdc++. Have to borrow it from there.
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# We must force CC to /not/ be precious variables; otherwise
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# the wrong, non-multilib-adjusted value will be used in multilibs.
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# As a side effect, we have to subst CFLAGS ourselves.
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m4_rename([_AC_ARG_VAR_PRECIOUS],[real_PRECIOUS])
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m4_define([_AC_ARG_VAR_PRECIOUS],[])
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AC_PROG_CC
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m4_rename_force([real_PRECIOUS],[_AC_ARG_VAR_PRECIOUS])
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AC_SUBST(CFLAGS)
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AM_PROG_AS
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AM_PROG_CC_C_O
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AC_PROG_LIBTOOL
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AM_MAINTAINER_MODE
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AC_CHECK_HEADERS(sys/mman.h)
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AC_CHECK_FUNCS(mmap)
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AC_FUNC_MMAP_BLACKLIST
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dnl The -no-testsuite modules omit the test subdir.
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AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
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TARGETDIR="unknown"
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case "$host" in
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aarch64*-*-*)
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TARGET=AARCH64; TARGETDIR=aarch64
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;;
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alpha*-*-*)
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TARGET=ALPHA; TARGETDIR=alpha;
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# Support 128-bit long double, changeable via command-line switch.
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HAVE_LONG_DOUBLE='defined(__LONG_DOUBLE_128__)'
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;;
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arm*-*-*)
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TARGET=ARM; TARGETDIR=arm
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;;
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amd64-*-freebsd* | amd64-*-openbsd*)
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TARGET=X86_64; TARGETDIR=x86
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;;
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amd64-*-freebsd*)
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TARGET=X86_64; TARGETDIR=x86
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;;
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avr32*-*-*)
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TARGET=AVR32; TARGETDIR=avr32
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;;
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bfin*)
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TARGET=BFIN; TARGETDIR=bfin
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;;
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cris-*-*)
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TARGET=LIBFFI_CRIS; TARGETDIR=cris
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;;
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frv-*-*)
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TARGET=FRV; TARGETDIR=frv
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;;
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hppa*-*-linux* | parisc*-*-linux* | hppa*-*-openbsd*)
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TARGET=PA_LINUX; TARGETDIR=pa
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;;
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hppa*64-*-hpux*)
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TARGET=PA64_HPUX; TARGETDIR=pa
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;;
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hppa*-*-hpux*)
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TARGET=PA_HPUX; TARGETDIR=pa
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;;
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i?86-*-freebsd* | i?86-*-openbsd*)
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TARGET=X86_FREEBSD; TARGETDIR=x86
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;;
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i?86-win32* | i?86-*-cygwin* | i?86-*-mingw* | i?86-*-os2* | i?86-*-interix*)
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TARGET=X86_WIN32; TARGETDIR=x86
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# All mingw/cygwin/win32 builds require -no-undefined for sharedlib.
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# We must also check with_cross_host to decide if this is a native
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# or cross-build and select where to install dlls appropriately.
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"';
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else
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AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"';
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fi
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;;
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i?86-*-darwin*)
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TARGET=X86_DARWIN; TARGETDIR=x86
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;;
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i?86-*-solaris2.1[[0-9]]*)
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TARGET=X86_64; TARGETDIR=x86
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;;
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i?86-*-*)
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TARGET=X86_64; TARGETDIR=x86
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;;
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ia64*-*-*)
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TARGET=IA64; TARGETDIR=ia64
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;;
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m32r*-*-*)
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TARGET=M32R; TARGETDIR=m32r
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;;
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m68k-*-*)
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TARGET=M68K; TARGETDIR=m68k
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;;
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mips-sgi-irix5.* | mips-sgi-irix6.* | mips*-*-rtems*)
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TARGET=MIPS; TARGETDIR=mips
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;;
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mips*-*-linux* | mips*-*-openbsd*)
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# Support 128-bit long double for NewABI.
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HAVE_LONG_DOUBLE='defined(__mips64)'
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TARGET=MIPS; TARGETDIR=mips
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;;
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powerpc*-*-linux* | powerpc-*-sysv*)
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TARGET=POWERPC; TARGETDIR=powerpc
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;;
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powerpc-*-amigaos*)
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TARGET=POWERPC; TARGETDIR=powerpc
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;;
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powerpc-*-beos*)
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TARGET=POWERPC; TARGETDIR=powerpc
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;;
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powerpc-*-darwin* | powerpc64-*-darwin*)
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TARGET=POWERPC_DARWIN; TARGETDIR=powerpc
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;;
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powerpc-*-aix* | rs6000-*-aix*)
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TARGET=POWERPC_AIX; TARGETDIR=powerpc
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;;
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powerpc-*-freebsd* | powerpc-*-openbsd*)
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TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc
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;;
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powerpc64-*-freebsd*)
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TARGET=POWERPC; TARGETDIR=powerpc
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;;
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powerpc*-*-rtems*)
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TARGET=POWERPC; TARGETDIR=powerpc
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;;
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s390-*-* | s390x-*-*)
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TARGET=S390; TARGETDIR=s390
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;;
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sh-*-* | sh[[34]]*-*-*)
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TARGET=SH; TARGETDIR=sh
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;;
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sh64-*-* | sh5*-*-*)
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TARGET=SH64; TARGETDIR=sh64
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;;
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sparc*-*-*)
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TARGET=SPARC; TARGETDIR=sparc
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;;
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tile*-*)
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TARGET=TILE; TARGETDIR=tile
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;;
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x86_64-*-darwin*)
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TARGET=X86_DARWIN; TARGETDIR=x86
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;;
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x86_64-*-cygwin* | x86_64-*-mingw*)
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TARGET=X86_WIN64; TARGETDIR=x86
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# All mingw/cygwin/win32 builds require -no-undefined for sharedlib.
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# We must also check with_cross_host to decide if this is a native
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# or cross-build and select where to install dlls appropriately.
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if test -n "$with_cross_host" &&
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test x"$with_cross_host" != x"no"; then
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AM_LTLDFLAGS='-no-undefined -bindir "$(toolexeclibdir)"';
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else
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AM_LTLDFLAGS='-no-undefined -bindir "$(bindir)"';
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fi
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;;
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x86_64-*-*)
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TARGET=X86_64; TARGETDIR=x86
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;;
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esac
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AC_SUBST(AM_RUNTESTFLAGS)
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AC_SUBST(AM_LTLDFLAGS)
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if test $TARGETDIR = unknown; then
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AC_MSG_ERROR(["libffi has not been ported to $host."])
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fi
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AM_CONDITIONAL(MIPS, test x$TARGET = xMIPS)
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AM_CONDITIONAL(BFIN, test x$TARGET = xBFIN)
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AM_CONDITIONAL(SPARC, test x$TARGET = xSPARC)
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AM_CONDITIONAL(X86, test x$TARGET = xX86)
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AM_CONDITIONAL(X86_FREEBSD, test x$TARGET = xX86_FREEBSD)
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AM_CONDITIONAL(X86_WIN32, test x$TARGET = xX86_WIN32)
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AM_CONDITIONAL(X86_WIN64, test x$TARGET = xX86_WIN64)
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AM_CONDITIONAL(X86_DARWIN, test x$TARGET = xX86_DARWIN)
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AM_CONDITIONAL(ALPHA, test x$TARGET = xALPHA)
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AM_CONDITIONAL(IA64, test x$TARGET = xIA64)
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AM_CONDITIONAL(M32R, test x$TARGET = xM32R)
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AM_CONDITIONAL(M68K, test x$TARGET = xM68K)
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AM_CONDITIONAL(POWERPC, test x$TARGET = xPOWERPC)
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AM_CONDITIONAL(POWERPC_AIX, test x$TARGET = xPOWERPC_AIX)
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AM_CONDITIONAL(POWERPC_DARWIN, test x$TARGET = xPOWERPC_DARWIN)
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AM_CONDITIONAL(POWERPC_FREEBSD, test x$TARGET = xPOWERPC_FREEBSD)
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AM_CONDITIONAL(AARCH64, test x$TARGET = xAARCH64)
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AM_CONDITIONAL(ARM, test x$TARGET = xARM)
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AM_CONDITIONAL(AVR32, test x$TARGET = xAVR32)
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AM_CONDITIONAL(LIBFFI_CRIS, test x$TARGET = xLIBFFI_CRIS)
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AM_CONDITIONAL(FRV, test x$TARGET = xFRV)
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AM_CONDITIONAL(S390, test x$TARGET = xS390)
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AM_CONDITIONAL(X86_64, test x$TARGET = xX86_64)
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AM_CONDITIONAL(SH, test x$TARGET = xSH)
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AM_CONDITIONAL(SH64, test x$TARGET = xSH64)
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AM_CONDITIONAL(PA_LINUX, test x$TARGET = xPA_LINUX)
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AM_CONDITIONAL(PA_HPUX, test x$TARGET = xPA_HPUX)
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AM_CONDITIONAL(PA64_HPUX, test x$TARGET = xPA64_HPUX)
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AM_CONDITIONAL(TILE, test x$TARGET = xTILE)
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AC_HEADER_STDC
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AC_CHECK_FUNCS(memcpy)
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AC_FUNC_ALLOCA
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AC_CHECK_SIZEOF(double)
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AC_CHECK_SIZEOF(long double)
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# Also AC_SUBST this variable for ffi.h.
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if test -z "$HAVE_LONG_DOUBLE"; then
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HAVE_LONG_DOUBLE=0
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if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
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if test $ac_cv_sizeof_long_double != 0; then
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HAVE_LONG_DOUBLE=1
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AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double])
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fi
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fi
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fi
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AC_SUBST(HAVE_LONG_DOUBLE)
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AC_C_BIGENDIAN
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GCC_AS_CFI_PSEUDO_OP
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if test x$TARGET = xSPARC; then
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AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
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libffi_cv_as_sparc_ua_pcrel, [
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save_CFLAGS="$CFLAGS"
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save_LDFLAGS="$LDFLAGS"
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CFLAGS="$CFLAGS -fpic"
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LDFLAGS="$LDFLAGS -shared"
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AC_TRY_LINK([asm (".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo); .text");],,
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[libffi_cv_as_sparc_ua_pcrel=yes],
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[libffi_cv_as_sparc_ua_pcrel=no])
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CFLAGS="$save_CFLAGS"
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LDFLAGS="$save_LDFLAGS"])
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if test "x$libffi_cv_as_sparc_ua_pcrel" = xyes; then
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AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
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[Define if your assembler and linker support unaligned PC relative relocs.])
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fi
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AC_CACHE_CHECK([assembler .register pseudo-op support],
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libffi_cv_as_register_pseudo_op, [
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libffi_cv_as_register_pseudo_op=unknown
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# Check if we have .register
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AC_TRY_COMPILE([asm (".register %g2, #scratch");],,
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[libffi_cv_as_register_pseudo_op=yes],
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[libffi_cv_as_register_pseudo_op=no])
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])
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if test "x$libffi_cv_as_register_pseudo_op" = xyes; then
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AC_DEFINE(HAVE_AS_REGISTER_PSEUDO_OP, 1,
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[Define if your assembler supports .register.])
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fi
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fi
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if test x$TARGET = xX86 || test x$TARGET = xX86_WIN32 || test x$TARGET = xX86_64; then
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AC_CACHE_CHECK([assembler supports pc related relocs],
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libffi_cv_as_x86_pcrel, [
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libffi_cv_as_x86_pcrel=yes
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echo '.text; foo: nop; .data; .long foo-.; .text' > conftest.s
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if $CC $CFLAGS -c conftest.s 2>&1 | $EGREP -i 'illegal|warning' > /dev/null; then
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libffi_cv_as_x86_pcrel=no
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fi
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])
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if test "x$libffi_cv_as_x86_pcrel" = xyes; then
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AC_DEFINE(HAVE_AS_X86_PCREL, 1,
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[Define if your assembler supports PC relative relocs.])
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fi
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AC_CACHE_CHECK([assembler .ascii pseudo-op support],
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libffi_cv_as_ascii_pseudo_op, [
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libffi_cv_as_ascii_pseudo_op=unknown
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# Check if we have .ascii
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AC_TRY_COMPILE([asm (".ascii \\"string\\"");],,
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[libffi_cv_as_ascii_pseudo_op=yes],
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[libffi_cv_as_ascii_pseudo_op=no])
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])
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if test "x$libffi_cv_as_ascii_pseudo_op" = xyes; then
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AC_DEFINE(HAVE_AS_ASCII_PSEUDO_OP, 1,
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[Define if your assembler supports .ascii.])
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fi
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AC_CACHE_CHECK([assembler .string pseudo-op support],
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libffi_cv_as_string_pseudo_op, [
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libffi_cv_as_string_pseudo_op=unknown
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# Check if we have .string
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AC_TRY_COMPILE([asm (".string \\"string\\"");],,
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[libffi_cv_as_string_pseudo_op=yes],
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[libffi_cv_as_string_pseudo_op=no])
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])
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if test "x$libffi_cv_as_string_pseudo_op" = xyes; then
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AC_DEFINE(HAVE_AS_STRING_PSEUDO_OP, 1,
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[Define if your assembler supports .string.])
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fi
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fi
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# On PaX enable kernels that have MPROTECT enable we can't use PROT_EXEC.
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AC_ARG_ENABLE(pax_emutramp,
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[ --enable-pax_emutramp enable pax emulated trampolines, for we can't use PROT_EXEC],
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if test "$enable_pax_emutramp" = "yes"; then
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AC_DEFINE(FFI_MMAP_EXEC_EMUTRAMP_PAX, 1,
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[Define this if you want to enable pax emulated trampolines])
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fi)
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FFI_EXEC_TRAMPOLINE_TABLE=0
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case "$target" in
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*arm*-apple-darwin*)
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FFI_EXEC_TRAMPOLINE_TABLE=1
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AC_DEFINE(FFI_EXEC_TRAMPOLINE_TABLE, 1,
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[Cannot use PROT_EXEC on this target, so, we revert to
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alternative means])
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;;
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*-apple-darwin1* | *-*-freebsd* | *-*-kfreebsd* | *-*-openbsd* | *-pc-solaris*)
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AC_DEFINE(FFI_MMAP_EXEC_WRIT, 1,
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[Cannot use malloc on this target, so, we revert to
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alternative means])
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;;
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esac
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AM_CONDITIONAL(FFI_EXEC_TRAMPOLINE_TABLE, test x$FFI_EXEC_TRAMPOLINE_TABLE = x1)
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AC_SUBST(FFI_EXEC_TRAMPOLINE_TABLE)
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if test x$TARGET = xX86_64; then
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AC_CACHE_CHECK([assembler supports unwind section type],
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libffi_cv_as_x86_64_unwind_section_type, [
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libffi_cv_as_x86_64_unwind_section_type=yes
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echo '.section .eh_frame,"a",@unwind' > conftest.s
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if $CC $CFLAGS -c conftest.s 2>&1 | grep -i warning > /dev/null; then
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libffi_cv_as_x86_64_unwind_section_type=no
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fi
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])
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if test "x$libffi_cv_as_x86_64_unwind_section_type" = xyes; then
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AC_DEFINE(HAVE_AS_X86_64_UNWIND_SECTION_TYPE, 1,
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[Define if your assembler supports unwind section type.])
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fi
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fi
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if test "x$GCC" = "xyes"; then
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AC_CACHE_CHECK([whether .eh_frame section should be read-only],
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libffi_cv_ro_eh_frame, [
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libffi_cv_ro_eh_frame=no
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echo 'extern void foo (void); void bar (void) { foo (); foo (); }' > conftest.c
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if $CC $CFLAGS -S -fpic -fexceptions -o conftest.s conftest.c > /dev/null 2>&1; then
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if grep '.section.*eh_frame.*"a"' conftest.s > /dev/null; then
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libffi_cv_ro_eh_frame=yes
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elif grep '.section.*eh_frame.*#alloc' conftest.c \
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| grep -v '#write' > /dev/null; then
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libffi_cv_ro_eh_frame=yes
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fi
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fi
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rm -f conftest.*
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])
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if test "x$libffi_cv_ro_eh_frame" = xyes; then
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AC_DEFINE(HAVE_RO_EH_FRAME, 1,
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[Define if .eh_frame sections should be read-only.])
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AC_DEFINE(EH_FRAME_FLAGS, "a",
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[Define to the flags needed for the .section .eh_frame directive. ])
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else
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AC_DEFINE(EH_FRAME_FLAGS, "aw",
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[Define to the flags needed for the .section .eh_frame directive. ])
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fi
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AC_CACHE_CHECK([for __attribute__((visibility("hidden")))],
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libffi_cv_hidden_visibility_attribute, [
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echo 'int __attribute__ ((visibility ("hidden"))) foo (void) { return 1 ; }' > conftest.c
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libffi_cv_hidden_visibility_attribute=no
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if AC_TRY_COMMAND(${CC-cc} -Werror -S conftest.c -o conftest.s 1>&AS_MESSAGE_LOG_FD); then
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if grep '\.hidden.*foo' conftest.s >/dev/null; then
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|
libffi_cv_hidden_visibility_attribute=yes
|
|
fi
|
|
fi
|
|
rm -f conftest.*
|
|
])
|
|
if test $libffi_cv_hidden_visibility_attribute = yes; then
|
|
AC_DEFINE(HAVE_HIDDEN_VISIBILITY_ATTRIBUTE, 1,
|
|
[Define if __attribute__((visibility("hidden"))) is supported.])
|
|
fi
|
|
fi
|
|
|
|
AH_BOTTOM([
|
|
#ifdef HAVE_HIDDEN_VISIBILITY_ATTRIBUTE
|
|
#ifdef LIBFFI_ASM
|
|
#define FFI_HIDDEN(name) .hidden name
|
|
#else
|
|
#define FFI_HIDDEN __attribute__ ((visibility ("hidden")))
|
|
#endif
|
|
#else
|
|
#ifdef LIBFFI_ASM
|
|
#define FFI_HIDDEN(name)
|
|
#else
|
|
#define FFI_HIDDEN
|
|
#endif
|
|
#endif
|
|
])
|
|
|
|
AC_SUBST(TARGET)
|
|
AC_SUBST(TARGETDIR)
|
|
|
|
AC_SUBST(SHELL)
|
|
|
|
AC_ARG_ENABLE(debug,
|
|
[ --enable-debug debugging mode],
|
|
if test "$enable_debug" = "yes"; then
|
|
AC_DEFINE(FFI_DEBUG, 1, [Define this if you want extra debugging.])
|
|
fi)
|
|
AM_CONDITIONAL(FFI_DEBUG, test "$enable_debug" = "yes")
|
|
|
|
AC_ARG_ENABLE(structs,
|
|
[ --disable-structs omit code for struct support],
|
|
if test "$enable_structs" = "no"; then
|
|
AC_DEFINE(FFI_NO_STRUCTS, 1, [Define this is you do not want support for aggregate types.])
|
|
fi)
|
|
|
|
AC_ARG_ENABLE(raw-api,
|
|
[ --disable-raw-api make the raw api unavailable],
|
|
if test "$enable_raw_api" = "no"; then
|
|
AC_DEFINE(FFI_NO_RAW_API, 1, [Define this is you do not want support for the raw API.])
|
|
fi)
|
|
|
|
AC_ARG_ENABLE(purify-safety,
|
|
[ --enable-purify-safety purify-safe mode],
|
|
if test "$enable_purify_safety" = "yes"; then
|
|
AC_DEFINE(USING_PURIFY, 1, [Define this if you are using Purify and want to suppress spurious messages.])
|
|
fi)
|
|
|
|
if test -n "$with_cross_host" &&
|
|
test x"$with_cross_host" != x"no"; then
|
|
toolexecdir='$(exec_prefix)/$(target_alias)'
|
|
toolexeclibdir='$(toolexecdir)/lib'
|
|
else
|
|
toolexecdir='$(libdir)/gcc-lib/$(target_alias)'
|
|
toolexeclibdir='$(libdir)'
|
|
fi
|
|
multi_os_directory=`$CC -print-multi-os-directory`
|
|
case $multi_os_directory in
|
|
.) ;; # Avoid trailing /.
|
|
*) toolexeclibdir=$toolexeclibdir/$multi_os_directory ;;
|
|
esac
|
|
AC_SUBST(toolexecdir)
|
|
AC_SUBST(toolexeclibdir)
|
|
|
|
if test "${multilib}" = "yes"; then
|
|
multilib_arg="--enable-multilib"
|
|
else
|
|
multilib_arg=
|
|
fi
|
|
|
|
AC_CONFIG_COMMANDS(include, [test -d include || mkdir include])
|
|
AC_CONFIG_COMMANDS(src, [
|
|
test -d src || mkdir src
|
|
test -d src/$TARGETDIR || mkdir src/$TARGETDIR
|
|
], [TARGETDIR="$TARGETDIR"])
|
|
|
|
AC_CONFIG_LINKS(include/ffitarget.h:src/$TARGETDIR/ffitarget.h)
|
|
|
|
AC_CONFIG_FILES(include/Makefile include/ffi.h Makefile testsuite/Makefile man/Makefile)
|
|
|
|
AC_OUTPUT
|