ARCH_X86_AVX_TRUE
ARCH_X86_FALSE
ARCH_X86_TRUE
+ARCH_ARM_FALSE
+ARCH_ARM_TRUE
link_itm
XLDFLAGS
XCFLAGS
config_path
+LIBITM_BUILD_VERSIONED_SHLIB_SUN_FALSE
+LIBITM_BUILD_VERSIONED_SHLIB_SUN_TRUE
+LIBITM_BUILD_VERSIONED_SHLIB_GNU_FALSE
+LIBITM_BUILD_VERSIONED_SHLIB_GNU_TRUE
LIBITM_BUILD_VERSIONED_SHLIB_FALSE
LIBITM_BUILD_VERSIONED_SHLIB_TRUE
OPT_LDFLAGS
SECTION_LDFLAGS
+HAVE_HWCAP_FALSE
+HAVE_HWCAP_TRUE
+HWCAP_LDFLAGS
libtool_VERSION
MAINT
MAINTAINER_MODE_FALSE
return $ac_retval
} # ac_fn_c_compute_int
+
+# ac_fn_c_check_decl LINENO SYMBOL VAR
+# ------------------------------------
+# Tests whether SYMBOL is declared, setting cache variable VAR accordingly.
+ac_fn_c_check_decl ()
+{
+ as_lineno=${as_lineno-"$1"} as_lineno_stack=as_lineno_stack=$as_lineno_stack
+ as_decl_name=`echo $2|sed 's/ *(.*//'`
+ as_decl_use=`echo $2|sed -e 's/(/((/' -e 's/)/) 0&/' -e 's/,/) 0& (/g'`
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $as_decl_name is declared" >&5
+$as_echo_n "checking whether $as_decl_name is declared... " >&6; }
+if { as_var=$3; eval "test \"\${$as_var+set}\" = set"; }; then :
+ $as_echo_n "(cached) " >&6
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$4
+int
+main ()
+{
+#ifndef $as_decl_name
+#ifdef __cplusplus
+ (void) $as_decl_use;
+#else
+ (void) $as_decl_name;
+#endif
+#endif
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ eval "$3=yes"
+else
+ eval "$3=no"
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+fi
+eval ac_res=\$$3
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5
+$as_echo "$ac_res" >&6; }
+ eval $as_lineno_stack; test "x$as_lineno_stack" = x && { as_lineno=; unset as_lineno;}
+
+} # ac_fn_c_check_decl
cat >config.log <<_ACEOF
This file contains any messages produced by compilers while
running configure, to aid debugging if configure makes a mistake.
;;
# Unfortunately, older versions of FreeBSD 2 do not have this feature.
- freebsd2*)
+ freebsd2.*)
archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags'
hardcode_direct=yes
hardcode_minus_L=yes
objformat=`/usr/bin/objformat`
else
case $host_os in
- freebsd[123]*) objformat=aout ;;
+ freebsd[23].*) objformat=aout ;;
*) objformat=elf ;;
esac
fi
esac
shlibpath_var=LD_LIBRARY_PATH
case $host_os in
- freebsd2*)
+ freebsd2.*)
shlibpath_overrides_runpath=yes
;;
freebsd3.[01]* | freebsdelf3.[01]*)
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11719 "configure"
+#line 11773 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11825 "configure"
+#line 11879 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
esac
;;
- freebsd[12]*)
+ freebsd2.*)
# C++ shared libraries reported to be fairly broken before
# switch to ELF
ld_shlibs_CXX=no
objformat=`/usr/bin/objformat`
else
case $host_os in
- freebsd[123]*) objformat=aout ;;
+ freebsd[23].*) objformat=aout ;;
*) objformat=elf ;;
esac
fi
esac
shlibpath_var=LD_LIBRARY_PATH
case $host_os in
- freebsd2*)
+ freebsd2.*)
shlibpath_overrides_runpath=yes
;;
freebsd3.[01]* | freebsdelf3.[01]*)
fi
-# See what sort of export controls are availible.
+# See what sort of export controls are available.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether the target supports hidden visibility" >&5
$as_echo_n "checking whether the target supports hidden visibility... " >&6; }
fi
+# Check linker hardware capability support.
+
# Check whether --with-gnu-ld was given.
if test "${with_gnu_ld+set}" = set; then :
+ test -z "$HWCAP_LDFLAGS" && HWCAP_LDFLAGS=''
+
+
+ ac_save_LDFLAGS="$LDFLAGS"
+ LDFLAGS="$LFLAGS -Wl,-M,$srcdir/clearcap.map"
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for ld that supports -Wl,-M,mapfile" >&5
+$as_echo_n "checking for ld that supports -Wl,-M,mapfile... " >&6; }
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+int
+main ()
+{
+return 0;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ ac_hwcap_ldflags=yes
+else
+ ac_hwcap_ldflags=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test "$ac_hwcap_ldflags" = "yes"; then
+ HWCAP_LDFLAGS="-Wl,-M,$srcdir/clearcap.map $HWCAP_LDFLAGS"
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_hwcap_ldflags" >&5
+$as_echo "$ac_hwcap_ldflags" >&6; }
+
+ LDFLAGS="$ac_save_LDFLAGS"
+
+
+
+ if test $ac_hwcap_ldflags != no; then
+ HAVE_HWCAP_TRUE=
+ HAVE_HWCAP_FALSE='#'
+else
+ HAVE_HWCAP_TRUE='#'
+ HAVE_HWCAP_FALSE=
+fi
+
+
+# If defaulting to -mavx, don't clear hwcaps.
+ac_fn_c_check_decl "$LINENO" "__AVX__" "ac_cv_have_decl___AVX__" "$ac_includes_default"
+if test "x$ac_cv_have_decl___AVX__" = x""yes; then :
+ HWCAP_LDFLAGS=''
+fi
+
+
+
# If we're not using GNU ld, then there's no point in even trying these
# tests. Check for that first. We should have already tested for gld
# by now (in libtool), but require it now just to be safe...
# Start by getting the version number. I think the libtool test already
# does some of this, but throws away the result.
+ libitm_ld_is_gold=no
+ if $LD --version 2>/dev/null | grep 'GNU gold'> /dev/null 2>&1; then
+ libitm_ld_is_gold=yes
+ fi
- ldver=`$LD --version 2>/dev/null | head -1 | \
- sed -e 's/GNU ld \(version \)\{0,1\}\(([^)]*) \)\{0,1\}\([0-9.][0-9.]*\).*/\3/'`
+ ldver=`$LD --version 2>/dev/null |
+ sed -e 's/GNU gold /GNU ld /;s/GNU ld version /GNU ld /;s/GNU ld ([^)]*) /GNU ld /;s/GNU ld \([0-9.][0-9.]*\).*/\1/; q'`
libitm_gnu_ld_version=`echo $ldver | \
$AWK -F. '{ if (NF<3) $3=0; print ($1*100+$2)*100+$3 }'`
if test "${enable_symvers+set}" = set; then :
enableval=$enable_symvers;
case "$enableval" in
- yes|no|gnu) ;;
+ yes|no|gnu*|sun) ;;
*) as_fn_error "Unknown argument to enable/disable symvers" "$LINENO" 5 ;;
esac
# If we never went through the LIBITM_CHECK_LINKER_FEATURES macro, then we
# don't know enough about $LD to do tricks...
-# FIXME The following test is too strict, in theory.
-if test $enable_shared = no ||
- test "x$LD" = x ||
- test x$libitm_gnu_ld_version = x; then
- enable_symvers=no
+
+# Turn a 'yes' into a suitable default.
+if test x$enable_symvers = xyes ; then
+ # FIXME The following test is too strict, in theory.
+ if test $enable_shared = no || test "x$LD" = x; then
+ enable_symvers=no
+ else
+ if test $with_gnu_ld = yes ; then
+ enable_symvers=gnu
+ else
+ case ${target_os} in
+ # Sun symbol versioning exists since Solaris 2.5.
+ solaris2.[5-9]* | solaris2.1[0-9]*)
+ enable_symvers=sun ;;
+ *)
+ enable_symvers=no ;;
+ esac
+ fi
+ fi
+fi
+
+# Check if 'sun' was requested on non-Solaris 2 platforms.
+if test x$enable_symvers = xsun ; then
+ case ${target_os} in
+ solaris2*)
+ # All fine.
+ ;;
+ *)
+ # Unlikely to work.
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: === You have requested Sun symbol versioning, but" >&5
+$as_echo "$as_me: WARNING: === You have requested Sun symbol versioning, but" >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: === you are not targetting Solaris 2." >&5
+$as_echo "$as_me: WARNING: === you are not targetting Solaris 2." >&2;}
+ { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: === Symbol versioning will be disabled." >&5
+$as_echo "$as_me: WARNING: === Symbol versioning will be disabled." >&2;}
+ enable_symvers=no
+ ;;
+ esac
fi
# Check to see if libgcc_s exists, indicating that shared libgcc is possible.
# Check to see if unspecified "yes" value can win, given results above.
# Change "yes" into either "no" or a style name.
-if test $enable_symvers = yes; then
- if test $with_gnu_ld = yes &&
- test $libitm_shared_libgcc = yes;
- then
+if test $enable_symvers != no && test $libitm_shared_libgcc = yes; then
+ if test $with_gnu_ld = yes; then
if test $libitm_gnu_ld_version -ge $libitm_min_gnu_ld_version ; then
enable_symvers=gnu
+ elif test $libitm_ld_is_gold = yes ; then
+ enable_symvers=gnu
else
# The right tools, the right setup, but too old. Fallbacks?
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: === Linker version $libitm_gnu_ld_version is too old for" >&5
enable_symvers=no
fi
fi
+ elif test $enable_symvers = sun; then
+ : All interesting versions of Sun ld support sun style symbol versioning.
else
# just fail for now
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: === You have requested some kind of symbol versioning, but" >&5
LIBITM_BUILD_VERSIONED_SHLIB_FALSE=
fi
+ if test $enable_symvers = gnu; then
+ LIBITM_BUILD_VERSIONED_SHLIB_GNU_TRUE=
+ LIBITM_BUILD_VERSIONED_SHLIB_GNU_FALSE='#'
+else
+ LIBITM_BUILD_VERSIONED_SHLIB_GNU_TRUE='#'
+ LIBITM_BUILD_VERSIONED_SHLIB_GNU_FALSE=
+fi
+
+ if test $enable_symvers = sun; then
+ LIBITM_BUILD_VERSIONED_SHLIB_SUN_TRUE=
+ LIBITM_BUILD_VERSIONED_SHLIB_SUN_FALSE='#'
+else
+ LIBITM_BUILD_VERSIONED_SHLIB_SUN_TRUE='#'
+ LIBITM_BUILD_VERSIONED_SHLIB_SUN_FALSE=
+fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: versioning on shared library symbols is $enable_symvers" >&5
$as_echo "$as_me: versioning on shared library symbols is $enable_symvers" >&6;}
-
if test $enable_symvers = gnu; then
$as_echo "#define LIBITM_GNU_SYMBOL_VERSIONING 1" >>confdefs.h
;;
esac
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether weak refs work like ELF" >&5
+$as_echo_n "checking whether weak refs work like ELF... " >&6; }
+if test "${ac_cv_have_elf_style_weakref+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ weakref_m4_saved_CFLAGS="$CFLAGS"
+ case "${host}" in
+ *-apple-darwin*) CFLAGS="$CFLAGS -Wl,-undefined,dynamic_lookup" ;;
+ *) ;;
+ esac
+ if test "$cross_compiling" = yes; then :
+
+case "${host}" in
+ alpha*-dec-osf*) ac_cv_have_elf_style_weakref=no ;;
+ *-apple-darwin[89]*) ac_cv_have_elf_style_weakref=no ;;
+ *) ac_cv_have_elf_style_weakref=yes;;
+esac
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+extern void fNotToBeFound(void) __attribute__((weak));
+int main ()
+{
+ if (fNotToBeFound)
+ return 1;
+ else
+ return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ ac_cv_have_elf_style_weakref=yes
+else
+ ac_cv_have_elf_style_weakref=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+CFLAGS="$weakref_m4_saved_CFLAGS"
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_elf_style_weakref" >&5
+$as_echo "$ac_cv_have_elf_style_weakref" >&6; }
+if test x"$ac_cv_have_elf_style_weakref" = xyes; then
+
+$as_echo "#define HAVE_ELF_STYLE_WEAKREF 1" >>confdefs.h
+
+fi
+
# Cleanup and exit.
CFLAGS="$save_CFLAGS"
cat >confcache <<\_ACEOF
fi
# Set up the set of libraries that we need to link against for libitm.
-# Note that the GOMP_SELF_SPEC in gcc.c will force -pthread for -fopenmp,
+# Note that the GTM_SELF_SPECS in gcc.c will force -pthread for -fgnu-tm,
# which will force linkage against -lpthread (or equivalent for the system).
# That's not 100% ideal, but about the best we can do easily.
if test $enable_shared = yes; then
fi
+ if test "$ARCH" = arm; then
+ ARCH_ARM_TRUE=
+ ARCH_ARM_FALSE='#'
+else
+ ARCH_ARM_TRUE='#'
+ ARCH_ARM_FALSE=
+fi
+
if test "$ARCH" = x86; then
ARCH_X86_TRUE=
ARCH_X86_FALSE='#'
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${HAVE_HWCAP_TRUE}" && test -z "${HAVE_HWCAP_FALSE}"; then
+ as_fn_error "conditional \"HAVE_HWCAP\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
if test -z "${LIBITM_BUILD_VERSIONED_SHLIB_TRUE}" && test -z "${LIBITM_BUILD_VERSIONED_SHLIB_FALSE}"; then
as_fn_error "conditional \"LIBITM_BUILD_VERSIONED_SHLIB\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
+if test -z "${LIBITM_BUILD_VERSIONED_SHLIB_GNU_TRUE}" && test -z "${LIBITM_BUILD_VERSIONED_SHLIB_GNU_FALSE}"; then
+ as_fn_error "conditional \"LIBITM_BUILD_VERSIONED_SHLIB_GNU\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${LIBITM_BUILD_VERSIONED_SHLIB_SUN_TRUE}" && test -z "${LIBITM_BUILD_VERSIONED_SHLIB_SUN_FALSE}"; then
+ as_fn_error "conditional \"LIBITM_BUILD_VERSIONED_SHLIB_SUN\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
+if test -z "${ARCH_ARM_TRUE}" && test -z "${ARCH_ARM_FALSE}"; then
+ as_fn_error "conditional \"ARCH_ARM\" was never defined.
+Usually this means the macro was only invoked conditionally." "$LINENO" 5
+fi
if test -z "${ARCH_X86_TRUE}" && test -z "${ARCH_X86_FALSE}"; then
as_fn_error "conditional \"ARCH_X86\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
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