LIBOBJS
enable_plugin
pluginlibs
+LIBELFINC
+LIBELFLIBS
CLOOGINC
CLOOGLIBS
PPLINC
slibdir
dollar
gcc_tooldir
+enable_lto
MAINT
zlibinc
zlibdir
ORIGINAL_NM_FOR_TARGET
gcc_cv_nm
ORIGINAL_LD_FOR_TARGET
+ORIGINAL_PLUGIN_LD_FOR_TARGET
gcc_cv_ld
ORIGINAL_AS_FOR_TARGET
gcc_cv_as
with_pic
enable_fast_install
enable_libtool_lock
+with_plugin_ld
enable_gnu_unique_object
enable_linker_build_id
with_long_double_128
PPLLIBS
PPLINC
CLOOGLIBS
-CLOOGINC'
+CLOOGINC
+LIBELFLIBS
+LIBELFINC'
# Initialize some variables set by options.
--with-pic try to use only PIC/non-PIC objects [default=use
both]
--with-gnu-ld assume the C compiler uses GNU ld [default=no]
+ --with-plugin-ld=[ARG] specify the plugin linker
--with-long-double-128 Use 128-bit long double by default.
--with-gc={page,zone} choose the garbage collection mechanism to use
with the compiler
PPLINC How to find PPL include files
CLOOGLIBS How to link CLOOG
CLOOGINC How to find CLOOG include files
+ LIBELFLIBS How to link libelf
+ LIBELFINC How to find libelf include files
Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.
else
lt_cv_nm_interface="BSD nm"
echo "int some_variable = 0;" > conftest.$ac_ext
- (eval echo "\"\$as_me:11568: $ac_compile\"" >&5)
+ (eval echo "\"\$as_me:11578: $ac_compile\"" >&5)
(eval "$ac_compile" 2>conftest.err)
cat conftest.err >&5
- (eval echo "\"\$as_me:11571: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+ (eval echo "\"\$as_me:11581: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
(eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
cat conftest.err >&5
- (eval echo "\"\$as_me:11574: output\"" >&5)
+ (eval echo "\"\$as_me:11584: output\"" >&5)
cat conftest.out >&5
if $GREP 'External.*some_variable' conftest.out > /dev/null; then
lt_cv_nm_interface="MS dumpbin"
;;
*-*-irix6*)
# Find out which ABI we are using.
- echo '#line 12779 "configure"' > conftest.$ac_ext
+ echo '#line 12789 "configure"' > conftest.$ac_ext
if { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_compile\""; } >&5
(eval $ac_compile) 2>&5
ac_status=$?
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:14439: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:14449: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:14443: \$? = $ac_status" >&5
+ echo "$as_me:14453: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:14778: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:14788: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:14782: \$? = $ac_status" >&5
+ echo "$as_me:14792: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:14883: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:14893: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:14887: \$? = $ac_status" >&5
+ echo "$as_me:14897: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:14938: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:14948: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:14942: \$? = $ac_status" >&5
+ echo "$as_me:14952: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 17320 "configure"
+#line 17330 "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 17416 "configure"
+#line 17426 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:19372: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:19382: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:19376: \$? = $ac_status" >&5
+ echo "$as_me:19386: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:19471: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:19481: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:19475: \$? = $ac_status" >&5
+ echo "$as_me:19485: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:19523: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:19533: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:19527: \$? = $ac_status" >&5
+ echo "$as_me:19537: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
fi
fi
+ORIGINAL_PLUGIN_LD_FOR_TARGET=$gcc_cv_ld
+PLUGIN_LD=`basename $gcc_cv_ld`
+
+# Check whether --with-plugin-ld was given.
+if test "${with_plugin_ld+set}" = set; then :
+ withval=$with_plugin_ld; if test x"$withval" != x; then
+ ORIGINAL_PLUGIN_LD_FOR_TARGET="$withval"
+ PLUGIN_LD="$withval"
+ fi
+fi
+
+
+
+cat >>confdefs.h <<_ACEOF
+#define PLUGIN_LD "$PLUGIN_LD"
+_ACEOF
+
+
ORIGINAL_LD_FOR_TARGET=$gcc_cv_ld
case "$ORIGINAL_LD_FOR_TARGET" in
_ACEOF
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for cfi sections directive" >&5
+$as_echo_n "checking assembler for cfi sections directive... " >&6; }
+if test "${gcc_cv_as_cfi_sections_directive+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_cfi_sections_directive=no
+ if test x$gcc_cv_as != x; then
+ echo ' .text
+ .cfi_sections .debug_frame, .eh_frame
+ .cfi_startproc
+ .cfi_endproc' > conftest.s
+ if { ac_try='$gcc_cv_as -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ gcc_cv_as_cfi_sections_directive=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_cfi_sections_directive" >&5
+$as_echo "$gcc_cv_as_cfi_sections_directive" >&6; }
+
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_GAS_CFI_SECTIONS_DIRECTIVE `if test $gcc_cv_as_cfi_sections_directive = yes;
+ then echo 1; else echo 0; fi`
+_ACEOF
+
+
# GAS versions up to and including 2.11.0 may mis-optimize
# .eh_frame data.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for eh_frame optimization" >&5
i[34567]86-*-* | x86_64-*-*)
case $target_os in
+ cygwin*)
+ # Full C++ conformance when using a shared libstdc++-v3 requires some
+ # support from the Cygwin DLL, which in more recent versions exports
+ # wrappers to aid in interposing and redirecting operators new, delete,
+ # etc., as per n2800 #17.6.4.6 [replacement.functions]. Check if we
+ # are configuring for a version of Cygwin that exports the wrappers.
+ if test x$host = x$target; then
+ ac_fn_c_check_func "$LINENO" "__wrap__Znaj" "ac_cv_func___wrap__Znaj"
+if test "x$ac_cv_func___wrap__Znaj" = x""yes; then :
+ gcc_ac_cygwin_dll_wrappers=yes
+else
+ gcc_ac_cygwin_dll_wrappers=no
+fi
+
+ else
+ # Can't check presence of libc functions during cross-compile, so
+ # we just have to assume we're building for an up-to-date target.
+ gcc_ac_cygwin_dll_wrappers=yes
+ fi
+
+cat >>confdefs.h <<_ACEOF
+#define USE_CYGWIN_LIBSTDCXX_WRAPPERS `if test $gcc_ac_cygwin_dll_wrappers = yes; then echo 1; else echo 0; fi`
+_ACEOF
+
+ esac
+ case $target_os in
cygwin* | pe | mingw32*)
# Recent binutils allows the three-operand form of ".comm" on PE. This
# definition is used unconditionally to initialise the default state of
fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for swap suffix" >&5
+$as_echo_n "checking assembler for swap suffix... " >&6; }
+if test "${gcc_cv_as_ix86_swap+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_ix86_swap=no
+ if test x$gcc_cv_as != x; then
+ echo 'movl.s %esp, %ebp' > conftest.s
+ if { ac_try='$gcc_cv_as -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ gcc_cv_as_ix86_swap=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_ix86_swap" >&5
+$as_echo "$gcc_cv_as_ix86_swap" >&6; }
+if test $gcc_cv_as_ix86_swap = yes; then
+
+$as_echo "#define HAVE_AS_IX86_SWAP 1" >>confdefs.h
+
+fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for different section symbol subtraction" >&5
$as_echo_n "checking assembler for different section symbol subtraction... " >&6; }
if test "${gcc_cv_as_ix86_diff_sect_delta+set}" = set; then :
fi
+ case $target in
+ *-*-aix*) conftest_s=' .machine "476"
+ .csect .text[PR]
+ dci 0';;
+ *) conftest_s=' .machine "476"
+ .text
+ dci 0';;
+ esac
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for data cache invalidate support" >&5
+$as_echo_n "checking assembler for data cache invalidate support... " >&6; }
+if test "${gcc_cv_as_powerpc_dci+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_as_powerpc_dci=no
+ if test $in_tree_gas = yes; then
+ if test $gcc_cv_gas_vers -ge `expr \( \( 9 \* 1000 \) + 99 \) \* 1000 + 0`
+ then gcc_cv_as_powerpc_dci=yes
+fi
+ elif test x$gcc_cv_as != x; then
+ echo "$conftest_s" > conftest.s
+ if { ac_try='$gcc_cv_as -a32 -o conftest.o conftest.s >&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ gcc_cv_as_powerpc_dci=yes
+ else
+ echo "configure: failed program was" >&5
+ cat conftest.s >&5
+ fi
+ rm -f conftest.o conftest.s
+ fi
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_powerpc_dci" >&5
+$as_echo "$gcc_cv_as_powerpc_dci" >&6; }
+if test $gcc_cv_as_powerpc_dci = yes; then
+
+$as_echo "#define HAVE_AS_DCI 1" >>confdefs.h
+
+fi
+
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler for .gnu_attribute support" >&5
$as_echo_n "checking assembler for .gnu_attribute support... " >&6; }
if test "${gcc_cv_as_powerpc_gnu_attribute+set}" = set; then :
$as_echo "#define HAVE_AS_DTPRELWORD 1" >>confdefs.h
fi
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking assembler and linker for explicit JALR relocation" >&5
+$as_echo_n "checking assembler and linker for explicit JALR relocation... " >&6; }
+ gcc_cv_as_ld_jalr_reloc=no
+ if test $gcc_cv_as_mips_explicit_relocs = yes; then
+ if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 20 -o "$gcc_cv_gld_major_version" -gt 2 \
+ && test $in_tree_ld_is_elf = yes; then
+ gcc_cv_as_ld_jalr_reloc=yes
+ fi
+ elif test x$gcc_cv_as != x -a x$gcc_cv_ld != x -a x$gcc_cv_objdump != x; then
+ echo ' .ent x' > conftest.s
+ echo 'x: ld $2,%got_disp(y)($3)' >> conftest.s
+ echo ' ld $25,%call16(y)($28)' >> conftest.s
+ echo ' .reloc 1f,R_MIPS_JALR,y' >> conftest.s
+ echo '1: jalr $25' >> conftest.s
+ echo ' .reloc 1f,R_MIPS_JALR,x' >> conftest.s
+ echo '1: jalr $25' >> conftest.s
+ echo ' .end x' >> conftest.s
+ if $gcc_cv_as -o conftest.o conftest.s >/dev/null 2>&5 \
+ && $gcc_cv_ld -shared -o conftest.so conftest.o >/dev/null 2>&5; then
+ if $gcc_cv_objdump -d conftest.so | grep -q jalr \
+ && $gcc_cv_objdump -d conftest.so | grep -q "bal.*<x>"; then
+ gcc_cv_as_ld_jalr_reloc=yes
+ fi
+ fi
+ rm -f conftest.*
+ fi
+ fi
+ if test $gcc_cv_as_ld_jalr_reloc = yes; then
+ if test x$target_cpu_default = x; then
+ target_cpu_default=MASK_RELAX_PIC_CALLS
+ else
+ target_cpu_default="($target_cpu_default)|MASK_RELAX_PIC_CALLS"
+ fi
+ fi
+ { $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_ld_jalr_reloc" >&5
+$as_echo "$gcc_cv_as_ld_jalr_reloc" >&6; }
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking linker for .eh_frame personality relaxation" >&5
+$as_echo_n "checking linker for .eh_frame personality relaxation... " >&6; }
+if test "${gcc_cv_ld_mips_personality_relaxation+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ gcc_cv_ld_mips_personality_relaxation=no
+ if test $in_tree_ld = yes ; then
+ if test "$gcc_cv_gld_major_version" -eq 2 \
+ -a "$gcc_cv_gld_minor_version" -ge 21 \
+ -o "$gcc_cv_gld_major_version" -gt 2; then
+ gcc_cv_ld_mips_personality_relaxation=yes
+ fi
+ elif test x$gcc_cv_as != x \
+ -a x$gcc_cv_ld != x \
+ -a x$gcc_cv_readelf != x ; then
+ cat > conftest.s <<EOF
+ .cfi_startproc
+ .cfi_personality 0x80,indirect_ptr
+ .ent test
+test:
+ nop
+ .end test
+ .cfi_endproc
+
+ .section .data,"aw",@progbits
+indirect_ptr:
+ .dc.a personality
+EOF
+ if $gcc_cv_as -KPIC -o conftest.o conftest.s > /dev/null 2>&1 \
+ && $gcc_cv_ld -o conftest conftest.o -shared > /dev/null 2>&1; then
+ if $gcc_cv_readelf -d conftest 2>&1 \
+ | grep TEXTREL > /dev/null 2>&1; then
+ :
+ elif $gcc_cv_readelf --relocs conftest 2>&1 \
+ | grep 'R_MIPS_REL32 *$' > /dev/null 2>&1; then
+ :
+ else
+ gcc_cv_ld_mips_personality_relaxation=yes
+ fi
+ fi
+ fi
+ rm -f conftest.s conftest.o conftest
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_ld_mips_personality_relaxation" >&5
+$as_echo "$gcc_cv_ld_mips_personality_relaxation" >&6; }
+ if test x$gcc_cv_ld_mips_personality_relaxation = xyes; then
+
+$as_echo "#define HAVE_LD_PERSONALITY_RELAXATION 1" >>confdefs.h
+
+ fi
;;
esac
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }
then
- # Also check for ld.so support, i.e. glibc 2.11 or higher.
- if test x$host = x$build -a x$host = x$target &&
- glibcver=`ldd --version 2>/dev/null`; then
- glibcmajor=`expr "$glibcver" : "ldd (GNU libc) \([0-9]*\)"`
- glibcminor=`expr "$glibcver" : "ldd (GNU libc) [0-9]*\.\([0-9]*\)"`
- glibcnum=`expr $glibcmajor \* 1000 + $glibcminor`
- if test "$glibcnum" -ge 2011 ; then
- gcc_cv_as_gnu_unique_object=yes
- fi
- fi
+ gcc_cv_as_gnu_unique_object=yes
else
echo "configure: failed program was" >&5
cat conftest.s >&5
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_as_gnu_unique_object" >&5
$as_echo "$gcc_cv_as_gnu_unique_object" >&6; }
if test $gcc_cv_as_gnu_unique_object = yes; then
- enable_gnu_unique_object=yes
+ # Also check for ld.so support, i.e. glibc 2.11 or higher.
+ if test x$host = x$build -a x$host = x$target &&
+ glibcver=`ldd --version 2>/dev/null`; then
+ glibcmajor=`expr "$glibcver" : "ldd (GNU libc) \([0-9]*\)"`
+ glibcminor=`expr "$glibcver" : "ldd (GNU libc) [0-9]*\.\([0-9]*\)"`
+ glibcnum=`expr $glibcmajor \* 1000 + $glibcminor`
+ if test "$glibcnum" -ge 2011 ; then
+ enable_gnu_unique_object=yes
+ fi
+ fi
fi
fi
# simply assert that glibc does provide this, which is true for all
# realistically usable GNU/Hurd configurations.
gcc_cv_libc_provides_ssp=yes;;
- *-*-darwin*)
+ *-*-darwin* | *-*-freebsd*)
ac_fn_c_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail"
if test "x$ac_cv_func___stack_chk_fail" = x""yes; then :
gcc_cv_libc_provides_ssp=yes
all_compilers="$all_compilers $compilers"
all_outputs="$all_outputs $outputs"
all_gtfiles="$all_gtfiles [$subdir] $gtfiles"
+ case ",$enable_languages," in
+ *,lto,*)
+
+$as_echo "#define ENABLE_LTO 1" >>confdefs.h
+
+ enable_lto=yes
+
+ ;;
+ *) ;;
+ esac
done
# Pick up gtfiles for c
fi
+
+
+if test "x${LIBELFLIBS}" != "x" ; then
+
+$as_echo "#define HAVE_libelf 1" >>confdefs.h
+
+fi
+
# Check for plugin support
# Check whether --enable-plugin was given.
if test "${enable_plugin+set}" = set; then :
fi
# Check -ldl
- LDFLAGS="$LDFLAGS -ldl"
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for -ldl" >&5
-$as_echo_n "checking for -ldl... " >&6; }
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dlopen" >&5
+$as_echo_n "checking for library containing dlopen... " >&6; }
+if test "${ac_cv_search_dlopen+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ ac_func_search_save_LIBS=$LIBS
+cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
-#include <dlfcn.h>
+
+/* Override any GCC internal prototype to avoid an error.
+ Use char because int might match the return type of a GCC
+ builtin and then its argument prototype would still apply. */
+#ifdef __cplusplus
+extern "C"
+#endif
+char dlopen ();
int
main ()
{
-volatile int f = 0; if (f) dlopen ("dummy", 0);
+return dlopen ();
;
return 0;
}
_ACEOF
-if ac_fn_c_try_link "$LINENO"; then :
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
-$as_echo "yes" >&6; }; have_dl=yes
-else
- { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
-$as_echo "no" >&6; }
+for ac_lib in '' dl; do
+ if test -z "$ac_lib"; then
+ ac_res="none required"
+ else
+ ac_res=-l$ac_lib
+ LIBS="-l$ac_lib $ac_func_search_save_LIBS"
+ fi
+ if ac_fn_c_try_link "$LINENO"; then :
+ ac_cv_search_dlopen=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext conftest.$ac_ext
- if test x"$have_dl" = x"yes"; then
+ conftest$ac_exeext
+ if test "${ac_cv_search_dlopen+set}" = set; then :
+ break
+fi
+done
+if test "${ac_cv_search_dlopen+set}" = set; then :
+
+else
+ ac_cv_search_dlopen=no
+fi
+rm conftest.$ac_ext
+LIBS=$ac_func_search_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dlopen" >&5
+$as_echo "$ac_cv_search_dlopen" >&6; }
+ac_res=$ac_cv_search_dlopen
+if test "$ac_res" != no; then :
+ test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
+
+fi
+
+ if test x"$ac_cv_search_dlopen" = x"-ldl"; then
pluginlibs="$pluginlibs -ldl"
fi
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
- if test x"$have_pic_shared" != x"yes"; then
+ if test x"$have_pic_shared" != x"yes" -o x"$ac_cv_search_dlopen" = x"no"; then
pluginlibs=
enable_plugin=no
fi
OSDN Git Service
