diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 104 |
1 files changed, 85 insertions, 19 deletions
diff --git a/configure b/configure index a757ce72a7..414403d84e 100755 --- a/configure +++ b/configure @@ -1598,9 +1598,74 @@ EOF fi +echo $ac_n "checking for .symver assembler directive""... $ac_c" 1>&6 +echo "configure:1603: checking for .symver assembler directive" >&5 +if eval "test \"`echo '$''{'libc_cv_asm_symver_directive'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + cat > conftest.s <<EOF +.text +_sym: ret +.symver _sym,sym@VERS +EOF +if ${CC-cc} -c $CFLAGS $CPPFLAGS conftest.s 1>&5 2>&5; then + libc_cv_asm_symver_directive=yes +else + libc_cv_asm_symver_directive=no +fi +rm -f conftest* +fi + +echo "$ac_t""$libc_cv_asm_symver_directive" 1>&6 +echo $ac_n "checking for ld --version-script""... $ac_c" 1>&6 +echo "configure:1622: checking for ld --version-script" >&5 +if eval "test \"`echo '$''{'libc_cv_ld_version_script_option'+set}'`\" = set"; then + echo $ac_n "(cached) $ac_c" 1>&6 +else + if test $libc_cv_asm_symver_directive = yes; then + cat > conftest.s <<EOF +.text +_sym: ret +.symver _sym,sym@VERS +EOF + cat > conftest.map <<EOF +VERS { + global: sym; +}; +EOF + if ${CC-cc} -c $CFLAGS $CPPFLAGS conftest.s 1>&5 2>&5; then + if { ac_try='${CC-cc} $CFLAGS --shared -o conftest.so conftest.o + -Wl,--version-script,conftest.map'; { (eval echo configure:1639: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; + then + libc_cv_ld_version_script_option=yes + else + libc_cv_ld_version_script_option=no + fi + else + libc_cv_ld_version_script_option=no + fi +else + libc_cv_ld_version_script_option=no +fi +rm -f conftest* +fi + +echo "$ac_t""$libc_cv_ld_version_script_option" 1>&6 +if test $libc_cv_asm_symver_directive = yes && + test $libc_cv_ld_version_script_option = yes; then + VERSIONING=yes + cat >> confdefs.h <<\EOF +#define DO_VERSIONING 1 +EOF + +else + VERSIONING=no +fi + + if test $elf = yes; then echo $ac_n "checking for .previous assembler directive""... $ac_c" 1>&6 -echo "configure:1604: checking for .previous assembler directive" >&5 +echo "configure:1669: checking for .previous assembler directive" >&5 if eval "test \"`echo '$''{'libc_cv_asm_previous_directive'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1608,7 +1673,7 @@ else .section foo_section .previous EOF - if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:1612: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then + if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:1677: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then libc_cv_asm_previous_directive=yes else libc_cv_asm_previous_directive=no @@ -1624,7 +1689,7 @@ EOF else echo $ac_n "checking for .popsection assembler directive""... $ac_c" 1>&6 -echo "configure:1628: checking for .popsection assembler directive" >&5 +echo "configure:1693: checking for .popsection assembler directive" >&5 if eval "test \"`echo '$''{'libc_cv_asm_popsection_directive'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1632,7 +1697,7 @@ else .pushsection foo_section .popsection EOF - if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:1636: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then + if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:1701: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then libc_cv_asm_popsection_directive=yes else libc_cv_asm_popsection_directive=no @@ -1652,12 +1717,12 @@ fi if test $elf != yes; then echo $ac_n "checking for .init and .fini sections""... $ac_c" 1>&6 -echo "configure:1656: checking for .init and .fini sections" >&5 +echo "configure:1721: checking for .init and .fini sections" >&5 if eval "test \"`echo '$''{'libc_cv_have_initfini'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1661 "configure" +#line 1726 "configure" #include "confdefs.h" int main() { @@ -1666,7 +1731,7 @@ asm (".section .init"); asm (".text"); ; return 0; } EOF -if { (eval echo configure:1670: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then +if { (eval echo configure:1735: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* libc_cv_have_initfini=yes else @@ -1691,19 +1756,19 @@ if test $elf = yes; then libc_cv_asm_underscores=no else echo $ac_n "checking for _ prefix on C symbol names""... $ac_c" 1>&6 -echo "configure:1695: checking for _ prefix on C symbol names" >&5 +echo "configure:1760: checking for _ prefix on C symbol names" >&5 if eval "test \"`echo '$''{'libc_cv_asm_underscores'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF -#line 1700 "configure" +#line 1765 "configure" #include "confdefs.h" asm ("_glibc_foobar:"); int main() { glibc_foobar (); ; return 0; } EOF -if { (eval echo configure:1707: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then +if { (eval echo configure:1772: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* libc_cv_asm_underscores=yes else @@ -1730,7 +1795,7 @@ if test $elf = yes; then libc_cv_asm_weakext_directive=no else echo $ac_n "checking for assembler .weak directive""... $ac_c" 1>&6 -echo "configure:1734: checking for assembler .weak directive" >&5 +echo "configure:1799: checking for assembler .weak directive" >&5 if eval "test \"`echo '$''{'libc_cv_asm_weak_directive'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1753,7 +1818,7 @@ echo "$ac_t""$libc_cv_asm_weak_directive" 1>&6 if test $libc_cv_asm_weak_directive = no; then echo $ac_n "checking for assembler .weakext directive""... $ac_c" 1>&6 -echo "configure:1757: checking for assembler .weakext directive" >&5 +echo "configure:1822: checking for assembler .weakext directive" >&5 if eval "test \"`echo '$''{'libc_cv_asm_weakext_directive'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1790,7 +1855,7 @@ EOF fi echo $ac_n "checking for ld --no-whole-archive""... $ac_c" 1>&6 -echo "configure:1794: checking for ld --no-whole-archive" >&5 +echo "configure:1859: checking for ld --no-whole-archive" >&5 if eval "test \"`echo '$''{'libc_cv_ld_no_whole_archive'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1801,7 +1866,7 @@ __throw () {} EOF if { ac_try='${CC-cc} $CFLAGS -nostdlib -nostartfiles -Wl,--no-whole-archive - -o conftest conftest.c'; { (eval echo configure:1805: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then + -o conftest conftest.c'; { (eval echo configure:1870: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then libc_cv_ld_no_whole_archive=yes else libc_cv_ld_no_whole_archive=no @@ -1812,7 +1877,7 @@ fi echo "$ac_t""$libc_cv_ld_no_whole_archive" 1>&6 echo $ac_n "checking for gcc -fno-exceptions""... $ac_c" 1>&6 -echo "configure:1816: checking for gcc -fno-exceptions" >&5 +echo "configure:1881: checking for gcc -fno-exceptions" >&5 if eval "test \"`echo '$''{'libc_cv_gcc_no_exceptions'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1823,7 +1888,7 @@ __throw () {} EOF if { ac_try='${CC-cc} $CFLAGS -nostdlib -nostartfiles -fno-exceptions - -o conftest conftest.c'; { (eval echo configure:1827: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then + -o conftest conftest.c'; { (eval echo configure:1892: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then libc_cv_gcc_no_exceptions=yes else libc_cv_gcc_no_exceptions=no @@ -1875,7 +1940,7 @@ if test "$uname" = generic; then fi echo $ac_n "checking OS release for uname""... $ac_c" 1>&6 -echo "configure:1879: checking OS release for uname" >&5 +echo "configure:1944: checking OS release for uname" >&5 if eval "test \"`echo '$''{'libc_cv_uname_release'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1897,7 +1962,7 @@ echo "$ac_t""$libc_cv_uname_release" 1>&6 uname_release="$libc_cv_uname_release" echo $ac_n "checking OS version for uname""... $ac_c" 1>&6 -echo "configure:1901: checking OS version for uname" >&5 +echo "configure:1966: checking OS version for uname" >&5 if eval "test \"`echo '$''{'libc_cv_uname_version'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else @@ -1919,7 +1984,7 @@ else fi echo $ac_n "checking stdio selection""... $ac_c" 1>&6 -echo "configure:1923: checking stdio selection" >&5 +echo "configure:1988: checking stdio selection" >&5 case $stdio in libio) cat >> confdefs.h <<\EOF @@ -2138,6 +2203,7 @@ s%@BASH@%$BASH%g s%@libc_cv_have_bash2@%$libc_cv_have_bash2%g s%@KSH@%$KSH%g s%@libc_cv_have_ksh@%$libc_cv_have_ksh%g +s%@VERSIONING@%$VERSIONING%g s%@libc_cv_have_initfini@%$libc_cv_have_initfini%g s%@libc_cv_ld_no_whole_archive@%$libc_cv_ld_no_whole_archive%g s%@libc_cv_gcc_no_exceptions@%$libc_cv_gcc_no_exceptions%g |