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| author | Roland McGrath <roland@hack.frob.com> | 2011-06-27 20:39:05 -0700 |
|---|---|---|
| committer | Roland McGrath <roland@hack.frob.com> | 2011-06-27 20:39:05 -0700 |
| commit | 62bede1313c3a1fa477a092006d64436de6821b1 (patch) | |
| tree | 5ff88fe2b97e263a987a13190cfbce5aa48f11e9 | |
| parent | 78a7eee7fab0802addf500c481335ed6e9899bda (diff) | |
| download | glibc-62bede1313c3a1fa477a092006d64436de6821b1.tar.gz glibc-62bede1313c3a1fa477a092006d64436de6821b1.tar.xz glibc-62bede1313c3a1fa477a092006d64436de6821b1.zip | |
Distinguish configure check for .ctors/.dtors header/trailers.
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rwxr-xr-x | configure | 18 | ||||
| -rw-r--r-- | configure.in | 12 |
3 files changed, 32 insertions, 2 deletions
diff --git a/ChangeLog b/ChangeLog index 94dac81fab..76779f3993 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2011-06-27 Roland McGrath <roland@hack.frob.com> + * configure.in (NO_CTORS_DTORS_SECTIONS): Give this check its own + AC_CACHE_CHECK invocation. + * configure: Regenerated. + * elf/soinit.c (__CTOR_LIST__, __DTOR_LIST__): Add used attribute. 2011-06-27 Ulrich Drepper <drepper@gmail.com> diff --git a/configure b/configure index 1db57ae38c..7814072a81 100755 --- a/configure +++ b/configure @@ -6111,12 +6111,28 @@ fi $as_echo "$libc_cv_initfini_array" >&6; } if test $libc_cv_initfini_array != yes; then as_fn_error $? "Need linker with .init_array/.fini_array support." "$LINENO" 5 - elif { ac_try='${CC-cc} -Wl,--verbose 2>&1|grep SORT_BY_INIT_PRIORITY 1>&5' + fi + + { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether to use .ctors/.dtors header and trailer" >&5 +$as_echo_n "checking whether to use .ctors/.dtors header and trailer... " >&6; } +if ${libc_cv_ctors_header+:} false; then : + $as_echo_n "(cached) " >&6 +else + if { ac_try='${CC-cc} -Wl,--verbose 2>&1|grep SORT_BY_INIT_PRIORITY 1>&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 + libc_cv_ctors_header=no + else + libc_cv_ctors_header=yes + fi +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_ctors_header" >&5 +$as_echo "$libc_cv_ctors_header" >&6; } + + if test $libc_cv_ctors_header = no; then $as_echo "#define NO_CTORS_DTORS_SECTIONS 1" >>confdefs.h fi diff --git a/configure.in b/configure.in index d3f5210316..fc2a193321 100644 --- a/configure.in +++ b/configure.in @@ -1479,7 +1479,17 @@ EOF rm -f conftest*]) if test $libc_cv_initfini_array != yes; then AC_MSG_ERROR([Need linker with .init_array/.fini_array support.]) - elif AC_TRY_COMMAND([${CC-cc} -Wl,--verbose 2>&1|grep SORT_BY_INIT_PRIORITY 1>&AS_MESSAGE_LOG_FD]); then + fi + + AC_CACHE_CHECK(whether to use .ctors/.dtors header and trailer, + libc_cv_ctors_header, [dnl + if AC_TRY_COMMAND([${CC-cc} -Wl,--verbose 2>&1|grep SORT_BY_INIT_PRIORITY 1>&AS_MESSAGE_LOG_FD]); then + libc_cv_ctors_header=no + else + libc_cv_ctors_header=yes + fi]) + + if test $libc_cv_ctors_header = no; then AC_DEFINE(NO_CTORS_DTORS_SECTIONS) fi |