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| author | Joseph Myers <joseph@codesourcery.com> | 2012-03-08 00:17:27 +0000 |
|---|---|---|
| committer | Joseph Myers <joseph@codesourcery.com> | 2012-03-08 00:17:27 +0000 |
| commit | 07037eeb43ca1e0ac2802e3a1492cecf869c63c6 (patch) | |
| tree | 83e74c69cd8497be987abe3e2e058fb3a62cb278 /configure.in | |
| parent | af6a1e37554a1245d468ffe44d2c981998a4e0eb (diff) | |
| download | glibc-07037eeb43ca1e0ac2802e3a1492cecf869c63c6.zip glibc-07037eeb43ca1e0ac2802e3a1492cecf869c63c6.tar.gz glibc-07037eeb43ca1e0ac2802e3a1492cecf869c63c6.tar.bz2 | |
Fix .ctors/.dtors header configure test for bootstrapping.
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 25 |
1 files changed, 9 insertions, 16 deletions
diff --git a/configure.in b/configure.in index 7ebeba4..ee9e3d8 100644 --- a/configure.in +++ b/configure.in @@ -1349,24 +1349,17 @@ fi AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support, libc_cv_initfini_array, [dnl -cat > conftest.c <<EOF -int _start (void) { return 0; } -int __start (void) { return 0; } +LIBC_TRY_LINK_STATIC([ int foo (void) { return 1; } int (*fp) (void) __attribute__ ((section (".init_array"))) = foo; -EOF -if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c - -static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD]) -then - if $READELF -S conftest | fgrep INIT_ARRAY > /dev/null; then +], + [if $READELF -S conftest | fgrep INIT_ARRAY > /dev/null; then libc_cv_initfini_array=yes else libc_cv_initfini_array=no - fi -else - libc_cv_initfini_array=no -fi -rm -f conftest*]) + fi], + [libc_cv_initfini_array=no]) +]) if test $libc_cv_initfini_array != yes; then AC_MSG_ERROR([Need linker with .init_array/.fini_array support.]) fi @@ -1374,9 +1367,9 @@ fi AC_CACHE_CHECK(whether to use .ctors/.dtors header and trailer, libc_cv_ctors_header, [dnl libc_cv_ctors_header=yes - AC_TRY_LINK([], [ -__attribute__ ((constructor)) void ctor (void) { puts("ctor"); } -__attribute__ ((destructor)) void dtor (void) { puts("dtor"); } + LIBC_TRY_LINK_STATIC([ +__attribute__ ((constructor)) void ctor (void) { asm (""); } +__attribute__ ((destructor)) void dtor (void) { asm (""); } ], [dnl AS_IF([$READELF -WS conftest$ac_exeext | $AWK ' |