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| author | Jeff Johnston <jjohnstn@redhat.com> | 2005-01-07 18:04:39 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2005-01-07 18:04:39 +0000 |
| commit | f7a74742e69119d7133c8d9619ae94175faed068 (patch) | |
| tree | 526a24a1f892045b2e52bec5a0ee8ba743ee32be /newlib/configure.in | |
| parent | 35310094a18515e7b0be818abbff262f6718f849 (diff) | |
| download | newlib-f7a74742e69119d7133c8d9619ae94175faed068.zip newlib-f7a74742e69119d7133c8d9619ae94175faed068.tar.gz newlib-f7a74742e69119d7133c8d9619ae94175faed068.tar.bz2 | |
2005-01-07 Paul Brook <paul@codesourcery.com>
* configure.in: Add test for .init_array.
* configure: Regenerate.
* newlib.hin: Add HAVE_INITFINI_ARRAY.
* libc/misc/Makefile.am: Add init.c
* libc/misc/Makefile.in: Regenerate.
* libc/misc/init.c: New file.
* libc/sys/arm/crt0.S: Call __libc_{init,fini}_array instead of
_init/_fini if they exist.
Diffstat (limited to 'newlib/configure.in')
| -rw-r--r-- | newlib/configure.in | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/newlib/configure.in b/newlib/configure.in index dbc4cb5..d666136 100644 --- a/newlib/configure.in +++ b/newlib/configure.in @@ -329,6 +329,31 @@ if test "x${iconv_encodings}" != "x" \ done fi; +AC_CACHE_CHECK(for .preinit_array/.init_array/.fini_array support, + libc_cv_initfinit_array, [dnl +cat > conftest.c <<EOF +int _start (void) { return 0; } +int __start (void) { return 0; } +int foo (void) { return 1; } +int (*fp) (void) __attribute__ ((section (".init_array"))) = foo; +EOF +if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c + -static -nostartfiles -nostdlib 1>&AS_MESSAGE_LOG_FD]) +then + if readelf -S conftest | grep -e INIT_ARRAY > /dev/null; then + libc_cv_initfinit_array=yes + else + libc_cv_initfinit_array=no + fi +else + libc_cv_initfinit_array=no +fi +rm -f conftest*]) +AC_SUBST(libc_cv_initfinit_array) +if test $libc_cv_initfinit_array = yes; then + AC_DEFINE_UNQUOTED(HAVE_INITFINI_ARRAY) +fi + AC_OUTPUT(Makefile, [if test -n "$CONFIG_FILES"; then unset ac_file |