diff options
| author | Roland McGrath <roland@gnu.org> | 2000-03-27 18:20:47 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2000-03-27 18:20:47 +0000 |
| commit | 7d520be8a7a92d72f0c65db3d5a2e4a0cf6c8914 (patch) | |
| tree | 9cf6821ee670f644f974ccd394a7ac7847b5eb45 | |
| parent | 6e5801f728a121cc002d7f6912dab2d9b60a3743 (diff) | |
2000-03-27 Roland McGrath <roland@baalperazim.frob.com>
* configure.in (VERSIONING): New check for ld --version-script.
* config.make.in (VERSIONING): New variable, set by configure.
| -rw-r--r-- | config.make.in | 3 | ||||
| -rw-r--r-- | configure.in | 31 |
2 files changed, 33 insertions, 1 deletions
diff --git a/config.make.in b/config.make.in index c9371150..7bbd768e 100644 --- a/config.make.in +++ b/config.make.in @@ -48,6 +48,9 @@ CPPFLAGS += @CPPFLAGS@ @DEFS@ CFLAGS += @CFLAGS@ LDFLAGS += @LDFLAGS@ +# `yes' or `no' to indicate if ld --version-script is available. +VERSIONING = @VERSIONING@ + # If a separate libcrypt is available, use it. LIBCRYPT = @LIBCRYPT@ diff --git a/configure.in b/configure.in index 9d65bb88..ed80813a 100644 --- a/configure.in +++ b/configure.in @@ -1,5 +1,5 @@ dnl Process this file with autoconf to produce a configure script. -AC_REVISION([$Id: configure.in,v 1.17 1999/09/19 18:53:26 roland Exp $]) +AC_REVISION([$Id: configure.in,v 1.18 2000/03/27 18:20:47 roland Exp $]) AC_PREREQ(2.12) dnl Minimum Autoconf version required. AC_INIT(hurd/hurd_types.h) dnl A distinctive file to look for in srcdir. @@ -68,6 +68,35 @@ AC_SUBST(CFLAGS) AC_SUBST(CPPFLAGS) AC_SUBST(LDFLAGS) AC_CHECK_LIB(crypt, crypt, LIBCRYPT=-lcrypt) AC_SUBST(LIBCRYPT) +# See if --version-script is available. +AC_CACHE_CHECK(for ld --version-script, hurd_cv_ld_version_script_option, [dnl +cat > conftest.c <<\EOF +void foobar() {} +EOF +cat > conftest.map <<\EOF +VERS_1 { + global: sym; +}; + +VERS_2 { + global: sym; +} VERS_1; +EOF + +if AC_TRY_COMMAND([eval $ac_compile 1>&AC_FD_CC]) && + AC_TRY_COMMAND([${CC-cc} $CFLAGS -shared -o conftest.so conftest.o + -nostartfiles -nostdlib + -Wl,--version-script,conftest.map + 1>&AC_FD_CC]); then + hurd_cv_ld_version_script_option=yes +else + hurd_cv_ld_version_script_option=no +fi +rm -f conftest*]) +VERSIONING=$hurd_cv_ld_version_script_option +AC_SUBST(VERSIONING) + + if test -f ./$ac_unique_file; then # Configuring in source directory; don't create any Makefiles. makefiles= |