Without -no-undefined, DLLs are not created on OS/2. Without -avoid-version, M4 cannot load modules. Because on OS/2, links without version-info to DLLs with version-info are not created, however m4 tries to load modules without version-info.
* Makefile.am (AM_LDFLAGS): Add OS2_LDFLAGS. (module_ldflags): Add -avoid-version on OS/2. * configure.ac (OS2_LDFLAGS): Add -no-undefined on *-*-os2*. (HAVE_OS2): Define it on os2*. --- Makefile.am | 5 ++++- configure.ac | 5 +++++ 2 files changed, 9 insertions(+), 1 deletion(-) diff --git a/Makefile.am b/Makefile.am index e9ec90d..72bdfab 100644 --- a/Makefile.am +++ b/Makefile.am @@ -41,7 +41,7 @@ changelog_old = $(srcdir)/ChangeLog.old # See http://lists.gnu.org/archive/html/libtool-patches/2007-02/msg00062.html AM_CPPFLAGS = -I$(srcdir) -I. AM_CFLAGS = $(WARN_CFLAGS) $(WERROR_CFLAGS) -AM_LDFLAGS = -export-dynamic -export-symbols-regex ".*" +AM_LDFLAGS = -export-dynamic -export-symbols-regex ".*" $(OS2_LDFLAGS) EXTRA_DIST = BUILT_SOURCES = CLEANFILES = @@ -149,6 +149,9 @@ MOSTLYCLEANFILES += src/getopt.h src/getopt.h-t ## -------- ## module_ldflags = -module $(AM_LDFLAGS) +if HAVE_OS2 +module_ldflags += -avoid-version +endif module_libadd = m4/libm4.la noinst_HEADERS = modules/m4.h diff --git a/configure.ac b/configure.ac index 2fe6d9e..d05f637 100644 --- a/configure.ac +++ b/configure.ac @@ -275,6 +275,11 @@ AM_CONDITIONAL([USE_GMP], [test "x$USE_GMP" = xyes]) M4_SYSCMD +AS_CASE([$host], [*-*-os2*], [OS2_LDFLAGS="-no-undefined"]) +AC_SUBST([OS2_LDFLAGS]) +AM_CONDITIONAL([HAVE_OS2], [test -z "${host_os##os2*}"]) + + ## -------- ## ## Outputs. ## ## -------- ## -- 1.8.5.2 _______________________________________________ M4-patches mailing list M4-patches@gnu.org https://lists.gnu.org/mailman/listinfo/m4-patches
