Hi, although I have not investigated this further, libtool appears to be able to derive the language of the code that is being compiled from the name of the compiler in some cases, e.g. for gcc or g++.
With clang and clang++ this does not seem to be the case, so that --tag=CC needs to be passed explicitly. I've attached patches that do just that. With both patches applied, clang compiles and links apr 1.4.5 and apr-util 1.4.1 just fine; they pass their respective test suites afterwards, too. Best regards, Elias Pipping
Source: Elias Pipping <[email protected]> Upstream: no Reason: Pass --tag=CC to libtool --- configure.in | 4 ++-- test/Makefile.in | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) diff --git a/configure.in b/configure.in index 9c20dd7..ec9fd96 100644 --- a/configure.in +++ b/configure.in @@ -281,9 +281,9 @@ AC_ARG_WITH(libtool, [ --without-libtool avoid using libtool to link the [ use_libtool=$withval ], [ use_libtool="yes" ] ) if test "x$use_libtool" = "xyes"; then - lt_compile='$(LIBTOOL) $(LTFLAGS) --mode=compile $(COMPILE) -o $@ -c $< && touch $@' + lt_compile='$(LIBTOOL) $(LTFLAGS) --tag=CC --mode=compile $(COMPILE) -o $@ -c $< && touch $@' LT_VERSION="-version-info `$get_version libtool $version_hdr APR`" - link="\$(LIBTOOL) \$(LTFLAGS) --mode=link \$(LT_LDFLAGS) \$(COMPILE) \$(LT_VERSION) \$(ALL_LDFLAGS) -o \$@" + link="\$(LIBTOOL) \$(LTFLAGS) --tag=CC --mode=link \$(LT_LDFLAGS) \$(COMPILE) \$(LT_VERSION) \$(ALL_LDFLAGS) -o \$@" so_ext='lo' lib_target='-rpath $(libdir) $(OBJECTS)' export_lib_target='-rpath \$(libdir) \$(OBJECTS)' diff --git a/test/Makefile.in b/test/Makefile.in index b371074..f711c40 100644 --- a/test/Makefile.in +++ b/test/Makefile.in @@ -67,7 +67,7 @@ INCLUDES=-I$(INCDIR) -I$(srcdir)/../include # link programs using -no-install to get real executables not # libtool wrapper scripts which link an executable when first run. -LINK_PROG = $(LIBTOOL) $(LTFLAGS) --mode=link $(LT_LDFLAGS) $(COMPILE) \ +LINK_PROG = $(LIBTOOL) $(LTFLAGS) --tag=CC --mode=link $(LT_LDFLAGS) $(COMPILE) \ @LT_NO_INSTALL@ $(ALL_LDFLAGS) -o $@ # STDTEST_PORTABLE; @@ -115,18 +115,18 @@ globalmutexchild@EXEEXT@: $(OBJECTS_globalmutexchild) # Note -prefer-pic is only supported with libtool-1.4+ mod_test.lo: $(srcdir)/mod_test.c - $(LIBTOOL) $(LTFLAGS) --mode=compile $(COMPILE) -prefer-pic -o $@ \ + $(LIBTOOL) $(LTFLAGS) --tag=CC --mode=compile $(COMPILE) -prefer-pic -o $@ \ -c $(srcdir)/mod_test.c OBJECTS_mod_test = mod_test.lo mod_test.la: $(OBJECTS_mod_test) - $(LIBTOOL) $(LTFLAGS) --mode=link $(COMPILE) -rpath `pwd` -module \ + $(LIBTOOL) $(LTFLAGS) --tag=CC --mode=link $(COMPILE) -rpath `pwd` -module \ -avoid-version $(LT_LDFLAGS) $(ALL_LDFLAGS) -o $@ \ $(OBJECTS_mod_test) OBJECTS_libmod_test = mod_test.lo $(LOCAL_LIBS) libmod_test.la: $(OBJECTS_libmod_test) - $(LIBTOOL) $(LTFLAGS) --mode=link $(COMPILE) -rpath `pwd` \ + $(LIBTOOL) $(LTFLAGS) --tag=CC --mode=link $(COMPILE) -rpath `pwd` \ -avoid-version $(LT_LDFLAGS) $(ALL_LDFLAGS) -o $@ \ $(OBJECTS_libmod_test) $(ALL_LIBS) -- 1.7.8
Source: Elias Pipping <[email protected]> Upstream: no Reason: Pass --tag=CC to libtool --- test/Makefile.in | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/test/Makefile.in b/test/Makefile.in index cf89a54..9a4ca42 100644 --- a/test/Makefile.in +++ b/test/Makefile.in @@ -34,7 +34,7 @@ APRUTIL_LDFLAGS = $(ALL_LDFLAGS) @LT_NO_INSTALL@ @APRUTIL_LDFLAGS@ # link programs using -no-install to get real executables not # libtool wrapper scripts which link an executable when first run. -LINK_PROG = $(LIBTOOL) $(LTFLAGS) --mode=link $(LT_LDFLAGS) $(COMPILE) \ +LINK_PROG = $(LIBTOOL) $(LTFLAGS) --tag=CC --mode=link $(LT_LDFLAGS) $(COMPILE) \ $(APRUTIL_LDFLAGS) -o $@ # STDTEST_PORTABLE; -- 1.7.8
