I've been trying to build libcurl with clang on Darwin and ran into some issues
with the GSSAPI tests in configure.ac. The tests first try to determine the
include dirs and libs and set CPPFLAGS and LIBS accordingly. It then checks for
the headers and finally sets LIBS a second time, causing the libs to be
included twice. The first setting of LIBS seems redundant and should be left
out, since the first part is otherwise just about finding headers.
My second issue is that 'krb5-config --libs gssapi' on Darwin is less than
useless and returns junk that, while it happens to work with gcc, causes clang
to choke. For example, --libs returns $CFLAGS along with the libs, which is
really retarded. Simply setting 'LIBS="$LIBS -lgssapi_krb5 -lresolv"' on Darwin
is sufficient.
I've included a patch to implement these changes.
Thanks
Daniel
Index: configure.ac
===================================================================
RCS file: /cvsroot/curl/curl/configure.ac,v
retrieving revision 1.452
diff -u -r1.452 configure.ac
--- configure.ac 4 Feb 2010 14:40:11 -0000 1.452
+++ configure.ac 17 Feb 2010 17:31:20 -0000
@@ -1123,15 +1123,12 @@
if test -z "$GSSAPI_INCS"; then
if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
GSSAPI_INCS=`$GSSAPI_ROOT/bin/krb5-config --cflags gssapi`
- GSSAPI_LIBS=`$GSSAPI_ROOT/bin/krb5-config --libs gssapi`
elif test "$GSSAPI_ROOT" != "yes"; then
GSSAPI_INCS="-I$GSSAPI_ROOT/include"
- GSSAPI_LIBS="-lgssapi"
fi
fi
CPPFLAGS="$CPPFLAGS $GSSAPI_INCS"
- LIBS="$LIBS $GSSAPI_LIBS"
AC_CHECK_HEADER(gss.h,
[
@@ -1198,17 +1195,24 @@
LDFLAGS="$LDFLAGS $GSSAPI_LIB_DIR"
LIBS="$LIBS -lgss"
elif test -z "$GSSAPI_LIB_DIR"; then
- if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
- dnl krb5-config doesn't have --libs-only-L or similar, put everything
- dnl into LIBS
- gss_libs=`$GSSAPI_ROOT/bin/krb5-config --libs gssapi`
- LIBS="$LIBS $gss_libs"
- elif test "$GSSAPI_ROOT" != "yes"; then
- LDFLAGS="$LDFLAGS -L$GSSAPI_ROOT/lib$libsuff"
- LIBS="$LIBS -lgssapi"
- else
- LIBS="$LIBS -lgssapi"
- fi
+ case $host in
+ *-*-darwin*)
+ LIBS="$LIBS -lgssapi_krb5 -lresolv"
+ ;;
+ *)
+ if test -f "$GSSAPI_ROOT/bin/krb5-config"; then
+ dnl krb5-config doesn't have --libs-only-L or similar, put
everything
+ dnl into LIBS
+ gss_libs=`$GSSAPI_ROOT/bin/krb5-config --libs gssapi`
+ LIBS="$LIBS $gss_libs"
+ elif test "$GSSAPI_ROOT" != "yes"; then
+ LDFLAGS="$LDFLAGS -L$GSSAPI_ROOT/lib$libsuff"
+ LIBS="$LIBS -lgssapi"
+ else
+ LIBS="$LIBS -lgssapi"
+ fi
+ ;;
+ esac
else
LDFLAGS="$LDFLAGS $GSSAPI_LIB_DIR"
LIBS="$LIBS -lgssapi"
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