Unbreak zlib configure check.

diff --git a/configure.ac b/configure.ac
index b6a0c6c..f1ac70b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -276,7 +276,7 @@ addlib() {
 }
 
 #=================
-# Check for zlib library. Prefer internal, otherwise external.
+# Check for zlib library. 
 
 WITH_ZLIB_SUBDIR=
 WITH_ZLIB_INCLUDE=
@@ -285,7 +285,7 @@ WITH_ZLIB_LIB=
 if test -z "${WITH_ZLIB_LIB}" ; then
   for zlib in z gz ; do
    AC_CHECK_LIB(${zlib}, gzread, 
-       [LIBS="$LIBS -l${zlib}"; break], 
+       [WITH_ZLIB_LIB="-l${zlib}"; break], 
        [if test ${zlib} = gz; then 
            AC_MSG_ERROR([sorry rpm requires libz.a or libgz.a (from the zlib package)]) 
         fi]
@@ -296,6 +296,10 @@ dnl zlib-1.0.4 has not gzseek
   AC_CHECK_LIB(${zlib}, gzseek, [AC_DEFINE(HAVE_GZSEEK, 1, [Define as 1 if your zlib has gzseek()])])
 fi
 
+AC_SUBST(WITH_ZLIB_SUBDIR)
+AC_SUBST(WITH_ZLIB_INCLUDE)
+AC_SUBST(WITH_ZLIB_LIB)
+
 #=================
 # Check for bzip2 library. Prefer external, otherwise none.