Changeset 168 for trunk/aclocal.m4

Timestamp:

Mar 15, 2008, 10:02:21 PM (17 years ago)

Author:

katerina

Message:

Zlib autoconf macro, bugfix in sh_strings.c

File:

• trunk/aclocal.m4 (modified) (1 diff)

trunk/aclocal.m4

@@ -1860 +1860 @@
 ])dnl ACX_PTHREAD
 
+
+
+
+dnl Copyright © 2004 Loic Dachary <loic@senga.org>
+dnl
+dnl This program is free software; you can redistribute it and/or modify 
+dnl it under the terms of the GNU General Public License as published by 
+dnl the Free Software Foundation; either version 2 of the License, or (at 
+dnl your option) any later version.
+dnl
+dnl Use ZLIB_HOME instead of option
+
+AC_DEFUN([CHECK_ZLIB],[
+
+if test "x${ZLIB_HOME}" = "x"; then 
+        ZLIB_HOME=/usr/local
+        if test ! -f "${ZLIB_HOME}/include/zlib.h"
+        then
+                ZLIB_HOME=/usr
+        fi
+fi
+
+zlib_found=no
+
+ZLIB_OLD_LDFLAGS=$LDFLAGS
+ZLIB_OLD_CPPFLAGS=$LDFLAGS
+if test "x${ZLIB_HOME}" = "x/usr"; then
+        :
+else
+        LDFLAGS="$LDFLAGS -L${ZLIB_HOME}/lib"
+        CPPFLAGS="$CPPFLAGS -I${ZLIB_HOME}/include"
+fi
+AC_LANG_SAVE
+AC_LANG_C
+AC_CHECK_LIB(z, inflateEnd, [zlib_cv_libz=yes], [zlib_cv_libz=no])
+AC_CHECK_HEADER(zlib.h, [zlib_cv_zlib_h=yes], [zlib_cv_zlib_h=no])
+AC_LANG_RESTORE
+if test "$zlib_cv_libz" = "yes" -a "$zlib_cv_zlib_h" = "yes"
+then
+        #
+        # If both library and header were found, use them
+        #
+        AC_CHECK_LIB(z, inflateEnd)
+        AC_MSG_CHECKING([zlib in ${ZLIB_HOME}])
+        AC_MSG_RESULT(ok)
+        zlib_found=yes
+else
+        #
+        # If either header or library was not found, revert and bomb
+        #
+        AC_MSG_CHECKING(zlib in ${ZLIB_HOME})
+        LDFLAGS="$ZLIB_OLD_LDFLAGS"
+        CPPFLAGS="$ZLIB_OLD_CPPFLAGS"
+        AC_MSG_RESULT(failed)
+        AC_MSG_ERROR([zlib not found in ZLIB_HOME, /usr/local, or /usr])
+fi
+
+])
+
+
 dnl *-*wedit:notab*-*  Please keep this as the last line.