commit 571db950d199b3e203e1df3475a2b9063ee86dba
author Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Thu Dec 09 06:03:03 2010 -0600
committer Glenn Randers-Pehrson <glennrp at users.sourceforge.net> Thu Dec 09 06:03:03 2010 -0600
tree fc7a71a2d88dbc4e05093e96b8a330c0eecb90f7
parent 15c9be10b368d495b9a958bd2991a8ef55215f74

[devel] Added "--with-zprefix=<string>" to configure.ac

configure.ac

diff --git a/configure.ac b/configure.ac
index c9d1119..8fd400f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -57,7 +57,15 @@
 AC_FUNC_STRTOD
 AC_CHECK_FUNCS([memset], , AC_ERROR([memset not found in libc]))
 AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) )
-AC_CHECK_LIB(z, zlibVersion, , AC_ERROR([zlib not installed]))
+AC_ARG_WITH(zprefix,
+   AC_HELP_STRING([--with-zprefix],
+                  [prefix that may have been used in installed zlib]),
+                  [zprefix=${withval}],
+                  [zprefix='z_'])
+AC_CHECK_LIB(z, zlibVersion, ,
+    AC_CHECK_LIB(z, ${zprefix}zlibVersion, ,
+                 AC_ERROR([zlib not installed])))
+
 
 LIBPNG_DEFINES=-DPNG_CONFIGURE_LIBPNG
 LIBPNG_DEFINES=$LIBPNG_DEFINES