zlib conf fix, header case fix

[shibboleth/cpp-opensaml.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 029d1fd..965037e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -55,6 +55,8 @@ AC_TYPE_SIZE_T
 # Checks for library functions.
 AC_CHECK_FUNCS([strchr strdup strstr])
 
+AC_CHECK_SIZEOF(time_t)
+
 # libcurl settings
 AC_PATH_PROG(CURL_CONFIG,curl-config)
 AC_ARG_WITH(curl,
@@ -78,6 +80,19 @@ AC_EGREP_HEADER([CURLOPT_SSL_CTX_FUNCTION], [curl/curl.h],
                [AC_MSG_RESULT(yes)],
                [AC_MSG_ERROR([need libcurl that supports CURLOPT_SSL_CTX_FUNCTION])])
 
+# zlib settings
+AC_ARG_WITH(zlib,
+       AC_HELP_STRING([--with-zlib=PATH], [where zlib is installed]),
+       [
+               if test -d "$withval"; then
+                       CPPFLAGS="${CPPFLAGS} -I$withval/include"
+                       LDFLAGS="${LDFLAGS} -L$withval/lib"
+               fi
+       ]
+)
+AC_CHECK_HEADER([zlib.h],,AC_MSG_ERROR([unable to find zlib header files]))
+AC_CHECK_LIB([z],[deflateInit2_],,AC_MSG_ERROR([unable to link with zlib library]))
+
 AC_LANG(C++)
 
 # C++ requirements