pandora-build v0.74

[awesomized/libmemcached] / m4 / pandora_have_libpcre.m4

diff --git a/m4/pandora_have_libpcre.m4 b/m4/pandora_have_libpcre.m4
new file mode 100644 (file)
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+++ b/m4/pandora_have_libpcre.m4
@@ -0,0 +1,73 @@
+dnl  Copyright (C) 2009 Sun Microsystems
+dnl This file is free software; Sun Microsystems
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+#--------------------------------------------------------------------
+# Check for libpcre
+#--------------------------------------------------------------------
+
+
+AC_DEFUN([_PANDORA_SEARCH_LIBPCRE],[
+  AC_REQUIRE([AC_LIB_PREFIX])
+
+  AC_LIB_HAVE_LINKFLAGS(pcre,,
+  [#include <pcre.h>],
+  [
+    pcre *re= NULL;
+    pcre_version();
+  ])
+  AS_IF([test "x$ac_cv_libpcre" = "xno"],
+  [
+    unset ac_cv_libpcre
+    unset HAVE_LIBPCRE
+    unset LIBPCRE
+    unset LIBPCRE_PREFIX
+    unset LTLIBPCRE
+    AC_LIB_HAVE_LINKFLAGS(pcre,,
+    [#include <pcre/pcre.h>],
+    [
+      pcre *re= NULL;
+      pcre_version();
+    ])
+    AS_IF([test "x$ac_cv_libpcre" = "xyes"], [
+      ac_cv_pcre_location="<pcre/pcre.h>"
+    ])
+  ],[
+    ac_cv_pcre_location="<pcre.h>"
+  ])
+
+  AM_CONDITIONAL(HAVE_LIBPCRE, [test "x${ac_cv_libpcre}" = "xyes"])
+])
+
+AC_DEFUN([_PANDORA_HAVE_LIBPCRE],[
+
+  AC_ARG_ENABLE([libpcre],
+    [AS_HELP_STRING([--disable-libpcre],
+      [Build with libpcre support @<:@default=on@:>@])],
+    [ac_enable_libpcre="$enableval"],
+    [ac_enable_libpcre="yes"])
+
+  _PANDORA_SEARCH_LIBPCRE
+])
+
+
+AC_DEFUN([PANDORA_HAVE_LIBPCRE],[
+  AC_REQUIRE([_PANDORA_HAVE_LIBPCRE])
+])
+
+AC_DEFUN([_PANDORA_REQUIRE_LIBPCRE],[
+  ac_enable_libpcre="yes"
+  _PANDORA_SEARCH_LIBPCRE
+
+  AS_IF([test x$ac_cv_libpcre = xno],[
+    AC_MSG_ERROR([libpcre is required for ${PACKAGE}. On Debian this can be found in libpcre3-dev. On RedHat this can be found in pcre-devel.])
+  ],[
+    AC_DEFINE_UNQUOTED(PCRE_HEADER,[${ac_cv_pcre_location}],
+                       [Location of pcre header])
+  ])
+])
+
+AC_DEFUN([PANDORA_REQUIRE_LIBPCRE],[
+  AC_REQUIRE([_PANDORA_REQUIRE_LIBPCRE])
+])