From 4b6829f0d28990dd645e16386eb226d0f10c8731 Mon Sep 17 00:00:00 2001
From: shiqian <shiqian@861a406c-534a-0410-8894-cb66d6ee9925>
Date: Thu, 3 Jul 2008 22:38:12 +0000
Subject: Initial import.

git-svn-id: http://googletest.googlecode.com/svn/trunk@40 861a406c-534a-0410-8894-cb66d6ee9925
---
 m4/gtest.m4 | 61 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 m4/gtest.m4

(limited to 'm4')

diff --git a/m4/gtest.m4 b/m4/gtest.m4
new file mode 100644
index 0000000..ebb488a
--- /dev/null
+++ b/m4/gtest.m4
@@ -0,0 +1,61 @@
+dnl GTEST_LIB_CHECK([minimum version [,
+dnl                  action if found [,action if not found]]])
+dnl
+dnl Check for the presence of the Google Test library, optionally at a minimum
+dnl version, and indicate a viable version with the HAVE_GTEST flag. It defines
+dnl standard variables for substitution including GTEST_CPPFLAGS,
+dnl GTEST_CXXFLAGS, GTEST_LDFLAGS, and GTEST_LIBS. It also defines
+dnl GTEST_VERSION as the version of Google Test found. Finally, it provides
+dnl optional custom action slots in the event GTEST is found or not.
+AC_DEFUN([GTEST_LIB_CHECK],
+[
+dnl Provide a flag to enable or disable Google Test usage.
+AC_ARG_ENABLE([gtest],
+  [AS_HELP_STRING([--enable-gtest],
+                  [Enable tests using the Google C++ Testing Framework.]
+                  [(Default is enabled.)])],
+  [],
+  [enable_gtest=check])
+AC_ARG_VAR([GTEST_CONFIG],
+           [The exact path of Google Test's 'gtest-config' script.])
+AC_ARG_VAR([GTEST_CPPFLAGS],
+           [C-like preprocessor flags for Google Test.])
+AC_ARG_VAR([GTEST_CXXFLAGS],
+           [C++ compile flags for Google Test.])
+AC_ARG_VAR([GTEST_LDFLAGS],
+           [Linker path and option flags for Google Test.])
+AC_ARG_VAR([GTEST_LIBS],
+           [Library linking flags for Google Test.])
+AC_ARG_VAR([GTEST_VERSION],
+           [The version of Google Test available.])
+HAVE_GTEST="no"
+AS_IF([test "x$enable_gtest" != "xno"],
+  [AC_PATH_PROG([GTEST_CONFIG], [gtest-config])
+   AS_IF([test -x "$GTEST_CONFIG"],
+     [AS_IF([test "x$1" != "x"],
+        [_min_version="--min-version=$1"
+         AC_MSG_CHECKING([for Google Test at least version >= $1])],
+        [_min_version="--min-version=0"
+         AC_MSG_CHECKING([for Google Test])])
+      AS_IF([$GTEST_CONFIG $_min_version],
+        [AC_MSG_RESULT([yes])
+         HAVE_GTEST="yes"],
+        [AC_MSG_RESULT([no])])])
+   AS_IF([test "x$HAVE_GTEST" = "xyes"],
+     [GTEST_CPPFLAGS=$($GTEST_CONFIG --cppflags)
+      GTEST_CXXFLAGS=$($GTEST_CONFIG --cxxflags)
+      GTEST_LDFLAGS=$($GTEST_CONFIG --ldflags)
+      GTEST_LIBS=$($GTEST_CONFIG --libs)
+      GTEST_VERSION=$($GTEST_CONFIG --version)
+      AC_DEFINE([HAVE_GTEST],[1],[Defined when Google Test is available.])],
+     [AS_IF([test "x$enable_gtest" = "xyes"],
+        [AC_MSG_ERROR([
+  The Google C++ Testing Framework was explicitly enabled, but a viable version
+  could not be found on the system.
+])])])])
+AC_SUBST([HAVE_GTEST])
+AM_CONDITIONAL([HAVE_GTEST],[test "x$HAVE_GTEST" = "xyes"])
+AS_IF([test "x$HAVE_GTEST" = "xyes"],
+  [AS_IF([test "x$2" != "x"],[$2],[:])],
+  [AS_IF([test "x$3" != "x"],[$3],[:])])
+])
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