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/Unittests/googletest/m4/gtest.m4

http://unladen-swallow.googlecode.com/
m4 | 74 lines | 74 code | 0 blank | 0 comment | 0 complexity | 648a195098e5d9cb43f46498e51e9535 MD5 | raw file
 1dnl GTEST_LIB_CHECK([minimum version [,
 2dnl                  action if found [,action if not found]]])
 3dnl
 4dnl Check for the presence of the Google Test library, optionally at a minimum
 5dnl version, and indicate a viable version with the HAVE_GTEST flag. It defines
 6dnl standard variables for substitution including GTEST_CPPFLAGS,
 7dnl GTEST_CXXFLAGS, GTEST_LDFLAGS, and GTEST_LIBS. It also defines
 8dnl GTEST_VERSION as the version of Google Test found. Finally, it provides
 9dnl optional custom action slots in the event GTEST is found or not.
10AC_DEFUN([GTEST_LIB_CHECK],
11[
12dnl Provide a flag to enable or disable Google Test usage.
13AC_ARG_ENABLE([gtest],
14  [AS_HELP_STRING([--enable-gtest],
15                  [Enable tests using the Google C++ Testing Framework.
16                  (Default is enabled.)])],
17  [],
18  [enable_gtest=])
19AC_ARG_VAR([GTEST_CONFIG],
20           [The exact path of Google Test's 'gtest-config' script.])
21AC_ARG_VAR([GTEST_CPPFLAGS],
22           [C-like preprocessor flags for Google Test.])
23AC_ARG_VAR([GTEST_CXXFLAGS],
24           [C++ compile flags for Google Test.])
25AC_ARG_VAR([GTEST_LDFLAGS],
26           [Linker path and option flags for Google Test.])
27AC_ARG_VAR([GTEST_LIBS],
28           [Library linking flags for Google Test.])
29AC_ARG_VAR([GTEST_VERSION],
30           [The version of Google Test available.])
31HAVE_GTEST="no"
32AS_IF([test "x${enable_gtest}" != "xno"],
33  [AC_MSG_CHECKING([for 'gtest-config'])
34   AS_IF([test "x${enable_gtest}" != "xyes"],
35     [AS_IF([test -x "${enable_gtest}/scripts/gtest-config"],
36        [GTEST_CONFIG="${enable_gtest}/scripts/gtest-config"],
37        [GTEST_CONFIG="${enable_gtest}/bin/gtest-config"])
38      AS_IF([test -x "${GTEST_CONFIG}"], [],
39        [AC_MSG_RESULT([no])
40         AC_MSG_ERROR([dnl
41Unable to locate either a built or installed Google Test.
42The specific location '${enable_gtest}' was provided for a built or installed
43Google Test, but no 'gtest-config' script could be found at this location.])
44         ])],
45     [AC_PATH_PROG([GTEST_CONFIG], [gtest-config])])
46   AS_IF([test -x "${GTEST_CONFIG}"],
47     [AC_MSG_RESULT([${GTEST_CONFIG}])
48      m4_ifval([$1],
49        [_gtest_min_version="--min-version=$1"
50         AC_MSG_CHECKING([for Google Test at least version >= $1])],
51        [_gtest_min_version="--min-version=0"
52         AC_MSG_CHECKING([for Google Test])])
53      AS_IF([${GTEST_CONFIG} ${_gtest_min_version}],
54        [AC_MSG_RESULT([yes])
55         HAVE_GTEST='yes'],
56        [AC_MSG_RESULT([no])])],
57     [AC_MSG_RESULT([no])])
58   AS_IF([test "x${HAVE_GTEST}" = "xyes"],
59     [GTEST_CPPFLAGS=`${GTEST_CONFIG} --cppflags`
60      GTEST_CXXFLAGS=`${GTEST_CONFIG} --cxxflags`
61      GTEST_LDFLAGS=`${GTEST_CONFIG} --ldflags`
62      GTEST_LIBS=`${GTEST_CONFIG} --libs`
63      GTEST_VERSION=`${GTEST_CONFIG} --version`
64      AC_DEFINE([HAVE_GTEST],[1],[Defined when Google Test is available.])],
65     [AS_IF([test "x${enable_gtest}" = "xyes"],
66        [AC_MSG_ERROR([dnl
67Google Test was enabled, but no viable version could be found.])
68         ])])])
69AC_SUBST([HAVE_GTEST])
70AM_CONDITIONAL([HAVE_GTEST],[test "x$HAVE_GTEST" = "xyes"])
71AS_IF([test "x$HAVE_GTEST" = "xyes"],
72  [m4_ifval([$2], [$2])],
73  [m4_ifval([$3], [$3])])
74])