googletest/m4/gtest.m4
2008-07-03 22:38:12 +00:00

62 lines
2.5 KiB
Plaintext

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],[:])])
])