7b3b36fde4
allows other projects to easily leverage an installation or un-installed build of Google Test from their project's Autoconf script. This re-work specifically introduces the ability to provide a path as an argument to the resulting configure script option which can specify either an installation prefix or a build directory for Google Test. This change also makes a small portability tweak by using ``s instead of $() for command expansion. By Chandler Carruth. Reviewed by Benoit Sigoure.
75 lines
3.1 KiB
Plaintext
75 lines
3.1 KiB
Plaintext
dnl GTEST_LIB_CHECK([minimum version [,
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dnl action if found [,action if not found]]])
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dnl
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dnl Check for the presence of the Google Test library, optionally at a minimum
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dnl version, and indicate a viable version with the HAVE_GTEST flag. It defines
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dnl standard variables for substitution including GTEST_CPPFLAGS,
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dnl GTEST_CXXFLAGS, GTEST_LDFLAGS, and GTEST_LIBS. It also defines
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dnl GTEST_VERSION as the version of Google Test found. Finally, it provides
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dnl optional custom action slots in the event GTEST is found or not.
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AC_DEFUN([GTEST_LIB_CHECK],
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[
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dnl Provide a flag to enable or disable Google Test usage.
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AC_ARG_ENABLE([gtest],
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[AS_HELP_STRING([--enable-gtest],
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[Enable tests using the Google C++ Testing Framework.
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(Default is enabled.)])],
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[],
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[enable_gtest=])
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AC_ARG_VAR([GTEST_CONFIG],
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[The exact path of Google Test's 'gtest-config' script.])
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AC_ARG_VAR([GTEST_CPPFLAGS],
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[C-like preprocessor flags for Google Test.])
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AC_ARG_VAR([GTEST_CXXFLAGS],
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[C++ compile flags for Google Test.])
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AC_ARG_VAR([GTEST_LDFLAGS],
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[Linker path and option flags for Google Test.])
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AC_ARG_VAR([GTEST_LIBS],
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[Library linking flags for Google Test.])
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AC_ARG_VAR([GTEST_VERSION],
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[The version of Google Test available.])
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HAVE_GTEST="no"
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AS_IF([test "x${enable_gtest}" != "xno"],
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[AC_MSG_CHECKING([for 'gtest-config'])
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AS_IF([test "x${enable_gtest}" != "xyes"],
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[AS_IF([test -x "${enable_gtest}/scripts/gtest-config"],
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[GTEST_CONFIG="${enable_gtest}/scripts/gtest-config"],
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[GTEST_CONFIG="${enable_gtest}/bin/gtest-config"])
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AS_IF([test -x "${GTEST_CONFIG}"], [],
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[AC_MSG_RESULT([no])
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AC_MSG_ERROR([dnl
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Unable to locate either a built or installed Google Test.
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The specific location '${enable_gtest}' was provided for a built or installed
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Google Test, but no 'gtest-config' script could be found at this location.])
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])],
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[AC_PATH_PROG([GTEST_CONFIG], [gtest-config])])
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AS_IF([test -x "${GTEST_CONFIG}"],
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[AC_MSG_RESULT([${GTEST_CONFIG}])
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m4_ifval([$1],
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[_gtest_min_version="--min-version=$1"
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AC_MSG_CHECKING([for Google Test at least version >= $1])],
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[_gtest_min_version="--min-version=0"
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AC_MSG_CHECKING([for Google Test])])
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AS_IF([${GTEST_CONFIG} ${_gtest_min_version}],
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[AC_MSG_RESULT([yes])
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HAVE_GTEST='yes'],
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[AC_MSG_RESULT([no])])],
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[AC_MSG_RESULT([no])])
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AS_IF([test "x${HAVE_GTEST}" = "xyes"],
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[GTEST_CPPFLAGS=`${GTEST_CONFIG} --cppflags`
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GTEST_CXXFLAGS=`${GTEST_CONFIG} --cxxflags`
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GTEST_LDFLAGS=`${GTEST_CONFIG} --ldflags`
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GTEST_LIBS=`${GTEST_CONFIG} --libs`
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GTEST_VERSION=`${GTEST_CONFIG} --version`
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AC_DEFINE([HAVE_GTEST],[1],[Defined when Google Test is available.])],
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[AS_IF([test "x${enable_gtest}" = "xyes"],
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[AC_MSG_ERROR([dnl
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Google Test was enabled, but no viable version could be found.])
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])])])
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AC_SUBST([HAVE_GTEST])
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AM_CONDITIONAL([HAVE_GTEST],[test "x$HAVE_GTEST" = "xyes"])
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AS_IF([test "x$HAVE_GTEST" = "xyes"],
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[m4_ifval([$2], [$2])],
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[m4_ifval([$3], [$3])])
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])
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