62 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			62 lines
		
	
	
		
			2.5 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=check])
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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$enable_gtest" != "xno"],
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  [AC_PATH_PROG([GTEST_CONFIG], [gtest-config])
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   AS_IF([test -x "$GTEST_CONFIG"],
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     [AS_IF([test "x$1" != "x"],
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        [_min_version="--min-version=$1"
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         AC_MSG_CHECKING([for Google Test at least version >= $1])],
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        [_min_version="--min-version=0"
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         AC_MSG_CHECKING([for Google Test])])
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      AS_IF([$GTEST_CONFIG $_min_version],
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        [AC_MSG_RESULT([yes])
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         HAVE_GTEST="yes"],
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        [AC_MSG_RESULT([no])])])
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   AS_IF([test "x$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$enable_gtest" = "xyes"],
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        [AC_MSG_ERROR([
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  The Google C++ Testing Framework was explicitly enabled, but a viable version
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  could not be found on the system.
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])])])])
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AC_SUBST([HAVE_GTEST])
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AM_CONDITIONAL([HAVE_GTEST],[test "x$HAVE_GTEST" = "xyes"])
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AS_IF([test "x$HAVE_GTEST" = "xyes"],
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  [AS_IF([test "x$2" != "x"],[$2],[:])],
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  [AS_IF([test "x$3" != "x"],[$3],[:])])
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])
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