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| 1 dnl GTEST_LIB_CHECK([minimum version [, | |
| 2 dnl action if found [,action if not found]]]) | |
| 3 dnl | |
| 4 dnl Check for the presence of the Google Test library, optionally at a minimum | |
| 5 dnl version, and indicate a viable version with the HAVE_GTEST flag. It defines | |
| 6 dnl standard variables for substitution including GTEST_CPPFLAGS, | |
| 7 dnl GTEST_CXXFLAGS, GTEST_LDFLAGS, and GTEST_LIBS. It also defines | |
| 8 dnl GTEST_VERSION as the version of Google Test found. Finally, it provides | |
| 9 dnl optional custom action slots in the event GTEST is found or not. | |
| 10 AC_DEFUN([GTEST_LIB_CHECK], | |
| 11 [ | |
| 12 dnl Provide a flag to enable or disable Google Test usage. | |
| 13 AC_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=]) | |
| 19 AC_ARG_VAR([GTEST_CONFIG], | |
| 20 [The exact path of Google Test's 'gtest-config' script.]) | |
| 21 AC_ARG_VAR([GTEST_CPPFLAGS], | |
| 22 [C-like preprocessor flags for Google Test.]) | |
| 23 AC_ARG_VAR([GTEST_CXXFLAGS], | |
| 24 [C++ compile flags for Google Test.]) | |
| 25 AC_ARG_VAR([GTEST_LDFLAGS], | |
| 26 [Linker path and option flags for Google Test.]) | |
| 27 AC_ARG_VAR([GTEST_LIBS], | |
| 28 [Library linking flags for Google Test.]) | |
| 29 AC_ARG_VAR([GTEST_VERSION], | |
| 30 [The version of Google Test available.]) | |
| 31 HAVE_GTEST="no" | |
| 32 AS_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 | |
| 41 Unable to locate either a built or installed Google Test. | |
| 42 The specific location '${enable_gtest}' was provided for a built or installed | |
| 43 Google Test, but no 'gtest-config' script could be found at this location.]) | |
| 44 ])], | |
| 45 [AC_PATH_PROG([GTEST_CONFIG], [gtest-config])]) | |
| 46 AS_IF([test -x "${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 | |
| 67 Google Test was enabled, but no viable version could be found.]) | |
| 68 ])])]) | |
| 69 AC_SUBST([HAVE_GTEST]) | |
| 70 AM_CONDITIONAL([HAVE_GTEST],[test "x$HAVE_GTEST" = "xyes"]) | |
| 71 AS_IF([test "x$HAVE_GTEST" = "xyes"], | |
| 72 [m4_ifval([$2], [$2])], | |
| 73 [m4_ifval([$3], [$3])]) | |
| 74 ]) | |
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