The Tor Browser: media/webrtc/trunk/testing/gtest/m4/gtest.m4@8bccb770b82d

     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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