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AC_DEFUN([AX_ISC_GTEST], [
AC_ARG_WITH([lcov],
[AS_HELP_STRING([--with-lcov[[=PROGRAM]]],
[enable gtest and coverage target using the specified lcov])],
[lcov="$withval"],
[lcov="no"])
USE_LCOV="no"
if test "$lcov" != "no"; then
# force gtest if not set
if test "$enable_gtest" = "no"; then
# AC_MSG_ERROR("lcov needs gtest for test coverage report")
AC_MSG_NOTICE([gtest support is now enabled, because used by coverage tests])
enable_gtest="yes"
fi
if test "$lcov" != "yes"; then
LCOV=$lcov
else
AC_PATH_PROG([LCOV], [lcov])
fi
if test -x "${LCOV}"; then
USE_LCOV="yes"
else
AC_MSG_ERROR([Cannot find lcov.])
fi
# is genhtml always in the same directory?
GENHTML=`echo "$LCOV" | ${SED} s/lcov$/genhtml/`
if test ! -x $GENHTML; then
AC_MSG_ERROR([genhtml not found, needed for lcov])
fi
# GCC specific?
CXXFLAGS="$CXXFLAGS -fprofile-arcs -ftest-coverage"
LIBS=" $LIBS -lgcov"
AC_SUBST(CPPFLAGS)
AC_SUBST(LIBS)
AC_SUBST(LCOV)
AC_SUBST(GENHTML)
fi
AC_SUBST(USE_LCOV)
#
# Check availability of gtest, which will be used for unit tests.
#
DISTCHECK_GTEST_CONFIGURE_FLAG=
AS_IF([test "x$enable_gtest" = "xyes"], [
DISTCHECK_GTEST_CONFIGURE_FLAG="--with-gtest"
PKG_CHECK_MODULES([GTEST], [gtest], [], [AC_MSG_ERROR([gtest requested but not found])])
GTEST_INCLUDES=`${PKG_CONFIG} --keep-system-cflags --cflags-only-I gtest`
GTEST_LDFLAGS=`${PKG_CONFIG} --keep-system-libs --libs-only-L gtest`
GTEST_VERSION=`${PKG_CONFIG} --modversion gtest`
])
AM_CONDITIONAL(HAVE_GTEST, test $enable_gtest != "no")
AM_CONDITIONAL(HAVE_GTEST_SOURCE, test "X$have_gtest_source" = "Xyes")
AC_SUBST(DISTCHECK_GTEST_CONFIGURE_FLAG)
AC_SUBST(GTEST_INCLUDES)
AC_SUBST([GTEST_LDADD], [$GTEST_LIBS])
AC_SUBST(GTEST_SOURCE)
])dnl AX_ISC_GTEST
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