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Diffstat (limited to 'scripts/gtest-config.in')
| -rwxr-xr-x | scripts/gtest-config.in | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/scripts/gtest-config.in b/scripts/gtest-config.in new file mode 100755 index 0000000..50b18c9 --- /dev/null +++ b/scripts/gtest-config.in @@ -0,0 +1,199 @@ +#!/bin/sh + +# These variables are automatically filled in by the configure script. +prefix="@prefix@" +exec_prefix="@exec_prefix@" +libdir="@libdir@" +includedir="@includedir@" +name="@PACKAGE_TARNAME@" +version="@PACKAGE_VERSION@" + +gtest_ldflags="-L${libdir}" +gtest_libs="-l${name}" +gtest_cppflags="-I${includedir}" +gtest_cxxflags="" + +show_usage() +{ + cat <<EOF +Usage: gtest-config [OPTIONS...] +EOF +} + +show_help() +{ + show_usage + cat <<EOF + +The \`gtest-config' script provides access to the necessary compile and linking +flags to connect with Google C++ Testing framework. The installation queries +may only be issued one at a time, and may not be issued with any other types of +queries. The version queries and compiler flag queries may be combined as +desired but not mixed. Different version queries are always combined with "and" +logical semantics, and only the last of any particular query is used and all +previous ones ignored. All versions must be specified as a sequence of numbers +separated by periods. Compiler flag queries output the union of the sets of +flags when combined. + + Examples: + gtest-config --min-version=1.0 || echo "Insufficient Google Test version." + + gcc \$(gtest-config --cppflags --cxxflags) -o foo.o -c foo.cpp + gcc \$(gtest-config --ldflags --libs) -o foo foo.o + + Help: + --usage brief usage information + --help display this help message + + Installation Queries: + --prefix installation prefix + --exec-prefix executable installation prefix + --libdir library installation directory + --includedir header file installation directory + --version the version of the INC installation + + Version Queries: + --min-version=VERSION return 0 if the version is at least VERSION + --exact-version=VERSION return 0 if the version is exactly VERSION + --max-version=VERSION return 0 if the version is at most VERSION + + Compilation Flag Queries: + --cppflags compile flags specific to the C-like preprocessors + --cxxflags compile flags appropriate for C++ programs + --ldflags linker flags + --libs libraries for linking + +EOF +} + +# This function bounds our version with a min and a max. It uses some clever +# POSIX-compliant variable expansion to portably do all the work in the shell +# and avoid any dependency on a particular "sed" implementation. Notable is +# that it will only ever compare the first 3 components of versions. Further +# components will be cleanly stripped off. All versions must be unadorned, so +# "v1.0" will *not* work. The minimum version must be in $1, and the max in +# $2. +check_versions() +{ + major_version=${version%%.*} + minor_version="0" + point_version="0" + if test "${version#*.}" != "${version}"; then + minor_version=${version#*.} + minor_version=${minor_version%%.*} + fi + if test "${version#*.*.}" != "${version}"; then + point_version=${version#*.*.} + point_version=${point_version%%.*} + fi + + min_version="$1" + min_major_version=${min_version%%.*} + min_minor_version="0" + min_point_version="0" + if test "${min_version#*.}" != "${min_version}"; then + min_minor_version=${min_version#*.} + min_minor_version=${min_minor_version%%.*} + fi + if test "${min_version#*.*.}" != "${min_version}"; then + min_point_version=${min_version#*.*.} + min_point_version=${min_point_version%%.*} + fi + + max_version="$2" + max_major_version=${max_version%%.*} + max_minor_version="0" + max_point_version="0" + if test "${max_version#*.}" != "${max_version}"; then + max_minor_version=${max_version#*.} + max_minor_version=${max_minor_version%%.*} + fi + if test "${max_version#*.*.}" != "${max_version}"; then + max_point_version=${max_version#*.*.} + max_point_version=${max_point_version%%.*} + fi + + test $(($major_version)) -lt $(($min_major_version)) && exit 1 + if test $(($major_version)) -eq $(($min_major_version)); then + test $(($minor_version)) -lt $(($min_minor_version)) && exit 1 + if test $(($minor_version)) -eq $(($min_minor_version)); then + test $(($point_version)) -lt $(($min_point_version)) && exit 1 + fi + fi + + test $(($major_version)) -gt $(($max_major_version)) && exit 1 + if test $(($major_version)) -eq $(($max_major_version)); then + test $(($minor_version)) -gt $(($max_minor_version)) && exit 1 + if test $(($minor_version)) -eq $(($max_minor_version)); then + test $(($point_version)) -gt $(($max_point_version)) && exit 1 + fi + fi + + exit 0 +} + +# Show the usage line when no arguments are specified. +if test $# -eq 0; then + show_usage + exit 1 +fi + +while test $# -gt 0; do + case $1 in + --usage) show_usage; exit 0;; + --help) show_help; exit 0;; + --prefix) echo $prefix; exit 0;; + --exec-prefix) echo $exec_prefix; exit 0;; + --libdir) echo $libdir; exit 0;; + --includedir) echo $includedir; exit 0;; + --version) echo $version; exit 0;; + --min-version=*) + do_check_versions=yes + min_version=${1#--min-version=} + ;; + --max-version=*) + do_check_versions=yes + max_version=${1#--max-version=} + ;; + --exact-version=*) + do_check_versions=yes + exact_version=${1#--exact-version=} + ;; + --cppflags) echo_cppflags=yes;; + --cxxflags) echo_cxxflags=yes;; + --ldflags) echo_ldflags=yes;; + --libs) echo_libs=yes;; + + # Everything else is an error + *) show_usage; exit 1;; + esac + shift +done + +# Do a version check if requested. +if test "$do_check_versions" = "yes"; then + # Make sure we didn't receive a bad combination of parameters. + test "$echo_cppflags" = "yes" && show_usage && exit 1 + test "$echo_cxxflags" = "yes" && show_usage && exit 1 + test "$echo_ldflags" = "yes" && show_usage && exit 1 + test "$echo_libs" = "yes" && show_usage && exit 1 + + if test "$exact_version" != ""; then + check_versions $exact_version $exact_version + # unreachable + else + check_versions ${min_version:-0.0.0} ${max_version:-9999.9999.9999} + # unreachable + fi +fi + +# Do the output in the correct order so that these can be used in-line of +# a compiler invocation. +output="" +test "$echo_cppflags" = "yes" && output="$output $gtest_cppflags" +test "$echo_cxxflags" = "yes" && output="$output $gtest_cxxflags" +test "$echo_ldflags" = "yes" && output="$output $gtest_ldflags" +test "$echo_libs" = "yes" && output="$output $gtest_libs" +echo $output + +exit 0 |