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google/googletest/dist/googletest/scripts/gtest-config.in
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#!/bin/sh | |||||
# These variables are automatically filled in by the configure script. | |||||
name="@PACKAGE_TARNAME@" | |||||
version="@PACKAGE_VERSION@" | |||||
show_usage() | |||||
{ | |||||
echo "Usage: gtest-config [OPTIONS...]" | |||||
} | |||||
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, both in a build prior to | |||||
installation, and on the system proper after installation. The installation | |||||
overrides may be issued in combination with any other queries, but will only | |||||
affect installation queries if called on a built but not installed gtest. The | |||||
installation queries may not be issued with any other types of queries, and | |||||
only one installation query may be made at a time. The version queries and | |||||
compiler flag queries may be combined as desired but not mixed. Different | |||||
version queries are always combined with logical "and" semantics, and only the | |||||
last of any particular query is used while 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." | |||||
g++ $(gtest-config --cppflags --cxxflags) -o foo.o -c foo.cpp | |||||
g++ $(gtest-config --ldflags --libs) -o foo foo.o | |||||
# When using a built but not installed Google Test: | |||||
g++ $(../../my_gtest_build/scripts/gtest-config ...) ... | |||||
# When using an installed Google Test, but with installation overrides: | |||||
export GTEST_PREFIX="/opt" | |||||
g++ $(gtest-config --libdir="/opt/lib64" ...) ... | |||||
Help: | |||||
--usage brief usage information | |||||
--help display this help message | |||||
Installation Overrides: | |||||
--prefix=<dir> overrides the installation prefix | |||||
--exec-prefix=<dir> overrides the executable installation prefix | |||||
--libdir=<dir> overrides the library installation prefix | |||||
--includedir=<dir> overrides the header file installation prefix | |||||
Installation Queries: | |||||
--prefix installation prefix | |||||
--exec-prefix executable installation prefix | |||||
--libdir library installation directory | |||||
--includedir header file installation directory | |||||
--version the version of the Google Test 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" or "awk" 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 $2. TODO(chandlerc@google.com): If this ever breaks, we should | |||||
# investigate expanding this via autom4te from AS_VERSION_COMPARE rather than | |||||
# continuing to maintain our own shell version. | |||||
check_versions() | |||||
{ | |||||
major_version=${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 $1 in | |||||
--usage) show_usage; exit 0;; | |||||
--help) show_help; exit 0;; | |||||
# Installation overrides | |||||
--prefix=*) GTEST_PREFIX=${1#--prefix=};; | |||||
--exec-prefix=*) GTEST_EXEC_PREFIX=${1#--exec-prefix=};; | |||||
--libdir=*) GTEST_LIBDIR=${1#--libdir=};; | |||||
--includedir=*) GTEST_INCLUDEDIR=${1#--includedir=};; | |||||
# Installation queries | |||||
--prefix|--exec-prefix|--libdir|--includedir|--version) | |||||
if test -n "${do_query}"; then | |||||
show_usage | |||||
exit 1 | |||||
fi | |||||
do_query=${1#--} | |||||
;; | |||||
# Version checking | |||||
--min-version=*) | |||||
do_check_versions=yes | |||||
min_version=${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=} | |||||
;; | |||||
# Compiler flag output | |||||
--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 | |||||
# These have defaults filled in by the configure script but can also be | |||||
# overridden by environment variables or command line parameters. | |||||
prefix="${GTEST_PREFIX:-@prefix@}" | |||||
exec_prefix="${GTEST_EXEC_PREFIX:-@exec_prefix@}" | |||||
libdir="${GTEST_LIBDIR:-@libdir@}" | |||||
includedir="${GTEST_INCLUDEDIR:-@includedir@}" | |||||
# We try and detect if our binary is not located at its installed location. If | |||||
# it's not, we provide variables pointing to the source and build tree rather | |||||
# than to the install tree. This allows building against a just-built gtest | |||||
# rather than an installed gtest. | |||||
bindir="@bindir@" | |||||
this_relative_bindir=`dirname $0` | |||||
this_bindir=`cd ${this_relative_bindir}; pwd -P` | |||||
if test "${this_bindir}" = "${this_bindir%${bindir}}"; then | |||||
# The path to the script doesn't end in the bindir sequence from Autoconf, | |||||
# assume that we are in a build tree. | |||||
build_dir=`dirname ${this_bindir}` | |||||
src_dir=`cd ${this_bindir}; cd @top_srcdir@; pwd -P` | |||||
# TODO(chandlerc@google.com): This is a dangerous dependency on libtool, we | |||||
# should work to remove it, and/or remove libtool altogether, replacing it | |||||
# with direct references to the library and a link path. | |||||
gtest_libs="${build_dir}/lib/libgtest.la @PTHREAD_CFLAGS@ @PTHREAD_LIBS@" | |||||
gtest_ldflags="" | |||||
# We provide hooks to include from either the source or build dir, where the | |||||
# build dir is always preferred. This will potentially allow us to write | |||||
# build rules for generated headers and have them automatically be preferred | |||||
# over provided versions. | |||||
gtest_cppflags="-I${build_dir}/include -I${src_dir}/include" | |||||
gtest_cxxflags="@PTHREAD_CFLAGS@" | |||||
else | |||||
# We're using an installed gtest, although it may be staged under some | |||||
# prefix. Assume (as our own libraries do) that we can resolve the prefix, | |||||
# and are present in the dynamic link paths. | |||||
gtest_ldflags="-L${libdir}" | |||||
gtest_libs="-l${name} @PTHREAD_CFLAGS@ @PTHREAD_LIBS@" | |||||
gtest_cppflags="-I${includedir}" | |||||
gtest_cxxflags="@PTHREAD_CFLAGS@" | |||||
fi | |||||
# Do an installation query if requested. | |||||
if test -n "$do_query"; then | |||||
case $do_query in | |||||
prefix) echo $prefix; exit 0;; | |||||
exec-prefix) echo $exec_prefix; exit 0;; | |||||
libdir) echo $libdir; exit 0;; | |||||
includedir) echo $includedir; exit 0;; | |||||
version) echo $version; exit 0;; | |||||
*) show_usage; exit 1;; | |||||
esac | |||||
fi | |||||
# Do a version check if requested. | |||||
if test "$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 |