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|
#!/bin/sh
#
# This script computes the various flags needed to run GNU C++ testsuites
# (compiler specific as well as library specific). It is based on
# the ./mkcheck.in, which in the long will be removed in favor of a
# DejaGnu-base framework.
#
# Written by Gabriel Dos Reis <gdr@codesourcery.com>
#
#
# Synopsis
# * tests_flags --compiler build-dir src-dir
#
# Returns a space-separated list of flags needed to run front-end
# specific tests.
#
# * tests_flags --built-library build-dir src-dir
# * tests_flags --installed-library build-dir src-dir install-dir
#
# Returns a colon-separated list of space-separated list of flags,
# needed to run library specific tests,
# BUILD_DIR:SRC_DIR:PREFIX_DIR:LTCXX:LIBS:LTEXE:CXX:CXXFLAGS
# the meaning of which is as follows:
# BUILD_DIR build-dir
# SRC_DIR src-dir
# PREFIX_DIR install-dir (meaningful only with --installed-library)
# LTCXX libtoolized command to compile a C++ program
# LIBS flags to pass to the linker
# LTEXE libtoolized command to run a compiled C++ program
# CXX which C++ compiler is being used
# CXXFLAGS special C++ flags used
#
##
## Utility functions
##
# Print a message saying how this script is intended to be invoked
print_usage() {
cat <<EOF
Usage:
tests_fags --compiler <build-dir> <src-dir>
--built-library <build-dir> <src-dir>
--installed-library <build-dir> <src-dir> <install-dir>
EOF
exit 1
}
# Check for command line option
check_options() {
# First, check for number of command line arguments
if [ \( $1 -ne 3 \) -a \( $1 -ne 4 \) ]; then
print_usage;
fi
# Then, see if we understand the job we're asked for
case $2 in
--compiler|--built-library|--installed-library)
# OK
;;
*)
print_usage
;;
esac
}
# Directory sanity check
check_directory() {
if [ ! $2 ]; then
echo "$1 '$2' directory not found, exiting."
exit 1
fi
}
##
## Main processing
##
# Command line options sanity check
check_options $# $1
query=$1
# Check for build, source and install directories
BUILD_DIR=$2; SRC_DIR=$3
check_directory 'Build' ${BUILD_DIR}
check_directory 'Source' ${SRC_DIR}
case ${query} in
--installed-library)
PREFIX_DIR=$4
check_directory 'Install' ${PREFIX_DIR}
;;
*)
PREFIX_DIR=
;;
esac
# This is LIBTOOL=@LIBTOOL@ piped through a bit of sanity that we can
# assume for this script (by the time we run this).
LIBTOOL="${BUILD_DIR}/libtool"
chmod u+x ${LIBTOOL}
# Compute include paths
# INC_PATH == include path to new headers for use on gcc command-line
top_srcdir=@top_srcdir@
C_DIR="`basename @C_INCLUDE_DIR@`"
case ${query} in
--installed-library)
INC_PATH="-I${SRC_DIR}/testsuite"
;;
*)
INC_PATH="-nostdinc++ @CSHADOW_FLAGS@ -I${BUILD_DIR}/include
-I${SRC_DIR}/include/std -I${SRC_DIR}/include/$C_DIR
-I${SRC_DIR}/include -I${SRC_DIR}/libsupc++ -I${SRC_DIR}/libio
-I${SRC_DIR}/testsuite"
;;
esac
# If called for compiler tests, just output include paths
case ${query} in
--compiler)
echo ${INC_PATH} -I${SRC_DIR}/include/backward -I${SRC_DIR}/include/ext
exit 0
;;
esac
# For built or installed libraries, we need to get right OS-specific bits.
. ${top_srcdir}/configure.target
# LIB_PATH == where to find the build libraries for libtool's use
# CXX == how to call the compiler
case ${query} in
--built-library)
LIB_PATH=${BUILD_DIR}/src
CXX="${BUILD_DIR}/../../gcc/g++ -B${BUILD_DIR}/../../gcc/"
;;
--installed-library)
LIB_PATH=${PREFIX_DIR}/lib
CXX=${PREFIX_DIR}/bin/g++
;;
esac
# gcc compiler flags (maybe use glibcpp_cxxflags from configure.target,
# but thst's really meant for building the library itself, not using it)
CXXFLAGS="-ggdb3 -DDEBUG_ASSERT @SECTION_FLAGS@ @SECTION_LDFLAGS@"
# LTCXX == how to call libtool when creating an executable
# LIBS == any extra needed -l switches, etc (may need more libs, lose lose)
case ${query} in
--built-library)
LTCXX="${LIBTOOL} --tag=CXX --mode=link ${CXX} ${CXXFLAGS} ${INC_PATH}
${LIB_PATH}/../libsupc++/libsupc++.la ${LIB_PATH}/libstdc++.la
-no-install"
LTEXE="${LIBTOOL} --mode=execute"
LIBS="-nodefaultlibs -lc -lgcc -lc"
;;
--installed-library)
# For the installed version, we really only need to use libtool and
# the .la file to get correct rpaths.
LTCXX="${LIBTOOL} --tag=CXX --mode=link ${CXX} ${CXXFLAGS} ${INC_PATH}
-L${LIB_PATH} ${LIB_PATH}/libstdc++.la -no-install
-rpath ${LIB_PATH}"
LTEXE="${LIBTOOL} --mode=execute"
LIBS=
;;
esac
echo ${BUILD_DIR}:${SRC_DIR}:${PREFIX_DIR}:${LTCXX}:${LIBS}:${LTEXE}:${CXX}:${CXXFLAGS}
exit 0
|
