CMake/bootstrap

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#!/bin/sh
CMAKE_KNOWN_C_COMPILERS="cc gcc xlc icc tcc"
CMAKE_KNOWN_CXX_COMPILERS="CC g++ c++ xlC icc como aCC"
CMAKE_KNOWN_MAKE_PROCESSORS="make gmake"
CMAKE_SOURCES="\
cmake \
cmakewizard \
cmakemain \
cmMakeDepend \
cmMakefile \
cmDocumentation \
cmGlobalGenerator \
cmLocalGenerator \
cmRegularExpression \
cmSourceFile \
cmSystemTools \
cmDirectory \
cmGlobalUnixMakefileGenerator \
cmLocalUnixMakefileGenerator \
cmCommands \
cmTarget \
cmCustomCommand \
cmCacheManager \
cmListFileCache \
cmVariableWatch \
cmSourceGroup"
cmake_system=`uname`
cmake_source_dir=`echo $0 | sed -n '/\//{s/\/[^\/]*$//;p;}'`
cmake_source_dir=`(cd "${cmake_source_dir}";pwd)`
cmake_binary_dir=`pwd`
cmake_bootstrap_dir="${cmake_binary_dir}/Bootstrap.cmk"
# Display CMake bootstrap usage
cmake_usage()
{
cat<<EOF
Usage: $0 [options]
Options: [defaults in brackets after descriptions]
Configuration:
--help print this message
--version only print version information
--verbose display more information
--parallel=n bootstrap cmake in parallel, where n is
number of nodes [1]
Directory and file names:
--prefix=PREFIX install architecture-independent files in PREFIX
[/usr/local]
EOF
exit 10
}
# Display CMake bootstrap usage
cmake_version()
{
# Get CMake version
CMAKE_VERSION=""
for a in MAJOR MINOR PATCH; do
CMake_VERSION=`cat "${cmake_source_dir}/CMakeLists.txt" | grep "SET(CMake_VERSION_${a} *[0-9]*)" | sed "s/SET(CMake_VERSION_${a} *\([0-9]*\))/\1/"`
CMAKE_VERSION="${CMAKE_VERSION}.${CMake_VERSION}"
done
CMAKE_VERSION=`echo $CMAKE_VERSION | sed "s/\.\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\)/\1.\2-\3/"`
echo "CMake ${CMAKE_VERSION}, Copyright (c) 2002 Kitware, Inc., Insight Consortium"
}
# Display CMake bootstrap error, display the log file and exit
cmake_error()
{
echo "---------------------------------------------"
echo "Error when bootstrapping CMake:"
echo "$*"
echo "---------------------------------------------"
if [ -f cmake_bootstrap.log ]; then
echo "Log of errors:"
cat cmake_bootstrap.log
echo "---------------------------------------------"
fi
exit 1
}
# Write string into a file
cmake_report ()
{
FILE=$1
shift
echo "$*" >> ${FILE}
}
# Escape spaces in strings
cmake_escape ()
{
echo $1 | sed "s/ /\\\\ /g"
}
# Write message to the log
cmake_log ()
{
echo "$*" >> cmake_bootstrap.log
}
# Return temp file
cmake_tmp_file ()
{
echo "cmake_bootstrap_$$.test"
}
# Run a compiler test. First argument is compiler, second one are compiler
# flags, third one is test source file to be compiled
cmake_try_run ()
{
COMPILER=$1
FLAGS=$2
TESTFILE=$3
if [ ! -f "${TESTFILE}" ]; then
echo "Test file ${TESTFILE} missing. Please verify your CMake source tree."
exit 4
fi
TMPFILE=`cmake_tmp_file`
echo "Try: ${COMPILER}"
"${COMPILER}" ${FLAGS} "${TESTFILE}" -o "${TMPFILE}"
RES=$?
if [ "${RES}" -ne "0" ]; then
echo "${COMPILER} does not work";return 1
fi
if [ ! -f "${TMPFILE}" ] && [ ! -f "${TMPFILE}.exe" ]; then
echo "${COMPILER} does not produce output"
return 2
fi
./${TMPFILE}
RES=$?
rm -f "${TMPFILE}"
if [ "${RES}" -ne "0" ]; then
echo "${COMPILER} produces strange executable"
return 3
fi
echo "${COMPILER} works"
return 0
}
# Run a make test. First argument is the make interpreter.
cmake_try_make ()
{
MAKE_PROC=$1
echo "Try: ${MAKE_PROC}"
${MAKE_PROC}
RES=$?
if [ "${RES}" -ne "0" ]; then
echo "${MAKE_PROC} does not work";return 1
fi
if [ ! -f "test" ] && [ ! -f "test.exe" ]; then
echo "${COMPILER} does not produce output"
return 2
fi
./test
RES=$?
rm -f "test"
if [ "${RES}" -ne "0" ]; then
echo "${MAKE_PROC} produces strange executable"
return 3
fi
echo "${MAKE_PROC} works"
return 0
}
# Parse arguments
cmake_verbose=
cmake_parallel_make=
cmake_prefix_dir="/usr/local"
for a in "$@"; do
if echo $a | grep "^--prefix=" > /dev/null 2> /dev/null; then
cmake_prefix_dir=`echo $a | sed "s/^--prefix=//"`
fi
if echo $a | grep "^--parallel=" > /dev/null 2> /dev/null; then
cmake_parallel_make=`echo $a | sed "s/^--parallel=//" | grep "[0-9][0-9]*"`
fi
if echo $a | grep "^--help" > /dev/null 2> /dev/null; then
cmake_usage
fi
if echo $a | grep "^--version" > /dev/null 2> /dev/null; then
cmake_version
exit 2
fi
if echo $a | grep "^--verbose" > /dev/null 2> /dev/null; then
cmake_verbose=TRUE
fi
done
# If verbose, display some information about bootstrap
if [ -n "${cmake_verbose}" ]; then
echo "---------------------------------------------"
echo "Source directory: ${cmake_source_dir}"
echo "Binary directory: ${cmake_binary_dir}"
echo "Prefix directory: ${cmake_prefix_dir}"
echo "System: ${cmake_system}"
if [ "x${cmake_parallel_make}" != "x" ]; then
echo "Doing parallel make: ${cmake_parallel_make}"
fi
echo ""
fi
echo "---------------------------------------------"
# Get CMake version
echo "`cmake_version`"
# Make bootstrap directory
[ -d "${cmake_bootstrap_dir}" ] || mkdir "${cmake_bootstrap_dir}"
if [ ! -d "${cmake_bootstrap_dir}" ]; then
cmake_error "Cannot create directory ${cmake_bootstrap_dir} to bootstrap CMake."
fi
cd "${cmake_bootstrap_dir}"
# Delete all the bootstrap files
rm -f "${cmake_bootstrap_dir}/cmake_bootstrap.log"
rm -f "${cmake_bootstrap_dir}/cmConfigure.h"
# If exist compiler flags, set them
cmake_c_flags=${CFLAGS}
cmake_cxx_flags=${CXXFLAGS}
# Test C compiler
cmake_c_compiler=
# If CC is set, use that for compiler, otherwise use list of known compilers
if [ -n "${CC}" ]; then
cmake_c_compilers="${CC}"
else
cmake_c_compilers="${CMAKE_KNOWN_C_COMPILERS}"
fi
# Check if C compiler works
TMPFILE=`cmake_tmp_file`
cat>"${TMPFILE}.c"<<EOF
#include<stdio.h>
int main()
{
printf("1\n");
return 0;
}
EOF
for a in ${cmake_c_compilers}; do
if [ -z "${cmake_c_compiler}" ] && cmake_try_run "${a}" "${cmake_c_flags}" "${TMPFILE}.c" >> cmake_bootstrap.log 2>&1; then
cmake_c_compiler="${a}"
fi
done
rm -f "${TMPFILE}.c"
if [ -z "${cmake_c_compiler}" ]; then
cmake_error "Cannot find apropriate C compiler on this system.
Please specify one using environment variable CC."
fi
echo "C compiler on this system is: ${cmake_c_compiler} ${cmake_c_flags}"
# Test CXX compiler
cmake_cxx_compiler=
# If CC is set, use that for compiler, otherwise use list of known compilers
if [ -n "${CXX}" ]; then
cmake_cxx_compilers="${CXX}"
else
cmake_cxx_compilers="${CMAKE_KNOWN_CXX_COMPILERS}"
fi
# Check if C++ compiler works
TMPFILE=`cmake_tmp_file`
cat>"${TMPFILE}.cxx"<<EOF
#include <stdio.h>
class NeedCXX {};
int main()
{
printf("1\n");
return 0;
}
EOF
for a in ${cmake_cxx_compilers}; do
if [ -z "${cmake_cxx_compiler}" ] && cmake_try_run "${a}" "${cmake_cxx_flags}" "${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then
cmake_cxx_compiler="${a}"
fi
done
rm -f "${TMPFILE}.cxx"
if [ -z "${cmake_cxx_compiler}" ]; then
cmake_error "Cannot find apropriate C++ compiler on this system.
Please specify one using environment variable CXX."
fi
echo "C++ compiler on this system is: ${cmake_cxx_compiler} ${cmake_cxx_flags}"
# Test Make
cmake_make_processor=
# If MAKE is set, use that for make processor, otherwise use list of known make
if [ -n "${MAKE}" ]; then
cmake_make_processors="${MAKE}"
else
cmake_make_processors="${CMAKE_KNOWN_MAKE_PROCESSORS}"
fi
TMPFILE="`cmake_tmp_file`_dir"
rm -rf "${cmake_bootstrap_dir}/${TMPFILE}"
mkdir "${cmake_bootstrap_dir}/${TMPFILE}"
cd "${cmake_bootstrap_dir}/${TMPFILE}"
cat>"Makefile"<<EOF
test: test.c
${cmake_c_compiler} -o test test.c
EOF
cat>"test.c"<<EOF
#include <stdio.h>
int main(){ printf("1\n"); return 0; }
EOF
for a in ${cmake_make_processors}; do
if [ -z "${cmake_make_processor}" ] && cmake_try_make "${a}" >> cmake_bootstrap.log 2>&1; then
cmake_make_processor="${a}"
fi
done
cd "${cmake_bootstrap_dir}"
rm -rf "${cmake_bootstrap_dir}/${TMPFILE}"
echo "Make processor on this system is: ${cmake_make_processor}"
# Ok, we have CC, CXX, and MAKE.
# Test C++ compiler features
# If we are on IRIX, check for -LANG:std
if [ "x${cmake_system}" = "xIRIX64" ]; then
TMPFILE=`cmake_tmp_file`
cat>${TMPFILE}.cxx<<EOF
#include <iostream>
int main() { std::cout << "No need for -LANG:std" << std::endl; return 0;}
EOF
cmake_need_lang_std=0
if cmake_try_run "${cmake_cxx_compiler}" "${cmake_cxx_flags}" "${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then
:
else
if cmake_try_run "${cmake_cxx_compiler}" "${cmake_cxx_flags} -LANG:std" "${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then
cmake_need_lang_std=1
fi
fi
if [ "x${cmake_need_lang_std}" = "x1" ]; then
cmake_cxx_flags="${cmake_cxx_flags} -LANG:std"
echo "${cmake_cxx_compiler} needs -LANG:std"
else
echo "${cmake_cxx_compiler} does not need -LANG:std"
fi
rm -f "${TMPFILE}.cxx"
fi
# Test for STD namespace
if cmake_try_run "${cmake_cxx_compiler}" "${cmake_cxx_flags}" "${cmake_source_dir}/Modules/TestForSTDNamespace.cxx" >> cmake_bootstrap.log 2>&1; then
cmake_report cmConfigure.h "/* #undef CMAKE_NO_STD_NAMESPACE */"
echo "${cmake_cxx_compiler} has STD namespace"
else
cmake_report cmConfigure.h "#define CMAKE_NO_STD_NAMESPACE 1"
echo "${cmake_cxx_compiler} does not have STD namespace"
fi
# Test for ANSI stream headers
if cmake_try_run "${cmake_cxx_compiler}" "${cmake_cxx_flags}" "${cmake_source_dir}/Modules/TestForANSIStreamHeaders.cxx" >> cmake_bootstrap.log 2>&1; then
cmake_report cmConfigure.h "/* #undef CMAKE_NO_ANSI_STREAM_HEADERS */"
echo "${cmake_cxx_compiler} has ANSI stream headers"
else
cmake_report cmConfigure.h "#define CMAKE_NO_ANSI_STREAM_HEADERS 1"
echo "${cmake_cxx_compiler} does not have ANSI stream headers"
fi
# Test for ansi string streams
TMPFILE=`cmake_tmp_file`
cat>${TMPFILE}.cxx<<EOF
#include <sstream>
int main() { return 0;}
EOF
if cmake_try_run "${cmake_cxx_compiler}" "${cmake_cxx_flags}" "${TMPFILE}.cxx" >> cmake_bootstrap.log 2>&1; then
cmake_report cmConfigure.h "/* #undef CMAKE_NO_ANSI_STRING_STREAM */"
echo "${cmake_cxx_compiler} has ANSI string streams"
else
cmake_report cmConfigure.h "#define CMAKE_NO_ANSI_STRING_STREAM 1"
echo "${cmake_cxx_compiler} does not have ANSI string streams"
fi
rm -f "${TMPFILE}.cxx"
# Test for ansi FOR scope
if cmake_try_run "${cmake_cxx_compiler}" "${cmake_cxx_flags}" "${cmake_source_dir}/Modules/TestForAnsiForScope.cxx" >> cmake_bootstrap.log 2>&1; then
cmake_report cmConfigure.h "/* #undef CMAKE_NO_ANSI_FOR_SCOPE */"
echo "${cmake_cxx_compiler} has ANSI for scoping"
else
cmake_report cmConfigure.h "#define CMAKE_NO_ANSI_FOR_SCOPE 1"
echo "${cmake_cxx_compiler} does not have ANSI for scoping"
fi
# Write CMake version
for a in MAJOR MINOR PATCH; do
CMake_VERSION=`cat "${cmake_source_dir}/CMakeLists.txt" | grep "SET(CMake_VERSION_${a} *[0-9]*)" | sed "s/SET(CMake_VERSION_${a} *\([0-9]*\))/\1/"`
cmake_report cmConfigure.h "#define CMake_VERSION_${a} ${CMake_VERSION}"
done
cmake_report cmConfigure.h "#define CMAKE_ROOT_DIR \"${cmake_source_dir}\""
cmake_report cmConfigure.h "#define CMAKE_BOOTSTRAP"
# Generate Makefile
dep="cmConfigure.h `cmake_escape \"${cmake_source_dir}\"`/Source/*.h"
objs=""
for a in ${CMAKE_SOURCES}; do
objs="${objs} ${a}.o"
done
cmake_cxx_flags="${cmake_ansi_cxx_flags} ${cmake_cxx_flags} -I`cmake_escape \"${cmake_source_dir}/Source\"` -I`cmake_escape \"${cmake_bootstrap_dir}\"`"
echo "cmake: ${objs}" > "${cmake_bootstrap_dir}/Makefile"
echo " ${cmake_cxx_compiler} ${LDFLAGS} ${cmake_cxx_flags} ${objs} -o cmake" >> "${cmake_bootstrap_dir}/Makefile"
for a in ${CMAKE_SOURCES}; do
src=`cmake_escape "${cmake_source_dir}/Source/${a}.cxx"`
echo "${a}.o : ${src} ${dep}" >> "${cmake_bootstrap_dir}/Makefile"
echo " ${cmake_cxx_compiler} ${cmake_cxx_flags} -c ${src} -o ${a}.o" >> "${cmake_bootstrap_dir}/Makefile"
done
# Write prefix to Bootstrap.cmk/InitialConfigureFlags.cmake
echo "SET (CMAKE_CONFIGURE_INSTALL_PREFIX \"${cmake_prefix_dir}\" CACHE PATH \"Install path prefix, prepended onto install directories, For CMake this will always override CMAKE_INSTALL_PREFIX in the cache.\")" > "${cmake_bootstrap_dir}/InitialConfigureFlags.cmake"
echo "---------------------------------------------"
# Run make to build bootstrap cmake
if [ "x${cmake_parallel_make}" != "x" ]; then
${cmake_make_processor} -j ${cmake_parallel_make}
else
${cmake_make_processor}
fi
RES=$?
if [ "${RES}" -ne "0" ]; then
cmake_error "Problem while bootstrapping CMake"
fi
cd "${cmake_binary_dir}"
# Set C, CXX, and MAKE environment variables, so that real real cmake will be
# build with same compiler and make
CC="${cmake_c_compiler}"
CXX="${cmake_cxx_compiler}"
MAKE="${cmake_make_processor}"
export CC
export CXX
export MAKE
# Run bootstrap CMake to configure real CMake
"${cmake_bootstrap_dir}/cmake" "${cmake_source_dir}"
echo "---------------------------------------------"
# And we are done. Now just run make
echo "CMake ${CMAKE_VERSION} is configured. Now just run ${cmake_make_processor}."