#!/bin/sh # we are no longer lazy. # this script respects both CFLAGS and CFLAGS_CMDLINE, # as well as both LDFLAGS and LDFLAGS_CMDLINE, however # the latter variable of each pair should be preferred. usage() { cat "$mb_project_dir"/config.usage exit $? } error_msg() { echo "$@" >&2 } warning_msg() { echo "$@" >&2 } init_vars() { mb_project_dir=$(cd `dirname $0` ; pwd) mb_pwd=`pwd` if [ -z "$mb_config" ]; then . $mb_project_dir/config.project || exit 2 else . "$mb_config" || exit 2 fi # git if [ -d "$mb_project_dir/.git" ]; then mb_git_reference_index="\$(PROJECT_DIR)/.git/index" fi # project mb_nickname=$NICKNAME # dirs mb_prefix=$PREFIX mb_exec_prefix=$EXEC_PREFIX mb_bindir=$BINDIR mb_libdir=$LIBDIR mb_includedir=$INCLUDEDIR mb_mandir=$MANDIR mb_docdir=$DOCDIR mb_libexecdir=$LIBEXECDIR # build mb_build=$BUILD mb_host=$HOST mb_target=$TARGET mb_arch=$ARCH mb_compiler=$COMPILER mb_toolchain=$TOOLCHAIN mb_sysroot=$SYSROOT mb_cross_compile=$CROSS_COMPILE mb_shell=$SHELL # switches mb_cflags=$CFLAGS mb_cflags_debug=$CFLAGS_DEBUG mb_cflags_common=$CFLAGS_COMMON mb_cflags_cmdline=$CFLAGS_CMDLINE mb_cflags_config=$CFLAGS_CONFIG mb_cflags_sysroot=$CFLAGS_SYSROOT mb_cflags_os=$CFLAGS_OS mb_cflags_site=$CFLAGS_SITE mb_cflags_path=$CFLAGS_PATH mb_cflags_strict=$CFLAGS_STRICT mb_cflags_util=$CFLAGS_UTIL mb_cflags_last=$CFLAGS_LAST mb_cflags_once=$CFLAGS_ONCE mb_ldflags=$LDFLAGS mb_ldflags_debug=$LDFLAGS_DEBUG mb_ldflags_common=$LDFLAGS_COMMON mb_ldflags_cmdline=$LDFLAGS_CMDLINE mb_ldflags_config=$LDFLAGS_CONFIG mb_ldflags_sysroot=$LDFLAGS_SYSROOT mb_ldflags_path=$LDFLAGS_PATH mb_ldflags_strict=$LDFLAGS_STRICT mb_ldflags_util=$LDFLAGS_UTIL mb_ldflags_last=$LDFLAGS_LAST mb_ldflags_once=$LDFLAGS_ONCE mb_pe_subsystem=$PE_SUBSYSTEM mb_pe_image_base=$PE_IMAGE_BASE mb_pe_config_defs=$PE_CONFIG_DEFS mb_elf_eh_frame=$ELF_EH_FRAME mb_elf_hash_style=$ELF_HASH_STYLE mb_elf_config_defs=$ELF_CONFIG_DEFS # overrides mb_native_cc=$NATIVE_CC mb_native_os=$NATIVE_OS mb_native_os_bits=$NATIVE_OS_BITS mb_native_os_underscore=$NATIVE_OS_UNDERSCORE mb_user_cc=$CC mb_user_cpp=$CPP mb_user_cxx=$CXX } verify_build_directory() { if [ "$mb_project_dir" = "$mb_pwd" ]; then if [ "$mb_require_out_of_tree" = yes ]; then error_msg "$mb_package: out-of-tree builds are required." error_msg "please invoke configure again from a clean build directory." exit 2 else mb_project_dir='.' fi fi } common_defaults() { # project [ -z "$mb_nickname" ] && mb_nickname=$mb_package [ -z "$mb_avoid_version" ] && mb_avoid_version='no' # dirs [ -z "$mb_prefix" ] && [ -z "$mb_prefix_set" ] \ && mb_prefix='/usr/local' [ -z "$mb_exec_prefix" ] && [ -z "$mb_exec_prefix_set" ] \ && mb_exec_prefix=$mb_prefix [ -z "$mb_bindir" ] && mb_bindir=$mb_exec_prefix/bin [ -z "$mb_libdir" ] && mb_libdir=$mb_exec_prefix/lib [ -z "$mb_includedir" ] && mb_includedir=$mb_prefix/include [ -z "$mb_datarootdir" ] && mb_datarootdir=$mb_prefix/share [ -z "$mb_mandir" ] && mb_mandir=$mb_datarootdir/man [ -z "$mb_docdir" ] && mb_docdir=$mb_datarootdir/doc [ -z "$mb_libexecdir" ] && mb_libexecdir=$mb_exec_prefix/libexec # build [ -z "$mb_build" ] && mb_build=$mb_default_build [ -z "$mb_host" ] && mb_host=$mb_default_host [ -z "$mb_target" ] && mb_target=$mb_default_target [ -z "$mb_arch" ] && mb_arch=$mb_default_arch [ -z "$mb_compiler" ] && mb_compiler=$mb_default_compiler [ -z "$mb_toolchain" ] && mb_toolchain=$mb_default_toolchain [ -z "$mb_sysroot" ] && mb_sysroot=$mb_default_sysroot [ -z "$mb_cross_compile" ] && mb_cross_compile=$mb_default_cross_compile [ -z "$mb_shell" ] && mb_shell=$mb_default_shell # switches [ -z "$mb_cflags_debug" ] && mb_cflags_debug=$mb_default_cflags_debug [ -z "$mb_cflags_common" ] && mb_cflags_common=$mb_default_cflags_common [ -z "$mb_cflags_cmdline" ] && mb_cflags_cmdline=$mb_default_cflags_cmdline [ -z "$mb_cflags_config" ] && mb_cflags_config=$mb_default_cflags_config [ -z "$mb_cflags_sysroot" ] && mb_cflags_sysroot=$mb_default_cflags_sysroot [ -z "$mb_cflags_os" ] && mb_cflags_os=$mb_default_cflags_os [ -z "$mb_cflags_site" ] && mb_cflags_site=$mb_default_cflags_site [ -z "$mb_cflags_path" ] && mb_cflags_path=$mb_default_cflags_path [ -z "$mb_cflags_strict" ] && mb_cflags_strict=$mb_default_cflags_strict [ -z "$mb_cflags_util" ] && mb_cflags_util=$mb_default_cflags_util [ -z "$mb_cflags_last" ] && mb_cflags_last=$mb_default_cflags_last [ -z "$mb_cflags_once" ] && mb_cflags_once=$mb_default_cflags_once [ -z "$mb_ldflags_debug" ] && mb_ldflags_debug=$mb_default_ldflags_debug [ -z "$mb_ldflags_common" ] && mb_ldflags_common=$mb_default_ldflags_common [ -z "$mb_ldflags_cmdline" ] && mb_ldflags_cmdline=$mb_default_ldflags_cmdline [ -z "$mb_ldflags_config" ] && mb_ldflags_config=$mb_default_ldflags_config [ -z "$mb_ldflags_sysroot" ] && mb_ldflags_sysroot=$mb_default_ldflags_sysroot [ -z "$mb_ldflags_path" ] && mb_ldflags_path=$mb_default_ldflags_path [ -z "$mb_ldflags_strict" ] && mb_ldflags_strict=$mb_default_ldflags_strict [ -z "$mb_ldflags_util" ] && mb_ldflags_util=$mb_default_ldflags_util [ -z "$mb_ldflags_last" ] && mb_ldflags_last=$mb_default_ldflags_last [ -z "$mb_ldflags_once" ] && mb_ldflags_once=$mb_default_ldflags_once [ -z "$mb_pe_subsystem" ] && mb_pe_subsystem=$mb_default_pe_subsystem [ -z "$mb_pe_image_base" ] && mb_pe_image_base=$mb_default_pe_image_base [ -z "$mb_pe_config_defs" ] && mb_pe_config_defs=$mb_default_pe_config_defs [ -z "$mb_elf_eh_frame" ] && mb_elf_eh_frame=$mb_default_elf_eh_frame [ -z "$mb_elf_hash_style" ] && mb_elf_hash_style=$mb_default_elf_hash_style [ -z "$mb_elf_config_defs" ] && mb_elf_config_defs=$mb_default_elf_config_defs # config [ -z "$mb_all_static" ] && mb_all_static='no' [ -z "$mb_all_shared" ] && mb_all_shared='no' [ -z "$mb_disable_frontend" ] && mb_disable_frontend='no' [ -z "$mb_disable_static" ] && mb_disable_static='no' [ -z "$mb_disable_shared" ] && mb_disable_shared='no' # host/target [ -z "$mb_host" ] && mb_host=$mb_target [ -z "$mb_target" ] && mb_target=$mb_host # sysroot if [ -n "$mb_sysroot" ]; then if [ -z "$mb_cflags_sysroot" ]; then mb_cflags_sysroot="--sysroot=$mb_sysroot" fi if [ -z "$mb_ldflags_sysroot" ]; then mb_ldflags_sysroot="-Wl,--sysroot,$mb_sysroot" fi fi # debug if [ "$mb_debug" = yes ]; then if [ -z "$mb_cflags_debug" ]; then mb_cflags_debug='-g3 -O0' fi fi # compiler if [ -n "$mb_compiler" ]; then if [ -z "$mb_native_cc" ]; then mb_native_cc=$mb_compiler fi fi # toolchain if [ -z "$mb_toolchain" ]; then mb_toolchain='binutils' fi # fallback host recipe if [ -n "$mb_host" ]; then if ! [ -f $mb_project_dir/sysinfo/host/$mb_host.mk ]; then if [ -z "$mb_cross_compile" ]; then mb_cross_compile=$mb_host- fi mb_host='any-host'; fi fi # fallback compiler recipe if [ -n "$mb_compiler" ]; then if ! [ -f $mb_project_dir/sysinfo/compiler/$mb_compiler.mk ]; then mb_compiler='any-compiler' fi fi } native_defaults() { # CC (when set, must be valid) if [ -n "$CC" ]; then $CC -dM -E - < /dev/null > /dev/null || exit 2 fi # compiler [ -z "$mb_native_cc" ] && mb_native_cc=$CC [ -z "$mb_native_cc" ] && mb_native_cc='cc' $mb_native_cc -dM -E - < /dev/null > /dev/null 2>/dev/null || mb_native_cc= [ -z "$mb_native_cc" ] && mb_native_cc='gcc' $mb_native_cc -dM -E - < /dev/null > /dev/null 2>/dev/null || mb_native_cc= [ -z "$mb_native_cc" ] && mb_native_cc='clang' $mb_native_cc -dM -E - < /dev/null > /dev/null 2>/dev/null || mb_native_cc= [ -z "$mb_native_cc" ] && mb_native_cc='cparser' $mb_native_cc -dM -E - < /dev/null > /dev/null 2>/dev/null || mb_native_cc= if [ -z "$mb_native_cc" ]; then echo "configure: info: could not find a working native compiler." mb_native_cc='false' fi if [ -z "$mb_compiler" ]; then $mb_native_cc -dM -E - < /dev/null | grep -q '__clang__' && mb_compiler='clang' fi if [ -z "$mb_compiler" ]; then $mb_native_cc -dM -E - < /dev/null | grep -q '__GCC' && mb_compiler='gcc' fi if [ -z "$mb_compiler" ]; then $mb_native_cc -dM -E - < /dev/null | grep -q "^gcc" && mb_compiler='gcc' fi if [ -z "$mb_compiler" ]; then $mb_native_cc -dM -E - < /dev/null | grep -q '__CPARSER__' && mb_compiler='cparser' fi if [ -z "$mb_compiler" ]; then echo "configure: info: could not identify the native compiler." mb_compiler='any-compiler' fi # host if [ -z "$mb_host" ]; then mb_host='native' fi # target if [ -z "$mb_target" ]; then mb_target='native' fi # os mb_native_os=`uname | tr '[:upper:]' '[:lower:]'` mb_native_os_sizeof_pointer=`$mb_native_cc -dM -E - < /dev/null \ | awk '$2 == "__SIZEOF_POINTER__" { print $3 }'` mb_native_os_bits=$((8 * ${mb_native_os_sizeof_pointer:-0})) if [ $mb_native_os_bits = 32 ]; then mb_native_os_underscore='_' else mb_native_os_underscore='' fi if [ -z "$mb_native_os_sizeof_pointer" ]; then warning_msg "config error: could not determine size of pointer on native system." fi # fallback os recipe if ! [ -f $mb_project_dir/sysinfo/os/$mb_native_os.mk ]; then mb_native_os='any-os'; fi } cross_defaults() { if [ -z "$mb_cross_compile" ] && [ "$mb_host" != native ]; then mb_cross_compile=$mb_host'-' fi } config_flags() { mb_ldflags_tmp=" $mb_ldflags " mb_ldflags_libs=`echo "$mb_ldflags_tmp" | sed 's/ -static / /g'` if [ "$mb_ldflags_tmp" != "$mb_ldflags_libs" ]; then mb_ldflags="$mb_ldflags_libs" mb_ldflags_util="$mb_ldflags_util -static" fi # ccstrict if [ "$mb_ccstrict" = 'yes' ]; then mb_cflags_strict='-Wall -Werror -Wextra -Wundef' fi # ldstrict if [ "$mb_ldstrict" = 'yes' ]; then mb_ldflags_strict='-Wl,--no-undefined' fi } config_copy() { sed -e 's^@package@^'"$mb_package"'^g' \ -e 's^@nickname@^'"$mb_nickname"'^g' \ -e 's^@project_dir@^'"$mb_project_dir"'^g' \ -e 's^@git_reference_index@^'"$mb_git_reference_index"'^g' \ -e 's^@custom_install_headers@^'"$mb_custom_install_headers"'^g' \ -e 's^@avoid_version@^'"$mb_avoid_version"'^g' \ \ -e 's^@build@^'"$mb_build"'^g' \ -e 's^@host@^'"$mb_host"'^g' \ -e 's^@target@^'"$mb_target"'^g' \ -e 's^@arch@^'"$mb_arch"'^g' \ -e 's^@compiler@^'"$mb_compiler"'^g' \ -e 's^@toolchain@^'"$mb_toolchain"'^g' \ -e 's^@sysroot@^'"$mb_sysroot"'^g' \ -e 's^@cross_compile@^'"$mb_cross_compile"'^g' \ -e 's^@shell@^'"$mb_shell"'^g' \ \ -e 's^@cflags@^'"$mb_cflags"'^g' \ -e 's^@cflags_debug@^'"$mb_cflags_debug"'^g' \ -e 's^@cflags_common@^'"$mb_cflags_common"'^g' \ -e 's^@cflags_cmdline@^'"$mb_cflags $mb_cflags_cmdline"'^g' \ -e 's^@cflags_config@^'"$mb_cflags_config"'^g' \ -e 's^@cflags_sysroot@^'"$mb_cflags_sysroot"'^g' \ -e 's^@cflags_os@^'"$mb_cflags_os"'^g' \ -e 's^@cflags_site@^'"$mb_cflags_site"'^g' \ -e 's^@cflags_path@^'"$mb_cflags_path"'^g' \ -e 's^@cflags_strict@^'"$mb_cflags_strict"'^g' \ -e 's^@cflags_util@^'"$mb_cflags_util"'^g' \ -e 's^@cflags_last@^'"$mb_cflags_last"'^g' \ -e 's^@cflags_once@^'"$mb_cflags_once"'^g' \ \ -e 's^@ldflags@^'"$mb_ldflags"'^g' \ -e 's^@ldflags_debug@^'"$mb_ldflags_debug"'^g' \ -e 's^@ldflags_common@^'"$mb_ldflags_common"'^g' \ -e 's^@ldflags_cmdline@^'"$mb_ldflags $mb_ldflags_cmdline"'^g' \ -e 's^@ldflags_config@^'"$mb_ldflags_config"'^g' \ -e 's^@ldflags_sysroot@^'"$mb_ldflags_sysroot"'^g' \ -e 's^@ldflags_path@^'"$mb_ldflags_path"'^g' \ -e 's^@ldflags_strict@^'"$mb_ldflags_strict"'^g' \ -e 's^@ldflags_util@^'"$mb_ldflags_util"'^g' \ -e 's^@ldflags_last@^'"$mb_ldflags_last"'^g' \ -e 's^@ldflags_once@^'"$mb_ldflags_once"'^g' \ \ -e 's^@pe_subsystem@^'"$mb_pe_subsystem"'^g' \ -e 's^@pe_image\_base@^'"$mb_pe_image_base"'^g' \ -e 's^@pe_config\_defs@^'"$mb_pe_config_defs"'^g' \ \ -e 's^@elf_eh\_frame@^'"$mb_elf_eh_frame"'^g' \ -e 's^@elf_hash\_style@^'"$mb_elf_hash_style"'^g' \ -e 's^@elf_config\_defs@^'"$mb_elf_config_defs"'^g' \ \ -e 's^@prefix@^'"$mb_prefix"'^g' \ -e 's^@exec_prefix@^'"$mb_exec_prefix"'^g' \ -e 's^@bindir@^'"$mb_bindir"'^g' \ -e 's^@libdir@^'"$mb_libdir"'^g' \ -e 's^@includedir@^'"$mb_includedir"'^g' \ -e 's^@mandir@^'"$mb_mandir"'^g' \ -e 's^@docdir@^'"$mb_docdir"'^g' \ -e 's^@libexecdir@^'"$mb_libexecdir"'^g' \ \ -e 's^@native_cc@^'"$mb_native_cc"'^g' \ -e 's^@native_os@^'"$mb_native_os"'^g' \ -e 's^@native_os_bits@^'"$mb_native_os_bits"'^g' \ -e 's^@native_os_underscore@^'"$mb_native_os_underscore"'^g' \ \ -e 's^@user_cc@^'"$mb_user_cc"'^g' \ -e 's^@user_cpp@^'"$mb_user_cpp"'^g' \ -e 's^@user_cxx@^'"$mb_user_cxx"'^g' \ \ -e 's^@all_static@^'"$mb_all_static"'^g' \ -e 's^@all_shared@^'"$mb_all_shared"'^g' \ -e 's^@disable_frontend@^'"$mb_disable_frontend"'^g' \ -e 's^@disable_static@^'"$mb_disable_static"'^g' \ -e 's^@disable_shared@^'"$mb_disable_shared"'^g' \ $mb_project_dir/Makefile.in > $mb_pwd/Makefile } config_support() { [ "$mb_disable_shared" = 'yes' ] && return 0 mbt_cc=`make .display-cc` mbt_cflags=`make .display-cflags` mbt_source='int foo(int x){return ++x;}' mbt_result='no' rm -f a.out echo "$mbt_source" | "$mbt_cc" -shared -o a.out -xc - stat a.out >/dev/null 2>&1 && mbt_result='yes' rm -f a.out if [ "$mbt_result" = 'no' ]; then mb_disable_shared='yes' config_copy fi } config_host() { make -s host.tag && return 0 error_msg "configure was able to generate a Makefile for the selected host," error_msg "however the host-targeting compiler was found to be missing" error_msg "at least one of the required headers or features." exit 2 } config_status() { printf "\n\n" make .display printf "\nconfiguration completed successfully.\n\n" } # one: init init_vars verify_build_directory # two: args for arg ; do case "$arg" in --help) usage ;; # dirs --prefix=*) mb_prefix_set=yes mb_prefix=${arg#*=} ;; --exec-prefix=*) mb_exec_prefix_set=yes mb_exec_prefix=${arg#*=} ;; --bindir=*) mb_bindir=${arg#*=} ;; --libdir=*) mb_libdir=${arg#*=} ;; --includedir=*) mb_includedir=${arg#*=} ;; --mandir=*) mb_mandir=${arg#*=} ;; --libexecdir=*) mb_libexecdir=${arg#*=} ;; # build --build=*) mb_build=${arg#*=} ;; --host=*) mb_host=${arg#*=} ;; --target=*) mb_target=${arg#*=} ;; --arch=*) mb_arch=${arg#*=} ;; --compiler=*) mb_compiler=${arg#*=} ;; --toolchain=*) mb_toolchain=${arg#*=} ;; --sysroot=*) mb_sysroot=${arg#*=} ;; --cross-compile=*) mb_cross_compile=${arg#*=} ;; --shell=*) mb_shell=${arg#*=} ;; --debug) mb_debug='yes' ;; # config --all-static) mb_all_static='yes' ;; --all-shared) mb_all_shared='yes' ;; --disable-frontend) mb_disable_frontend='yes' ;; --disable-app) mb_disable_frontend='yes' ;; --enable-frontend) mb_disable_frontend='no' ;; --enable-app) mb_disable_frontend='no' ;; --disable-static) mb_disable_static='yes' ;; --disable-shared) mb_disable_shared='yes' ;; --enable-static) mb_disable_static='no' ;; --enable-shared) mb_disable_shared='no' ;; # convenience --strict) mb_ccstrict='yes' mb_ldstrict='yes' ;; --ccstrict) mb_ccstrict='yes' ;; --ldstrict) mb_ldstrict='yes' ;; # project --nickname=*) mb_nickname=${arg#*=} ;; --avoid-version) mb_avoid_version='yes' ;; *) error_msg ${arg#}: "unsupported config argument." exit 2 ;; esac done # three: defaults common_defaults native_defaults cross_defaults # four: config config_flags config_copy config_support config_host config_status # all done exit 0