diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 614 |
1 files changed, 614 insertions, 0 deletions
diff --git a/configure b/configure new file mode 100755 index 0000000..4dacc2a --- /dev/null +++ b/configure @@ -0,0 +1,614 @@ +#!/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 +} + + +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 "$mb_project_dir/.git" ]; then + mb_git_reference_dir="\$(PROJECT_DIR)/.git" + fi + + # project + mb_nickname=$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_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=$LDFLAGS_UTIL + + mb_pe_subsystem=$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 "$mb_ldflags_debug" ] && mb_ldflags_debug=$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 "$mb_pe_subsystem" ] && mb_pe_subsystem=$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 + $mb_native_cc -dM -E - < /dev/null | grep '__clang__' > /dev/null && mb_compiler='clang' + fi + + if [ -z "$mb_compiler" ]; then + $mb_native_cc -dM -E - < /dev/null | grep '__GCC' > /dev/null && mb_compiler='gcc' + fi + + if [ -z "$mb_compiler" ]; then + $mb_native_cc -dM -E - < /dev/null | grep '__CPARSER__' > /dev/null && mb_compiler='cparser' + fi + + if [ -z "$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=`$mb_native_cc -dM -E - < /dev/null \ + | grep __SIZEOF_POINTER__ \ + | cut -d ' ' -f3` + + mb_native_os_bits=`expr '8' '*' '0'"$mb_native_os_sizeof_pointer"` + + 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 + error_msg "config error: could not determine size of pointer on native system." + exit 2 + 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@^'"$mb_project_dir"'^g' \ + -e 's^@git_reference_dir@^'"$mb_git_reference_dir"'^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^@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^@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 |