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-rwxr-xr-xconfigure432
1 files changed, 432 insertions, 0 deletions
diff --git a/configure b/configure
new file mode 100755
index 0000000..3e222ce
--- /dev/null
+++ b/configure
@@ -0,0 +1,432 @@
+#!/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 config.usage
+ exit $?
+}
+
+error_msg()
+{
+ echo $@ >&2
+}
+
+
+init_vars()
+{
+ mb_project_dir=$(cd `dirname $0` ; pwd)
+ mb_pwd=`pwd`
+
+ if [ x"$mb_config" = x ]; then
+ . $mb_project_dir/config.project || exit 2
+ else
+ . "$mb_config" || exit 2
+ fi
+
+ # dirs
+ mb_prefix=$PREFIX
+ mb_bindir=$BINDIR
+ mb_libdir=$LIBDIR
+ mb_includedir=$INCLUDEDIR
+ mb_syslibdir=$LIBDIR
+ mb_mandir=$MANDIR
+ mb_docdir=$DOCDIR
+ mb_libexecdir=$LIBEXECDIR
+
+
+ # build
+ mb_build=$BUILD
+ mb_host=$HOST
+ mb_target=$TARGET
+ mb_arch=$ARCH
+ 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_path=$CFLAGS_PATH
+
+ mb_ldflags=$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_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=$CXX
+}
+
+
+verify_build_directory()
+{
+ if [ x"$mb_project_dir" = x"$mb_pwd" ]; then
+ if [ x"$mb_require_out_of_tree" = xyes ]; then
+ error_msg "$mb_package: out-of-tree builds are required."
+ error_msg "please invoke configure again from a clean build directory."
+ exit 2
+ else
+ mb_project_dir='.'
+ fi
+ fi
+}
+
+
+common_defaults()
+{
+ # dirs
+ [ -z "$mb_prefix" ] && mb_prefix=$mb_default_prefix
+ [ -z "$mb_bindir" ] && mb_bindir=$mb_default_bindir
+ [ -z "$mb_libdir" ] && mb_libdir=$mb_default_libdir
+ [ -z "$mb_includedir" ] && mb_includedir=$mb_default_includedir
+ [ -z "$mb_syslibdir" ] && mb_syslibdir=$mb_default_syslibdir
+ [ -z "$mb_mandir" ] && mb_mandir=$mb_default_mandir
+ [ -z "$mb_docdir" ] && mb_docdir=$mb_default_docdir
+ [ -z "$mb_libexecdir" ] && mb_libexecdir=$mb_default_libexecdir
+
+ # build
+ [ -z "$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_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_path" ] && mb_cflags_path=$mb_default_cflags_path
+
+ [ -z "$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_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=$mb_default_elf_config_defs
+
+ # host/target
+ [ -z "$mb_host" ] && mb_host=$mb_target
+ [ -z "$mb_target" ] && mb_target=$mb_host
+
+ # sysroot
+ if [ x"$mb_sysroot" != x ]; then
+ if [ x"$mb_cflags_sysroot" = x ]; then
+ mb_cflags_sysroot="--sysroot=$mb_sysroot"
+ fi
+
+ if [ x"$mb_ldflags_sysroot" = x ]; then
+ mb_ldflags_sysroot="-Wl,--sysroot,$mb_sysroot"
+ fi
+ fi
+
+ # debug
+ if [ x"$mb_debug" = xyes ]; then
+ if [ x"$mb_cflags_debug" = x ]; then
+ mb_cflags_debug='-g3 -O0'
+ fi
+ fi
+
+ # toolchain
+ if [ x"$mb_toolchain" != x ]; then
+ if [ x"$mb_native_cc" = x ]; then
+ mb_native_cc=$mb_toolchain
+ fi
+ fi
+}
+
+
+native_defaults()
+{
+ # CC (when set, must be valid)
+ if [ x"$CC" != x ]; then
+ $CC -dM -E - < /dev/null > /dev/null || exit 2
+ fi
+
+ # toolchain
+ [ -z "$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'
+ $mb_native_cc -dM -E - < /dev/null > /dev/null 2>/dev/null || mb_native_cc=
+
+ if [ x"$mb_native_cc" = x ]; then
+ error_msg "config error: could not find a working native compiler."
+ exit 2
+ fi
+
+ if [ x"$mb_toolchain" = x ]; then
+ $mb_native_cc -dM -E - < /dev/null | grep '__clang__' > /dev/null && mb_toolchain='clang'
+ fi
+
+ if [ x"$mb_toolchain" = x ]; then
+ $mb_native_cc -dM -E - < /dev/null | grep '__GCC' > /dev/null && mb_toolchain='gcc'
+ fi
+
+ if [ x"$mb_toolchain" = x ]; then
+ $mb_native_cc -dM -E - < /dev/null | grep '__CPARSER__' > /dev/null && mb_toolchain='cparser'
+ fi
+
+ if [ x"$mb_toolchain" = x ]; then
+ error_msg "config error: could not identify the native compiler."
+ exit 2
+ fi
+
+
+ # host
+ if [ x"$mb_host" = x ]; then
+ mb_host='native'
+ fi
+
+
+ # target
+ if [ x"$mb_target" = x ]; 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 [ $mb_native_os_bits = 32 ]; then
+ mb_native_os_underscore='_'
+ else
+ mb_native_os_underscore=''
+ fi
+
+ if [ x"$mb_native_os_sizeof_pointer" = x ]; then
+ error_msg "config error: could not determine size of pointer on native system."
+ exit 2
+ fi
+
+ [ -z "$mb_native_os" ] && mb_native_os=$mb_native_os
+ [ -z "$mb_native_os_bits" ] && mb_native_os_bits=$mb_native_os_bits
+ [ -z "$mb_native_os_underscore" ] && mb_native_os_underscore=$mb_native_os_underscore
+}
+
+
+cross_defaults()
+{
+ if [ x"$mb_cross_compile" = x ] && [ x"$mb_host" != xnative ]; then
+ mb_cross_compile=$mb_host'-'
+ fi
+}
+
+
+config_copy()
+{
+ sed -e 's^@package@^'"$mb_package"'^g' \
+ -e 's^@project_dir@^'"$mb_project_dir"'^g' \
+ \
+ -e 's^@build@^'"$mb_build"'^g' \
+ -e 's^@host@^'"$mb_host"'^g' \
+ -e 's^@target@^'"$mb_target"'^g' \
+ -e 's^@arch@^'"$mb_arch"'^g' \
+ -e 's^@toolchain@^'"$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@^'"$mb_cflags_sysroot"'^g' \
+ -e 's^@cflags_path@^'"$mb_cflags_path"'^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^@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@^'"$mb_prefix"'^g' \
+ -e 's^@bindir@^'"$mb_bindir"'^g' \
+ -e 's^@libdir@^'"$mb_libdir"'^g' \
+ -e 's^@includedir@^'"$mb_includedir"'^g' \
+ -e 's^@syslibdir@^'"$mb_syslibdir"'^g' \
+ -e 's^@mandir@^'"$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' \
+ $mb_project_dir/Makefile.in > $mb_pwd/Makefile
+}
+
+
+config_host()
+{
+ make host.tag && return 0
+
+ error_msg "configure was able to generate a Makefile for the selected host,"
+ error_msg "however the host-targeting toolchain was found to be missing"
+ error_msg "at least one of the required headers or features."
+ exit 2
+}
+
+
+config_status()
+{
+ printf "\n\n"
+ make .display
+ printf "\nconfiguration completed successfully.\n\n"
+}
+
+# one: init
+init_vars
+verify_build_directory
+
+
+# two: args
+for arg ; do
+ case "$arg" in
+ --help) usage
+ ;;
+
+ # dirs
+ --prefix=*)
+ mb_prefix=${arg#*=}
+ ;;
+ --bindir=*)
+ mb_bindir=${arg#*=}
+ ;;
+ --libdir=*)
+ mb_libdir=${arg#*=}
+ ;;
+ --includedir=*)
+ mb_includedir=${arg#*=}
+ ;;
+ --syslibdir=*)
+ mb_syslibdir=${arg#*=}
+ ;;
+ --mandir=*)
+ mb_mandir=${arg#*=}
+ ;;
+ --libexecdir=*)
+ mb_libexecdir=${arg#*=}
+ ;;
+
+
+ # build
+ --build=*)
+ mb_build=${arg#*=}
+ ;;
+ --host=*)
+ mb_host=${arg#*=}
+ ;;
+ --target=*)
+ mb_target=${arg#*=}
+ ;;
+ --arch=*)
+ mb_arch=${arg#*=}
+ ;;
+ --toolchain=*)
+ mb_toolchain=${arg#*=}
+ ;;
+ --sysroot=*)
+ mb_sysroot=${arg#*=}
+ ;;
+ --cross-compile=*)
+ mb_cross_compile=${arg#*=}
+ ;;
+ --shell=*)
+ mb_shell=${arg#*=}
+ ;;
+ --debug)
+ mb_debug='yes'
+ ;;
+ *)
+ error_msg ${arg#}: "unsupported config argument."
+ exit 2
+ ;;
+ esac
+done
+
+
+
+# three: defaults
+common_defaults
+native_defaults
+cross_defaults
+
+
+
+# four: config
+config_copy
+config_host
+config_status
+
+
+# all done
+exit 0