diff options
Diffstat (limited to 'sofort/ccenv')
| -rw-r--r-- | sofort/ccenv/ccenv.in | 85 | ||||
| -rw-r--r-- | sofort/ccenv/ccenv.sh | 1067 | ||||
| -rw-r--r-- | sofort/ccenv/ccenv.usage | 78 | ||||
| -rw-r--r-- | sofort/ccenv/ccenv.vars | 82 |
4 files changed, 1312 insertions, 0 deletions
diff --git a/sofort/ccenv/ccenv.in b/sofort/ccenv/ccenv.in new file mode 100644 index 0000000..531a7dd --- /dev/null +++ b/sofort/ccenv/ccenv.in @@ -0,0 +1,85 @@ +# @ccenv_cfgtype@ system flavor +OS = @ccenv_os@ +OS_SEMANTICS = @ccenv_os_semantics@ + +OS_DSO_EXRULES = @ccenv_os_dso_exrules@ +OS_DSO_LINKAGE = @ccenv_os_dso_linkage@ + +OS_APP_PREFIX = @ccenv_os_app_prefix@ +OS_APP_SUFFIX = @ccenv_os_app_suffix@ + +OS_LIB_PREFIX = @ccenv_os_lib_prefix@ +OS_LIB_SUFFIX = @ccenv_os_lib_suffix@ + +OS_IMPLIB_EXT = @ccenv_os_implib_ext@ +OS_LIBDEF_EXT = @ccenv_os_libdef_ext@ + +OS_ARCHIVE_EXT = @ccenv_os_archive_ext@ +OS_SONAME = @ccenv_os_soname@ + +OS_LIB_PREFIXED_SUFFIX = @ccenv_os_lib_prefixed_suffix@ +OS_LIB_SUFFIXED_SUFFIX = @ccenv_os_lib_suffixed_suffix@ + +# @ccenv_cfgtype@ characteristics +CC_HOST = @ccenv_cc_host@ +CC_BITS = @ccenv_cc_bits@ + +CC_BINFMT = @ccenv_cc_binfmt@ +CC_UNDERSCORE = @ccenv_cc_underscore@ + +CC_ARCH_BFD = @ccenv_cc_arch_bfd@ +CC_ARCH_LLVM = @ccenv_cc_arch_llvm@ + +# incompatible tool variants +AS_ASM = @ccenv_as_asm@ +AS_LL = @ccenv_as_ll@ +AS_MC = @ccenv_as_mc@ + +LD_BFD = @ccenv_ld_bfd@ +LD_GOLD = @ccenv_ld_gold@ +LD_LLD = @ccenv_ld_lld@ + +OBJDUMP_BFD = @ccenv_objdump_bfd@ +OBJDUMP_LLVM = @ccenv_objdump_llvm@ + +READELF_BFD = @ccenv_readelf_bfd@ +READELF_LLVM = @ccenv_readelf_llvm@ + +# @ccenv_cfgtype@ primary tools +CC = @ccenv_cc@ +CPP = @ccenv_cpp@ +CXX = @ccenv_cxx@ + +AR = @ccenv_ar@ +NM = @ccenv_nm@ +OBJDUMP = @ccenv_objdump@ +RANLIB = @ccenv_ranlib@ +SIZE = @ccenv_size@ +STRIP = @ccenv_strip@ +STRINGS = @ccenv_strings@ + +ADDR2LINE = @ccenv_addr2line@ +COV = @ccenv_cov@ +CXXFILT = @ccenv_cxxfilt@ +OBJCOPY = @ccenv_objcopy@ + +ELFEDIT = @ccenv_elfedit@ +READELF = @ccenv_readelf@ +READOBJ = @ccenv_readobj@ + +PERK = @ccenv_perk@ +MDSO = @ccenv_mdso@ +DLLTOOL = @ccenv_dlltool@ + +WINDMC = @ccenv_windmc@ +WINDRC = @ccenv_windrc@ + +# @ccenv_cfgtype@ secondary tools +# note: the direct use of $(@ccenv_makevar_prefix@LD) is highly discouraged +AS = @ccenv_as@ +LD = @ccenv_ld@ + +# @ccenv_cfgtype@ cflags +CFLAGS_OS += @ccenv_cflags_os@ +CFLAGS_PIC += @ccenv_cflags_pic@ + diff --git a/sofort/ccenv/ccenv.sh b/sofort/ccenv/ccenv.sh new file mode 100644 index 0000000..d6876c7 --- /dev/null +++ b/sofort/ccenv/ccenv.sh @@ -0,0 +1,1067 @@ +# ccenv.sh: sofort's tool-finding bits, +# invoked from within the project-agnostic configure script. + +# invocation and names of binary tools: +# agnostic names (ar, nm, objdump, ...); +# target-prefixed agnostic names (x86_64-nt64-midipix-ar, ...); +# branded names (llvm-ar, llvm-nm, llvm-objdump, ...); +# target-prefixed branded names (x86_64-linux-gnu-gcc-ar, ...); +# target-specifying branded tools (llvm-ar --target=x86_64-linux, ...). + +# cross-compilation: default search order: +# target-prefixed agnostic tools; +# target-prefixed branded tools, starting with the prefix +# most commonly associated with the selected compiler (that is, +# ``gcc'' when using gcc, and ``llvm'' when using clang); +# target-speficying branded tools, starting once again with the +# prefix most commonly associated with the selected compiler. + +# internal variables of interest: +# ccenv_cfgtype: the type of host being tested (host/native) +# ccenv_cfgfile: the configuration file for the host being tested +# ccenv_cflags: the comprehensive cflags for the host being tested +# ccenv_cchost: the host being tested, as reported by -dumpmachine + + +ccenv_usage() +{ + cat "$mb_project_dir"/sofort/ccenv/ccenv.usage + exit 0 +} + + +ccenv_newline() +{ + printf '\n' >> "$ccenv_cfgfile" +} + + +ccenv_comment() +{ + ccenv_internal_str='#' + + for ccenv_internal_arg ; do + ccenv_internal_str="$ccenv_internal_str $ccenv_internal_arg" + done + + printf '%s\n' "$ccenv_internal_str" >> "$ccenv_cfgfile" +} + + +ccenv_find_tool() +{ + if [ -z "$ccenv_prefixes" ]; then + for ccenv_tool in $ccenv_candidates; do + command -v "$ccenv_tool" > /dev/null && return 0 + done + + ccenv_tool=false + + return 0 + fi + + for ccenv_prefix in $ccenv_prefixes; do + for ccenv_candidate in $ccenv_candidates; do + ccenv_tool="$ccenv_prefix$ccenv_candidate" + command -v "$ccenv_tool" > /dev/null && return 0 + done + done + + for ccenv_tool in $ccenv_candidates; do + command -v "$ccenv_tool" > /dev/null && return 0 + done + + ccenv_tool=false + + return 0 +} + + +ccenv_set_primary_tools() +{ + ccenv_core_tools="ar nm objdump ranlib size strip strings objcopy" + ccenv_hack_tools="addr2line cov elfedit readelf readobj" + ccenv_peep_tools="perk mdso dlltool windmc windres" + + for __tool in $ccenv_core_tools $ccenv_hack_tools $ccenv_peep_tools; do + if [ -n "$mb_agnostic" ]; then + ccenv_candidates=" $__tool" + + elif [ -n "$mb_zealous" ]; then + ccenv_candidates="$mb_zealous-$__tool" + + elif [ "$mb_toolchain" = 'gcc' ]; then + ccenv_candidates="gcc-$__tool" + ccenv_candidates="$ccenv_candidates $__tool" + ccenv_candidates="$ccenv_candidates llvm-$__tool" + + elif [ "$mb_toolchain" = 'llvm' ]; then + ccenv_candidates="llvm-$__tool" + ccenv_candidates="$ccenv_candidates $__tool" + ccenv_candidates="$ccenv_candidates gcc-$__tool" + + elif [ -n "$mb_toolchain" ]; then + ccenv_candidates="$mb_toolchain-$__tool" + ccenv_candidates="$ccenv_candidates $__tool" + ccenv_candidates="$ccenv_candidates gcc-$__tool" + ccenv_candidates="$ccenv_candidates llvm-$__tool" + + else + ccenv_candidates="$__tool" + ccenv_candidates="$ccenv_candidates gcc-$__tool" + ccenv_candidates="$ccenv_candidates llvm-$__tool" + fi + + if [ "$ccenv_cfgtype" = 'host' ]; then + ccenv_var_prefix='mb_' + else + ccenv_var_prefix='mb_native_' + fi + + ccenv_var_name=$ccenv_var_prefix$__tool + ccenv_var_expr='${'$ccenv_var_name':-}' + eval ccenv_var_val=$ccenv_var_expr + + if [ -n "$ccenv_var_val" ]; then + eval ccenv_$__tool="$ccenv_var_val" + else + ccenv_find_tool + eval ccenv_$__tool="$ccenv_tool" + fi + done + + # windrc + ccenv_windrc="$ccenv_windres" +} + +ccenv_set_tool_variants() +{ + # as (asm) + ccenv_candidates=as + ccenv_find_tool + + if [ "$ccenv_tool" = false ]; then + ccenv_as_asm= + else + $ccenv_tool --help | grep -i '.bc assembler' \ + || ccenv_as_asm="$ccenv_tool" + fi + + # as (ll) + ccenv_candidates=llvm-as + ccenv_find_tool + + if [ "$ccenv_tool" != false ]; then + ccenv_as_ll="$ccenv_tool" + fi + + # as (mc) + ccenv_candidates=llvm-mc + ccenv_find_tool + + if [ "$ccenv_tool" != false ]; then + ccenv_as_mc="$ccenv_tool" + fi + + # ld (bfd) + ccenv_candidates=ld.bfd + ccenv_find_tool + + if [ "$ccenv_tool" != false ]; then + ccenv_ld_bfd="$ccenv_tool" + fi + + # ld (gold) + ccenv_candidates=ld.gold + ccenv_find_tool + + if [ "$ccenv_tool" != false ]; then + ccenv_ld_gold="$ccenv_tool" + fi + + # ld (lld) + ccenv_candidates=lld + ccenv_find_tool + + if [ "$ccenv_tool" != false ]; then + ccenv_ld_lld="$ccenv_tool" + fi + + # objdump (bfd) + ccenv_candidates=objdump + ccenv_find_tool + + $ccenv_tool --version | grep -i Binutils \ + > /dev/null \ + && ccenv_objdump_bfd="$ccenv_tool" + + # objdump (llvm) + ccenv_candidates=llvm-objdump + ccenv_find_tool + + $ccenv_tool --version | grep -i LLVM \ + > /dev/null \ + && ccenv_objdump_llvm="$ccenv_tool" + + # readelf (bfd) + ccenv_candidates=readelf + ccenv_find_tool + + $ccenv_tool --version | grep -i Binutils \ + > /dev/null \ + && ccenv_readelf_bfd="$ccenv_tool" + + # readelf (llvm) + ccenv_candidates=llvm-readelf + ccenv_find_tool + + $ccenv_tool --version | grep -i LLVM \ + > /dev/null \ + && ccenv_readelf_llvm="$ccenv_tool" + + # as + if [ -n "$ccenv_cc" ]; then + ccenv_as='$('"$ccenv_makevar_prefix"'CC) -x assembler' + elif [ -n "$mb_agnostic" ]; then + ccenv_as='$('"$ccenv_makevar_prefix"'AS_ASM)' + elif [ "$mb_zealous" = 'gcc' ]; then + ccenv_as='$('"$ccenv_makevar_prefix"'AS_ASM)' + elif [ -n "$mb_zealous" = 'llvm' ]; then + ccenv_as='$('"$ccenv_makevar_prefix"'AS_MC)' + elif [ "$mb_toolchain" = 'gcc' ]; then + ccenv_as='$('"$ccenv_makevar_prefix"'AS_ASM)' + elif [ "$mb_toolchain" = 'llvm' ]; then + ccenv_as='$('"$ccenv_makevar_prefix"'AS_MC)' + fi + + # ld + if [ -n "$ccenv_cc" ]; then + ccenv_ld='$('"$ccenv_makevar_prefix"'CC) -nostdlib -nostartfiles' + fi +} + +ccenv_set_c_compiler_candidates() +{ + if [ -n "$mb_compiler" ]; then + ccenv_candidates="$mb_compiler" + + elif [ -n "$mb_agnostic" ]; then + ccenv_candidates="c99 c11 cc" + + elif [ "$mb_zealous" = 'gcc' ]; then + ccenv_candidates="gcc" + + elif [ "$mb_zealous" = 'llvm' ]; then + ccenv_candidates="clang" + + elif [ "$mb_toolchain" = 'gcc' ]; then + ccenv_candidates="gcc c99 c11 cc clang" + + elif [ "$mb_toolchain" = 'llvm' ]; then + ccenv_candidates="clang c99 c11 cc gcc" + + elif [ -n "$mb_toolchain" ]; then + ccenv_candidates="$mb_toolchain c99 c11 cc gcc clang" + + else + ccenv_candidates="c99 c11 cc gcc clang" + fi +} + + +ccenv_set_cc() +{ + if [ -z "$ccenv_cc" ]; then + ccenv_set_c_compiler_candidates + ccenv_find_tool + ccenv_cc="$ccenv_tool" + fi + + if [ "$ccenv_cc" = false ] && [ -n "$mb_compiler" ]; then + ccenv_cc="$mb_compiler" + fi + + ccenv_cc_cmd="$ccenv_cc" + + if [ "$ccenv_cfgtype" = 'native' ]; then + ccenv_host=$($ccenv_cc $ccenv_cflags -dumpmachine 2>/dev/null) + ccenv_cchost=$ccenv_host + return 0 + fi + + if [ -n "$mb_cchost" ]; then + ccenv_host="$mb_cchost" + elif [ -n "$mb_host" ]; then + ccenv_host="$mb_host" + else + ccenv_host= + fi + + if [ -z "$ccenv_host" ]; then + ccenv_host=$($ccenv_cc $ccenv_cflags -dumpmachine 2>/dev/null) + ccenv_cchost=$ccenv_host + else + ccenv_tmp=$(mktemp) + ccenv_cmd="$ccenv_cc --target=$ccenv_host -E -xc -" + + if [ -z "$mb_user_cc" ]; then + $ccenv_cmd < /dev/null > /dev/null \ + 2>"$ccenv_tmp" || true + + ccenv_errors=$(cat "$ccenv_tmp") + + if [ -z "$ccenv_errors" ]; then + ccenv_tflags="--target=$ccenv_host" + ccenv_cc="$ccenv_cc $ccenv_tflags" + fi + fi + + ccenv_cchost=$($ccenv_cc $ccenv_cflags -dumpmachine 2>/dev/null) + fi + + if [ "$ccenv_cchost" != "$ccenv_host" ]; then + printf 'ccenv:\n' >&2 + printf 'ccenv: ccenv_host: %s \n' $ccenv_host >&2 + printf 'ccenv: ccenv_cchost: %s \n' $ccenv_cchost >&2 + + if [ -z "$ccenv_tflags" ]; then + printf 'ccenv:\n' >&2 + printf 'ccenv: ccenv_host and ccenv_cchost do not match, most likely because:\n' >&2 + printf 'ccenv: (1) you explicitly set CC (or passed --compiler=...)\n' >&2 + printf 'ccenv: (2) the selected compiler does not accept --target=...\n' >&2 + printf 'ccenv: (3) the host reported by -dumpmachine differs from the one you requested.\n' >&2 + fi + + if [ -n "$ccenv_errors" ]; then + printf 'ccenv:\n' >&2 + printf 'ccenv: something went wrong, see the command and compiler message below.\n\n' >&2 + printf 'cmd: %s < /dev/null > /dev/null\n' "$ccenv_cmd" >&2 + printf '%s\n\n' "$ccenv_errors" >&2 + else + printf 'ccenv:\n' >&2 + printf 'ccenv: something went wrong, bailing out.\n\n' >&2 + fi + + return 2 + fi +} + +ccenv_set_cpp() +{ + case "$ccenv_cc_cmd" in + cc | c99 | c11 | gcc) + ccenv_cpp_prefix= + ccenv_candidates="cpp" ;; + + clang ) + ccenv_cpp_prefix= + ccenv_candidates="clang-cpp" ;; + + *-cc ) + ccenv_cpp_prefix=${ccenv_cc_cmd%-cc*}- + ccenv_candidates="${ccenv_cpp_prefix}cpp" ;; + + *-c99 ) + ccenv_cpp_prefix=${ccenv_cc_cmd%-c99*}- + ccenv_candidates="${ccenv_cpp_prefix}cpp" ;; + + *-c11 ) + ccenv_cpp_prefix=${ccenv_cc_cmd%-c11*}- + ccenv_candidates="${ccenv_cpp_prefix}cpp" ;; + + *-gcc ) + ccenv_cpp_prefix=${ccenv_cc_cmd%-gcc*}- + ccenv_candidates="${ccenv_cpp_prefix}cpp" ;; + + *-clang ) + ccenv_cpp_prefix=${ccenv_cc_cmd%-clang*}- + ccenv_candidates="${ccenv_cpp_prefix}clang-cpp" ;; + + * ) + ccenv_cpp="$ccenv_cc -E" + return 0 + esac + + ccenv_find_tool + + if [ "$ccenv_tool" = false ]; then + ccenv_cpp="$ccenv_cc -E" + elif [ -n "$ccenv_tflags" ]; then + ccenv_cpp="$ccenv_tool $ccenv_tflags" + else + ccenv_cpp="$ccenv_tool" + fi +} + +ccenv_set_cxx() +{ + case "$ccenv_cc_cmd" in + cc | c99 | c11 ) + ccenv_cxx_prefix= + ccenv_candidates="cxx c++" ;; + + gcc ) + ccenv_cxx_prefix= + ccenv_candidates="g++" ;; + + clang ) + ccenv_cxx_prefix= + ccenv_candidates="clang++" ;; + + *-gcc ) + ccenv_cpp_prefix=${ccenv_cc_cmd%-gcc*}- + ccenv_candidates="${ccenv_cpp_prefix}g++" ;; + + *-clang ) + ccenv_cpp_prefix=${ccenv_cc_cmd%-clang*}- + ccenv_candidates="${ccenv_cpp_prefix}clang++" ;; + + *cc ) + ccenv_cxx_prefix=${ccenv_cc_cmd%cc*} + ccenv_candidates="${ccenv_cpp_prefix}++" ;; + + * ) + ccenv_cxx="$ccenv_cc -xc++" + return 0 + esac + + ccenv_find_tool + + if [ "$ccenv_tool" = false ]; then + ccenv_cxx="$ccenv_cc -xc++" + elif [ -n "$ccenv_tflags" ]; then + ccenv_cxx="$ccenv_tool $ccenv_tflags" + else + ccenv_cxx="$ccenv_tool" + fi +} + +ccenv_set_cc_host() +{ + ccenv_cc_host="$ccenv_cchost" +} + +ccenv_set_cc_bits() +{ + ccenv_internal_size= + ccenv_internal_type='void *' + ccenv_internal_test='char x[(sizeof(%s) == %s/8) ? 1 : -1];' + + for ccenv_internal_guess in 64 32 128; do + if [ -z $ccenv_internal_size ]; then + ccenv_internal_str=$(printf "$ccenv_internal_test" \ + "$ccenv_internal_type" \ + "$ccenv_internal_guess") + + printf '%s' "$ccenv_internal_str" \ + | $ccenv_cc -S -xc - -o - \ + $ccenv_cflags \ + > /dev/null 2>/dev/null \ + && ccenv_internal_size=$ccenv_internal_guess + fi + done + + ccenv_cc_bits=$ccenv_internal_size +} + +ccenv_set_cc_underscore() +{ + ccenv_fn_name='ZmYaXyWbVe_UuTnSdReQrPsOcNoNrLe' + ccenv_fn_code='int %s(void){return 0;}' + + printf "$ccenv_fn_code" $ccenv_fn_name \ + | $ccenv_cc -xc - -S -o - \ + | grep "^_$ccenv_fn_name:" \ + > /dev/null \ + && ccenv_cc_underscore='_' + + return 0 +} + +ccenv_create_framework_executable() +{ + if [ -f $ccenv_image ]; then + mv $ccenv_image $ccenv_image.tmp + rm -f $ccenv_image.tmp + fi + + printf 'int main(void){return 0;}' \ + | $ccenv_cc -xc - \ + -o $ccenv_image \ + || return 1 + + return 0 +} + +ccenv_create_freestanding_executable() +{ + if [ -f $ccenv_image ]; then + mv $ccenv_image $ccenv_image.tmp + rm -f $ccenv_image.tmp + fi + + if [ -z "ccenv_cc_underscore" ]; then + ccenv_start_fn='_start' + else + ccenv_start_fn='start' + fi + + printf 'int %s(void){return 0;}' "$ccenv_start_fn" \ + | $ccenv_cc -xc - \ + -ffreestanding \ + -nostdlib -nostartfiles \ + -o $ccenv_image \ + || return 1 + + ccenv_freestd=yes + + return 0 +} + +ccenv_set_cc_binfmt() +{ + ccenv_use_perk= + ccenv_use_readelf= + ccenv_use_readobj= + ccenv_use_bfd_objdump= + ccenv_use_llvm_objdump= + + ccenv_create_framework_executable \ + || ccenv_create_freestanding_executable \ + || return 0 + + # PE / perk + if [ -n "$ccenv_perk" ]; then + $ccenv_perk $ccenv_image 2>/dev/null \ + && ccenv_cc_binfmt='PE' \ + && ccenv_use_perk=yes + fi + + # ELF / readelf + if [ -n "$ccenv_readelf" ] && [ -z "$ccenv_cc_binfmt" ]; then + $ccenv_readelf -h $ccenv_image 2>/dev/null \ + | grep 'Magic:' | sed -e 's/[ ]*//g' \ + | grep 'Magic:7f454c46' \ + > /dev/null \ + && ccenv_cc_binfmt='ELF' \ + && ccenv_use_readelf=yes + fi + + # a marble of astonishing design: + # llvm-readelf also parses PE and Mach-O + + if [ -n "$ccenv_readelf_llvm" ]; then + ccenv_readany="$ccenv_readelf_llvm" + else + ccenv_readany="$ccenv_readelf" + fi + + # PE / readelf + if [ -n "$ccenv_readany" ] && [ -z "$ccenv_cc_binfmt" ]; then + $ccenv_readany -h $ccenv_image 2>/dev/null \ + | grep 'Magic:' | sed -e 's/[ ]*//g' \ + | grep 'Magic:MZ' \ + > /dev/null \ + && ccenv_cc_binfmt='PE' \ + && ccenv_use_readelf=yes + fi + + # MACHO-64 / readelf + if [ -n "$ccenv_readany" ] && [ -z "$ccenv_cc_binfmt" ]; then + $ccenv_readany -h $ccenv_image 2>/dev/null \ + | grep -i 'Magic:' | sed -e 's/[ ]*//g' \ + | grep -i '(0xfeedfacf)' \ + > /dev/null \ + && ccenv_cc_binfmt='MACHO' \ + && ccenv_use_readelf=yes + fi + + # MACHO-32 / readelf + if [ -n "$ccenv_readany" ] && [ -z "$ccenv_cc_binfmt" ]; then + $ccenv_readany -h $ccenv_image 2>/dev/null \ + | grep -i 'Magic:' | sed -e 's/[ ]*//g' \ + | grep -i '(0xcafebabe)' \ + > /dev/null \ + && ccenv_cc_binfmt='MACHO' \ + && ccenv_use_readelf=yes + fi + + # MACHO / readobj + if [ -n "$ccenv_readobj" ] && [ -z "$ccenv_cc_binfmt" ]; then + $ccenv_readobj $ccenv_image 2>/dev/null \ + | grep -i 'Format:' | sed 's/ /_/g' \ + | grep -i '_Mach-O_' \ + > /dev/null \ + && ccenv_cc_binfmt='MACHO' \ + && ccenv_use_readobj=yes + fi + + # MACHO / objdump (llvm) + if [ -n "$ccenv_objdump" ] && [ -z "$ccenv_cc_binfmt" ]; then + $ccenv_objdump -section-headers $ccenv_image \ + 2>/dev/null \ + | grep -i 'file format Mach-O' \ + > /dev/null \ + && ccenv_cc_binfmt='MACHO' \ + && ccenv_use_objdump=yes + fi + + # MACHO / objdump (bfd) + if [ -n "$ccenv_objdump" ] && [ -z "$ccenv_cc_binfmt" ]; then + $ccenv_objdump -h $ccenv_image 2>/dev/null \ + | grep -i 'file format Mach-O' \ + > /dev/null \ + && ccenv_cc_binfmt='MACHO' \ + && ccenv_use_objdump=yes + fi + + # PE / objdump (bfd) + if [ -n "$ccenv_objdump" ] && [ -z "$ccenv_cc_binfmt" ]; then + $ccenv_objdump -h $ccenv_image 2>/dev/null \ + | grep -i 'file format pei-' \ + > /dev/null \ + && ccenv_cc_binfmt='PE' \ + && ccenv_use_bfd_objdump=yes + fi +} + +ccenv_set_os_pe() +{ + if [ -n "$ccenv_freestd" ]; then + case "$ccenv_cchost" in + *-midipix | *-midipix-* ) + ccenv_os='midipix' ;; + *-mingw | *-mingw32 | *-mingw64 ) + ccenv_os='mingw' ;; + *-mingw-* | *-mingw32-* | *-mingw64 ) + ccenv_os='mingw' ;; + *-msys | *-msys2 | *-msys-* | *-msys2-* ) + ccenv_os='msys' ;; + *-cygwin | *-cygwin-* ) + ccenv_os='cygwin' ;; + esac + fi + + if [ -n "$ccenv_os" ]; then + return 0 + fi + + if [ -n "$ccenv_use_perk" ]; then + ccenv_framework=$($ccenv_perk -y $ccenv_image) + ccenv_os=${ccenv_framework#*-*-*-*} + fi + + if [ -z "$ccenv_os" ] && [ -n "$ccenv_objdump_bfd" ]; then + $ccenv_objdump_bfd -x $ccenv_image | grep -i 'DLL Name' \ + | grep 'cygwin1.dll' > /dev/null \ + && ccenv_os='cygwin' + fi + + if [ -z "$ccenv_os" ] && [ -n "$ccenv_objdump_bfd" ]; then + $ccenv_objdump_bfd -x $ccenv_image | grep -i 'DLL Name' \ + | grep 'msys-2.0.dll' > /dev/null \ + && ccenv_os='msys' + fi + + if [ -z "$ccenv_os" ] && [ -n "$ccenv_objdump_bfd" ]; then + $ccenv_objdump_bfd -x $ccenv_image \ + | grep -i 'DLL Name' | grep '.CRT' \ + > /dev/null \ + && $ccenv_objdump_bfd -x $ccenv_image \ + | grep -i 'DLL Name' | grep '.bss' \ + > /dev/null \ + && $ccenv_objdump_bfd -x $ccenv_image \ + | grep -i 'DLL Name' | grep '.tls' \ + > /dev/null \ + && ccenv_os='mingw' + fi +} + +ccenv_set_os_macho() +{ + case "$ccenv_cchost" in + *-apple-darwin* ) + ccenv_os='darwin' ;; + esac +} + +ccenv_set_os() +{ + case "$ccenv_cc_binfmt" in + PE ) + ccenv_set_os_pe ;; + MACHO ) + ccenv_set_os_macho ;; + esac + + if [ -n "$ccenv_os" ]; then + return 0 + fi + + case "$ccenv_cchost" in + *-*-*-* ) + ccenv_tip=${ccenv_cchost%-*} + ccenv_os=${ccenv_tip#*-*-} + ;; + *-*-musl | *-*-gnu ) + ccenv_tip=${ccenv_cchost%-*} + ccenv_os=${ccenv_tip#*-} + ;; + *-*-* ) + ccenv_os=${ccenv_cchost#*-*-} + ;; + *-* ) + ccenv_os=${ccenv_cchost#*-} + ;; + esac + + if [ -z "$ccenv_os" ]; then + ccenv_os='anyos' + fi +} + +ccenv_set_os_flags() +{ + case "$ccenv_os" in + darwin ) + ccenv_cflags_os='-D_DARWIN_C_SOURCE' + ccenv_cflags_pic='-fPIC' + ;; + midipix ) + ccenv_cflags_os= + ccenv_cflags_pic='-fPIC' + ;; + cygwin ) + ccenv_cflags_os= + ccenv_cflags_pic= + ;; + msys | msys* | mingw | mingw* ) + ccenv_cflags_os='-U__STRICT_ANSI__' + ccenv_cflags_pic= + ;; + * ) + ccenv_cflags_os= + ccenv_cflags_pic='-fPIC' + ;; + esac +} + +ccenv_set_os_semantics() +{ + # binary_format - core_api - ex_api - dependency_resolution + + case "$ccenv_os" in + linux ) + ccenv_os_semantics='elf-posix-linux-ldso' + ;; + bsd ) + ccenv_os_semantics='elf-posix-bsd-ldso' + ;; + darwin ) + ccenv_os_semantics='macho-posix-osx-ldso' + ;; + midipix ) + ccenv_os_semantics='pe-posix-winnt-ldso' + ;; + cygwin ) + ccenv_os_semantics='pe-hybrid-winnt-unsafe' + ;; + msys ) + ccenv_os_semantics='pe-hybrid-winnt-unsafe' + ;; + mingw ) + ccenv_os_semantics='pe-win32-winnt-unsafe' + ;; + esac + + if [ -n "$ccenv_os_semantics" ]; then + return 0 + fi + + if [ -n "$ccenv_cc_binfmt" ]; then + ccenv_os_semantics_pattern='%s-posix-anyos-unknown' + ccenv_os_semantics=$(printf \ + "$ccenv_os_semantics_pattern" \ + "$ccenv_cc_binfmt" \ + | tr '[:upper:]' '[:lower:]') + else + ccenv_os_semantics='unknown-posix-anyos-unknown' + fi +} + +ccenv_set_os_dso_exrules() +{ + case "$ccenv_os" in + midipix ) + ccenv_os_dso_exrules='pe-mdso' + ;; + * ) + if [ "$ccenv_cc_binfmt" = 'PE' ]; then + ccenv_os_dso_exrules='pe-dlltool' + else + ccenv_os_dso_exrules='default' + fi + esac +} + +ccenv_set_os_dso_linkage() +{ + # todo: PIC, PIE, and friends + ccenv_os_dso_linkage='default' +} + +ccenv_set_os_dso_patterns_darwin() +{ + ccenv_os_app_prefix= + ccenv_os_app_suffix= + + ccenv_os_lib_prefix=lib + ccenv_os_lib_suffix=.dylib + + ccenv_os_implib_ext=.invalid + ccenv_os_libdef_ext=.invalid + + ccenv_os_archive_ext=.a + ccenv_os_soname=symlink + + ccenv_os_lib_prefixed_suffix= + ccenv_os_lib_suffixed_suffix='$(OS_LIB_SUFFIX)' +} + +ccenv_set_os_dso_patterns_mdso() +{ + ccenv_os_app_prefix= + ccenv_os_app_suffix= + + ccenv_os_lib_prefix=lib + ccenv_os_lib_suffix=.so + + ccenv_os_implib_ext=.lib.a + ccenv_os_libdef_ext=.so.def + + ccenv_os_archive_ext=.a + ccenv_os_soname=symlink + + ccenv_os_lib_prefixed_suffix='$(OS_LIB_SUFFIX)' + ccenv_os_lib_suffixed_suffix= +} + +ccenv_set_os_dso_patterns_dlltool() +{ + ccenv_os_app_prefix= + ccenv_os_app_suffix=.exe + + ccenv_os_lib_prefix=lib + ccenv_os_lib_suffix=.dll + + ccenv_os_implib_ext=.dll.a + ccenv_os_libdef_ext=.def + + ccenv_os_archive_ext=.a + ccenv_os_soname=copy + + ccenv_os_lib_prefixed_suffix='$(OS_LIB_SUFFIX)' + ccenv_os_lib_suffixed_suffix= +} + +ccenv_set_os_dso_patterns_default() +{ + ccenv_os_app_prefix= + ccenv_os_app_suffix= + + ccenv_os_lib_prefix=lib + ccenv_os_lib_suffix=.so + + ccenv_os_implib_ext=.invalid + ccenv_os_libdef_ext=.invalid + + ccenv_os_archive_ext=.a + ccenv_os_soname=symlink + + ccenv_os_lib_prefixed_suffix='$(OS_LIB_SUFFIX)' + ccenv_os_lib_suffixed_suffix= +} + +ccenv_set_os_dso_patterns() +{ + # sover: .so.x.y.z + # verso: .x.y.z.so + + case "$ccenv_os" in + darwin ) + ccenv_set_os_dso_patterns_darwin + ;; + midipix ) + ccenv_set_os_dso_patterns_mdso + ;; + cygwin | msys | mingw ) + ccenv_set_os_dso_patterns_dlltool + ;; + * ) + ccenv_set_os_dso_patterns_default + ;; + esac +} + +ccenv_output_defs() +{ + ccenv_in="$mb_project_dir/sofort/ccenv/ccenv.in" + ccenv_mk="$mb_pwd/ccenv/$ccenv_cfgtype.mk" + + if [ $ccenv_cfgtype = 'native' ]; then + + ccenv_tmp=$(mktemp) + + sed \ + -e 's/^\s*$/@/g' \ + -e 's/^/NATIVE_/' \ + -e 's/NATIVE_@//g' \ + -e 's/NATIVE_#/#/g' \ + -e 's/ =/=/g' \ + -e 's/ +=/+=/g' \ + "$ccenv_in" > "$ccenv_tmp" + + ccenv_in="$ccenv_tmp" + fi + + ccenv_vars=$(cut -d'=' -f1 "$mb_project_dir/sofort/ccenv/ccenv.vars" \ + | grep -v '^#') + + ccenv_exvars="ccenv_cfgtype ccenv_makevar_prefix" + + ccenv_sed_substs=" \ + $(for __var in $ccenv_vars $ccenv_exvars; do \ + printf '%s"$%s"%s' "-e 's/@$__var@/'" \ + "$__var" "'/g' "; \ + done)" + + eval sed $ccenv_sed_substs "$ccenv_in" \ + | sed -e 's/[ \t]*$//g' \ + > "$ccenv_mk" + + if [ "$ccenv_cfgtype" = 'host' ]; then + for __var in $ccenv_vars; do + ccenv_src_var=$__var + ccenv_dst_var=mb_${__var#*ccenv_} + ccenv_var_expr='${'$ccenv_src_var':-}' + eval $ccenv_dst_var=$ccenv_var_expr + + done + + mb_host=$ccenv_host + mb_cchost=$ccenv_cchost + else + for __var in $ccenv_vars; do + ccenv_src_var=$__var + ccenv_dst_var=mb_native_${__var#*ccenv_} + ccenv_var_expr='${'$ccenv_src_var':-}' + eval "$ccenv_dst_var=$ccenv_var_expr" + done + + mb_native_host=$ccenv_host + mb_native_cchost=$ccenv_cchost + fi +} + +ccenv_dso_verify() +{ + ccenv_str='int foo(int x){return ++x;}' + ccenv_cmd="$ccenv_cc -xc - -shared -o a.out" + + rm -f a.out + + printf '%s' "$ccenv_str" | $ccenv_cmd \ + > /dev/null 2>/dev/null \ + || mb_disable_shared=yes + + rm -f a.out +} + +ccenv_clean_up() +{ + rm -f $ccenv_image +} + +ccenv_common_init() +{ + . "$mb_project_dir/sofort/ccenv/ccenv.vars" + + ccenv_cfgtype=$1 + ccenv_cfgfile="$mb_pwd/ccenv/$ccenv_cfgtype.mk" + ccenv_freestd= + ccenv_cchost= + + if [ $ccenv_cfgtype = 'native' ]; then + ccenv_makevar_prefix='NATIVE_' + ccenv_image='./ccenv/native.a.out' + else + ccenv_makevar_prefix= + ccenv_image='./ccenv/host.a.out' + fi + + if [ $ccenv_cfgtype = 'native' ]; then + ccenv_prefixes= + elif [ -n "$mb_cross_compile" ]; then + ccenv_prefixes="$mb_cross_compile" + elif [ -n "$mb_host" ]; then + ccenv_prefixes="$mb_host-" + else + ccenv_prefixes= + fi + + if [ $ccenv_cfgtype = 'host' ]; then + ccenv_tflags= + ccenv_cflags=$(make -s -f "$mb_pwd/Makefile.tmp" .display-cflags) + ccenv_cc="$mb_user_cc" + ccenv_cpp="$mb_user_cpp" + ccenv_cxx="$mb_user_cxx" + else + ccenv_tflags= + ccenv_cflags="$mb_native_cflags" + ccenv_cc="$mb_native_cc" + ccenv_cpp="$mb_native_cpp" + ccenv_cxx="$mb_native_cxx" + fi +} + +ccenv_set_characteristics() +{ + ccenv_set_cc_host + ccenv_set_cc_bits + ccenv_set_cc_underscore + ccenv_set_cc_binfmt +} + +ccenv_set_toolchain_variables() +{ + ccenv_common_init $1 + ccenv_set_cc + ccenv_set_cpp + ccenv_set_cxx + ccenv_set_primary_tools + ccenv_set_tool_variants + ccenv_set_characteristics + + ccenv_set_os + ccenv_set_os_flags + ccenv_set_os_semantics + ccenv_set_os_dso_exrules + ccenv_set_os_dso_linkage + ccenv_set_os_dso_patterns + + ccenv_output_defs + ccenv_clean_up +} + +ccenv_set_host_variables() +{ + ccenv_set_toolchain_variables 'host' + ccenv_dso_verify +} + +ccenv_set_native_variables() +{ + if [ _$mb_ccenv_skip_native != _yes ]; then + ccenv_set_toolchain_variables 'native' + fi +} diff --git a/sofort/ccenv/ccenv.usage b/sofort/ccenv/ccenv.usage new file mode 100644 index 0000000..8eab780 --- /dev/null +++ b/sofort/ccenv/ccenv.usage @@ -0,0 +1,78 @@ +A few words on sofort's tool-finding logic +========================================== + +# the goals of sofort's tool-finding logic are: +- follow a clear, transparent, and consistent logic +- allow users to easily specify per-build preferences +- allow distros to easily and cleanly use site-wide settings + + +# three-way terminology: +- native machine: where make(1) will be running. +- host machine: where the package's program or libraries will execute. +- target machine: where code generated by the host package will execute. + +! NOTE, however, that the host/target distinction is only relevant + when building a code-generating utility (e.g. a compiler), and that + the two are otherwise rather synonymous. Moreover, in practice it + is much more common to see configure scripts being invoked with a + --target=<machine> argument specifying the host, than with a + --host=<machine> argument. + + +# invocation and names of binary tools: +- agnostic names (ar, nm, objdump, ...) +- branded names (llvm-ar, llvm-nm, llvm-objdump, ...) +- machine-prefixed agnostic names (x86_64-nt64-midipix-ar, ...) +- machine-prefixed branded names (x86_64-linux-gnu-gcc-ar, ...) +- machine-specifying branded tools, as in + llvm-ar --target=x86_64-linux. + + +# cross-compilation: default search order: +- machine-prefixed agnostic tools +- machine-prefixed branded tools, starting with the prefix + most commonly associated with the selected compiler (that is, + ``gcc'' when using gcc, and ``llvm'' when using clang) +- (machine-specifying) agnostic tools +- (machine-speficying) branded tools, starting once again with the + prefix most commonly associated with the selected compiler + + +# native builds: default search order: +- agnostic tools +- machine-prefixed agnostic tools +- machine-prefixed branded tools +- branded tools + + +# using an alternate search order: +- --toolchain=<prefix> (e.g. --toolchain=llvm) --> search for tools + that begin with <prefix> before searching for agnostic tools + + +# restricting which tools may be searched: +- --zealous --> only search for agnostic tools +- --zealous=<prefix> --> only search for <prefix>-branded tools + + +# per-tool overrides, by example of the ``ar'' tool: +- AR=ar --> set AR to $(command -v ar) +- AR=/path/to/ar --> set AR to the specified absolute path + + +# host generated config file and variable names: +- ccenv/host.mk +- AR, NM, OBJDUMP, ... + + +# native generated config file and variable names: +- ccenv/native.mk +- NATIVE_AR, NATIVE_NM, NATIVE_OBJDUMP, ... + + +# distro: site-wide preferences +- --ccenv=/path/to/site-specific/ccenv +- use the above to create ccenv as a symlink to + /path/to/site-specific/ccenv, and to accordingly + skip configure's tool-finding step. diff --git a/sofort/ccenv/ccenv.vars b/sofort/ccenv/ccenv.vars new file mode 100644 index 0000000..1d68357 --- /dev/null +++ b/sofort/ccenv/ccenv.vars @@ -0,0 +1,82 @@ +# system flavor +ccenv_os= +ccenv_os_semantics= + +ccenv_os_dso_exrules= +ccenv_os_dso_linkage= + +ccenv_os_app_prefix= +ccenv_os_app_suffix= + +ccenv_os_lib_prefix= +ccenv_os_lib_suffix= + +ccenv_os_implib_ext= +ccenv_os_libdef_ext= + +ccenv_os_archive_ext= +ccenv_os_soname= + +ccenv_os_lib_prefixed_suffix= +ccenv_os_lib_suffixed_suffix= + +# characteristics +ccenv_cc_host= +ccenv_cc_bits= + +ccenv_cc_binfmt= +ccenv_cc_underscore= + +ccenv_cc_arch_bfd= +ccenv_cc_arch_llvm= + +# incompatible tool variants +ccenv_as_asm= +ccenv_as_ll= +ccenv_as_mc= + +ccenv_ld_bfd= +ccenv_ld_gold= +ccenv_ld_lld= + +ccenv_objdump_bfd= +ccenv_objdump_llvm= + +ccenv_readelf_bfd= +ccenv_readelf_llvm= + +# tool variables +ccenv_cc= +ccenv_cpp= +ccenv_cxx= + +ccenv_as= +ccenv_ld= + +ccenv_ar= +ccenv_nm= +ccenv_objdump= +ccenv_ranlib= +ccenv_size= +ccenv_strip= +ccenv_strings= + +ccenv_addr2line= +ccenv_cov= +ccenv_cxxfilt= +ccenv_objcopy= + +ccenv_elfedit= +ccenv_readelf= +ccenv_readobj= + +ccenv_perk= +ccenv_mdso= +ccenv_dlltool= + +ccenv_windmc= +ccenv_windrc= + +# cflags +ccenv_cflags_os= +ccenv_cflags_pic= |