# --- T2-COPYRIGHT-NOTE-BEGIN --- # T2 SDE: package/*/gcc/parse-config # Copyright (C) 2004 - 2023 The T2 SDE Project # Copyright (C) 1998 - 2003 ROCK Linux Project # # This Copyright note is generated by scripts/Create-CopyPatch, # more information can be found in the files COPYING and README. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2. # --- T2-COPYRIGHT-NOTE-END --- # Use the stack protector patch, if not disabled for the pkg # if [ "$SDECFG_SSP" = 1 ]; then if ! hasflag NO-SSP; then var_append GCC_WRAPPER_INSERT ' ' '-fstack-protector-strong' else echo_warning 'Stack-Smashing Protector disabled for this package' fi fi [ "$SDECFG_AUTO_VAR_INIT" = 1 ] && case $pkg in gcc) : ;; # TODO: fine grained and bootloaders, too? *) var_append GCC_WRAPPER_INSERT ' ' '-ftrivial-auto-var-init=zero' ;; esac # It's usually better to not change the kernel optimization too drastically. # atstage toolchain && export KCC="$CC" || export KCC="${archprefix}kcc" var_insert KCC_WRAPPER_REMOVE " " "-O -O[0-9sgz]" # set CC, CXX and F77 environment variables # for x in CC CXX F77 ; do eval "y=\$SDECFG_DEFAULT_$x" if [[ $y = gcc* || $pkg = glibc* || $pkg = gcc || $pkg = memtest86 ]]; then case "$x-$stagelevel" in CC-*) z="${archprefix}gcc ${archprefix}gcc" ;; CXX*) z="${archprefix}g++ ${archprefix}g++" ;; F77*) z="${archprefix}g77 ${archprefix}gfortran" ;; *) export $x=${x}_not_available_in_stage_${stagelevel} continue ;; esac for y in $z ; do [ "`type -p $y`" ] && export $x=$y done fi done # Add the usual gcc optimazation options # Strip or add debug information # debug_flags='-g -ggdb -g[0-9] -gdwarf*' if [ "$SDECFG_DEBUG" = 0 ]; then var_append GCC_WRAPPER_APPEND " " "-c?:-s" var_insert GCC_WRAPPER_REMOVE " " "$debug_flags" var_append SYSGCC_WRAPPER_APPEND " " "-c?:-s" var_insert SYSGCC_WRAPPER_REMOVE " " "$debug_flags" else var_append GCC_WRAPPER_APPEND " " "-ggdb" var_insert GCC_WRAPPER_REMOVE " " "-s $debug_flags" var_append SYSGCC_WRAPPER_APPEND " " "-ggdb" var_insert SYSGCC_WRAPPER_REMOVE " " "-s $debug_flags" fi # Remove the optimization options, since we pass generic ones ... In ROCK # history this has been -m*, but this caused -msse and -maltivec style options # to get removed. So we better only remove a known set of -m options ... var_insert GCC_WRAPPER_REMOVE " " "-O -O[0-9sgz] -mtune* -march* -mcpu* -Werror -Wextra" var_insert KCC_WRAPPER_REMOVE " " "-Werror" var_insert SYSGCC_WRAPPER_REMOVE " " "-O -O[0-9sgz] -mtune* -march* -mcpu* -Werror" case "$SDECFG_OPT" in smart*) f="$confdir/$pkg.prof" # hack mostly for glibc32, could be made more generic [ -f "$f" ] || f="$confdir/../${pkg%%[0-9]*}/${pkg%%[0-9]*}.prof" # TODO: or fix awk script for non existing file? [ -f "$f" ] || f="/dev/null" basek="-Os" [ "$arch_sizeof_char_p" = 4 ] && basec="-Os" || basec="-O1" [ "$arch_sizeof_char_p" = 4 ] && basecxx="-O1" || basecxx="-O2" opt="-O2" [ "$SDECFG_OPT" = "smartly" ] && basecxx="$basec" [ "$SDECFG_OPT" = "smarter" ] && opt="-O3" kopt="$opt" [ "$SDECFG_OPT" = "smartest" ] && opt="-Ofast" && kopt="-O3" var_insert CC_WRAPPER_INSERT " " "$basec" var_insert CXX_WRAPPER_INSERT " " "$basecxx" var_insert GCC_WRAPPER_INSERT " " "-HOT$opt" var_insert GCC_WRAPPER_FILTER "|" "gawk -f $base/misc/tools-source/smart_wrapper.awk $f -" var_insert KCC_WRAPPER_INSERT " " "$basek -HOT$kopt" var_insert KCC_WRAPPER_FILTER "|" "gawk -f $base/misc/tools-source/smart_wrapper.awk $f -" var_insert SYSCC_WRAPPER_INSERT " " "$basec" var_insert SYSCXX_WRAPPER_INSERT " " "$basecxx" var_insert SYSGCC_WRAPPER_INSERT " " "-HOT$opt" var_insert SYSGCC_WRAPPER_FILTER "|" "gawk -f $base/misc/tools-source/smart_wrapper.awk $f -" ;; speed) var_insert GCC_WRAPPER_INSERT " " "-O2" var_insert KCC_WRAPPER_INSERT " " "-O2" var_insert SYSGCC_WRAPPER_INSERT " " "-O2" ;; fast) var_insert GCC_WRAPPER_INSERT " " "-O3" var_insert KCC_WRAPPER_INSERT " " "-O3" var_insert SYSGCC_WRAPPER_INSERT " " "-O3" ;; faster) var_insert GCC_WRAPPER_INSERT " " "-Ofast" var_insert KCC_WRAPPER_INSERT " " "-Ofast" var_insert SYSGCC_WRAPPER_INSERT " " "-Ofast" ;; size) var_insert GCC_WRAPPER_INSERT " " "-Os" var_insert KCC_WRAPPER_INSERT " " "-Os" var_insert SYSGCC_WRAPPER_INSERT " " "-Os" ;; lazy) var_insert GCC_WRAPPER_INSERT " " "-O1" var_insert KCC_WRAPPER_INSERT " " "-O1" var_insert SYSGCC_WRAPPER_INSERT " " "-O1" ;; debug) var_insert GCC_WRAPPER_INSERT " " "-Og" var_insert KCC_WRAPPER_INSERT " " "-Og" var_insert SYSGCC_WRAPPER_INSERT " " "-Og" ;; none) var_insert GCC_WRAPPER_INSERT " " "-O0" var_insert KCC_WRAPPER_INSERT " " "-O0" var_insert SYSGCC_WRAPPER_INSERT " " "-O0" ;; esac # Add the architecture gcc optimisation options # if [ -f architecture/$arch/gcc-options.in ]; then . architecture/$arch/gcc-options.in fi # gcc-4.1.0 hangs with -v --help -pipe, thus we do not add it in that case var_insert GCC_WRAPPER_INSERT ' ' '--help?:-pipe' var_insert SYSGCC_WRAPPER_INSERT ' ' '--help?:-pipe' [ "$SDECFG_LD_AS_NEEDED" != 0 ] && var_append GCC_WRAPPER_INSERT " " "-c?:-Wl,--as-needed" if hasflag NO-PIE; then [ "$SDECFG_PIE" == 1 ] && echo_warning 'Position-Independent Executables disabled for this package' elif [ "$SDECFG_PIE" == 1 ]; then case $SDECFG_STATIC in 0) var_append GCC_WRAPPER_INSERT " " "-fPIE -c?:-pie" var_append GCC_WRAPPER_APPEND " " "-fPIC" ;; 1) var_append GCC_WRAPPER_INSERT " " "-fPIE -c?:-static-pie" ;; esac fi var_append GCC_WRAPPER_APPEND " " "$SDECFG_C_FLAGS" var_append KCC_WRAPPER_APPEND " " "$SDECFG_C_FLAGS" # Compile (i.e. link) all bins statically # if [ "$SDECFG_STATIC" = 1 ]; then var_insert GCC_WRAPPER_INSERT " " "-static" fi # Compile with no exceptions or rtti, gcc itself must support both # if [ "$SDECFG_LIMITCXX" = 1 ] && [[ $pkg != gcc* ]]; then var_append CXX_WRAPPER_APPEND " " "-fno-exceptions -fno-rtti" fi # Passing -I/usr{/local/}include creates a warning in gcc3 which is confusing # some of the configure scripts and Makefiles. # var_insert GCC_WRAPPER_REMOVE " " "-I/usr/include -I/usr/local/include" # pkg-config and other output or hardcoded configure assumption # do not include the "DESTDIR" we need to adapt the pathes accordingly function gcc_sysroot_filter() { # merge multiple path separators var_append GCC_WRAPPER_FILTER '|' "sed -e 's,//*,/,g'" # translate all non-$sysroot with trailing /lib and correct to $libdir var_append GCC_WRAPPER_FILTER '|' \ "sed -e 's@^\(-[L]\|-Wl.*-rpath-link,\)*\(/\|/usr/\|/usr/[^/]*/\|/opt/[^/]*/\)\(lib\)\$@\1$root\2${libdir##*/}@'" # keep any other non-$sysdir /lib* as it var_append GCC_WRAPPER_FILTER '|' \ "sed -e 's@^\(-[L]\|-Wl.*-rpath-link,\)*\(/\|/usr/\|/usr/[^/]*/\|/opt/[^/]*/\)\(lib\)@\1$root\2\3@'" # and tranlate includes, too, and yes, we need "lib" for for lib/glib/include/glibconfig.h var_append GCC_WRAPPER_FILTER '|' \ "sed -e 's@^\(-[I]\)*\(/\|/usr/\|/usr/[^/]*/\|/opt/[^/]*/\)\(include\|lib\)@\1$root\2\3@'" var_append CPP_WRAPPER_FILTER '|' \ "sed -e 's@^\(-[I]\)*\(/\|/usr/\|/usr/[^/]*/\|/opt/[^/]*/\)\(include\|lib\)@\1$root\2\3@'" } hook_add prepare 5 gcc_sysroot_filter # Inject -fPIC if the package is marked to need a quirk ... # hasflag FPIC && var_append GCC_WRAPPER_APPEND ' ' '-fPIC' # Build with LTO, if not disabled for this package # if [ "$SDECFG_LTO" != 1 ]; then var_append GCC_WRAPPER_REMOVE " " "-flto*" else hasflag CUSTOM-LTO || var_append GCC_WRAPPER_REMOVE " " "-flto*" if hasflag NO-LTO; then echo_warning 'Link Time Optimization disabled for this package' elif ! hasflag CUSTOM-LTO; then if [ "$SDECFG_DEFAULT_CC" = clang ]; then var_append GCC_WRAPPER_INSERT " " "conftest*.*?:-flto=thin" else var_append GCC_WRAPPER_INSERT " " "conftest*.*?:-flto=${SDECFG_PARALLEL_MAX:-auto}" var_append GCC_WRAPPER_INSERT " " "conftest*.*?:-shared?:-fwhole-program" hasflag FAT-LTO && var_append GCC_WRAPPER_INSERT " " "-ffat-lto-objects" fi fi fi # -fcommon backward compatibility hasflag FCOMMON && var_append GCC_WRAPPER_INSERT " " "-fcommon" # usually 64-bit -latomic for some architectures hasflag LATOMIC && [ $arch != avr32 ] && var_append GCC_WRAPPER_INSERT ' ' '-c?:-latomic -Wl,--as-needed' # Remove -Wl,--as-needed, some packages break with it... # if hasflag NO-AS-NEEDED; then var_remove_regex GCC_WRAPPER_INSERT ' ' ".*-Wl,--as-needed" var_append GCC_WRAPPER_REMOVE ' ' "-Wl,--as-needed" fi