Mercurial > pub > dyncall > dyncall
view configure @ 521:a2de1d0a73f3
- more test code generator code sharing/abstraction/simplifications
author | Tassilo Philipp |
---|---|
date | Wed, 13 Apr 2022 10:06:40 +0200 |
parents | 09aaa2e774cd |
children | fe31a2e3ac90 |
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#!/bin/sh usage() { cat <<EOF usage: $0 --<option>=<value> <var>=<value> .. --prefix=<dir> --target=<platform> uname/special targets: macos,iOS,iPhoneSimulator use "?" to get a list of explicitly specifiable targets --sdk=<version> Mac OS X/iOS SDK version (e.g. '6.1' or '10.9.3') Tested iOS SDK versions: 4.3, 6.1, 8.1 --sdkroot=<dir> Useful variables CC, CXX, CFLAGS, CXXFLAGS, etc.. EOF } C=Makefile.config # get full path to this file (portable way), and set where to build SRCTOP="`cd \`dirname "$0"\` && pwd`" BLDTOP="$PWD" printf "# auto-generated by $0\n" >$C while [ $# -gt 0 ]; do X=$1 shift 1 case $X in # Shell common: --help|-h|-?) usage exit 1 ;; # GNU Compatibility: --prefix=*) PREFIX=`printf -- "${X}" | cut -c 10-` ;; --target=*) TARGET=`printf -- "${X}" | cut -c 10-` ;; --sdk=*) SDK=`printf -- "${X}" | cut -c 7-` ;; --sdkroot=*) SDKROOT=`printf -- "${X}" | cut -c 11-` ;; # Environment variables: [A-Za-z_]*=*) printf "${X}\n" >>$C k=`printf "${X}" | cut -d = -f 1` v=`printf "${X}" | cut -d = -f 2` export $k="$v" ;; # Others fail: *) printf "error: invalid option ${X}\n" >&2 exit 1 ;; esac done printf "PREFIX=${PREFIX:=/usr/local}\n" >>$C case ${TARGET:=`uname`} in Linux|GNU/kFreeBSD) if [ -z "${CFLAGS}" ]; then printf "CFLAGS=-fPIC\n" >>$C fi printf "LDLIBS=-lm -ldl\n" >>$C ;; OpenBSD) if [ -z "${CFLAGS}" ]; then # dl_iterate_phdr() got introduced in 3.7, so for older versions force DL_DLADDR_TO_LIBPATH if (uname -r | grep '^\([0-2]\.\|3\.[0-6]\)' > /dev/null); then printf "CFLAGS=-fPIC -DDL_DLADDR_TO_LIBPATH\n" >>$C else printf "CFLAGS=-fPIC\n" >>$C fi fi printf "LDLIBS=-lm\n" >>$C ;; NetBSD|DragonFly) if [ -z "${CFLAGS}" ]; then printf "CFLAGS=-fPIC\n" >>$C fi printf "LDLIBS=-lm\n" >>$C ;; FreeBSD) if [ -z "${CFLAGS}" ]; then if [ `uname -m` = "mips" ] && make -V MACHINE_ARCH | grep 'hf$' >/dev/null 2>&1; then # FBSD12-CURRENT/mipshf needs to be told explicitly to use -mhard-float (at least as of may 2018) printf "CFLAGS=-fPIC -mhard-float\n" >>$C else printf "CFLAGS=-fPIC\n" >>$C fi fi printf "LDLIBS=-lm\n" >>$C printf "RM=rm -f\n" >>$C ;; MacOSX|macos|Darwin) # if Apple's libtool (not to be confused with GNU's) is available, which is according to libtool(1) "with -static [...] intended # to replace ar(5) and ranlib", use it - if it is shadowed by some install of GNU's libtool assume that a foreign environment is # intentionally used, and fall back to using 'ar rs' (the equivalent to 'libtool -static'), for compatibility: if libtool -V >/dev/null 2>/dev/null; then # Apple's libtool has -V for version, which GNU does not. printf "AR=libtool\n" >>$C printf "ARFLAGS=-static -o\n" >>$C else printf "AR=ar\n" >>$C printf "ARFLAGS=rs\n" >>$C # 's' is crucial for universal binary archives fi if [ `uname -n` = 'iPhone' ]; then # building on iPhone itself, uname yields Darwin (gcc setup for current/correct arch) printf "CC=gcc\n" >>$C elif [ -z ${SDK} ]; then case `sw_vers -productVersion` in 10.4.*) # == tiger (10.4.*) ARCHS="-arch ppc -arch i386 -arch x86_64" ;; 10.5.*) # == leopard (10.5.*) ARCHS="-arch i386 -arch x86_64 -arch ppc" ;; 10.6.*) # == snow leopard (10.6.*) ARCHS="-arch i386 -arch x86_64" # no more ppc ;; 10.[789].*|10.1[0123].*|10.1[0123]) # >= lion (10.7.*), <= high sierra (10.13.*) ARCHS="-arch x86_64 -arch i386" ;; 10.1?.*|10.1?) # >= mojave (10.14.*) ARCHS="-arch x86_64" # mojave is final os to run x86 code, but removed build support for it ;; esac printf "ASFLAGS=${ARCHS}\n" >>$C printf "CFLAGS=${ARCHS}\n" >>$C printf "CXXFLAGS=${ARCHS}\n" >>$C else if [ -z ${SDKROOT} ]; then SDKROOT="`xcode-select -print-path`/Platforms/MacOSX.platform/Developer/SDKs/MacOSX${SDK}.sdk" fi printf "CFLAGS=-isysroot ${SDKROOT}\n" >>$C printf "CXXFLAGS=-isysroot ${SDKROOT}\n" >>$C fi ;; iPhoneOS|iOS) if [ -z ${SDKROOT} ]; then SDKROOT="`xcode-select -print-path`/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS${SDK}.sdk" fi if [ -z "${ARCHS}" ]; then case "${SDK}" in [45].*) ARCHS="-arch armv6" ;; [67].*) ARCHS="-arch armv7" ;; [89].*|1[0-9].*) ARCHS="-arch armv7 -arch arm64" ;; esac fi printf "ARFLAGS=rs\n" >>$C # 's' is crucial for universal binary archives printf "ASFLAGS=${ARCHS} -isysroot ${SDKROOT}\n" >>$C printf "CFLAGS=${ARCHS} -isysroot ${SDKROOT}\n" >>$C printf "CXXFLAGS=${ARCHS} -isysroot ${SDKROOT}\n" >>$C printf "LDFLAGS=-Wl,-syslibroot ${SDKROOT}\n" >>$C ;; iPhoneSimulator) if [ -z ${SDKROOT} ]; then SDKROOT="`xcode-select -print-path`/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator${SDK}.sdk" fi ARCHS="-arch i386" printf "ASFLAGS=${ARCHS} -isysroot ${SDKROOT}\n" >>$C printf "CFLAGS=${ARCHS} -isysroot ${SDKROOT}\n" >>$C printf "CXXFLAGS=${ARCHS} -isysroot ${SDKROOT}\n" >>$C printf "LDFLAGS=-Wl,-syslibroot ${SDKROOT}\n" >>$C ;; SunOS) # open distributions often don't come with default cc and CC, check for common alternatives. printf "CC=` (which cc gcc clang ) | grep -v '^no ' | head -1`\n" >>$C printf "CXX=`(which CC g++ clang++) | grep -v '^no ' | head -1`\n" >>$C # C++ compiler traditionally named CC printf "CCC=\${CXX}\n" >>$C # Sun make's rules use CCC for c++ compiler printf "LDLIBS=-lm -ldl\n" >>$C ;; Minix) printf "CC=gcc\n" >>$C printf "CXX=g++\n">>$C printf "AR=ar\n" >>$C ;; PSP) SDKROOT="`psp-config --pspsdk-path`" printf "CC=psp-gcc\n" >>$C printf "CXX=psp-gcc\n">>$C # don't use psp-g++, buggy printf "AR=psp-ar\n" >>$C printf "CFLAGS=-I${SDKROOT}/include/\n" >>$C printf "CXXFLAGS=-I${SDKROOT}/include/\n" >>$C # Pulling in dyncall libs below is a hack, for some reason psp-ld is super-picky about order. # Use your C lib of choice, from the PSPSDK, or... #printf "LDLIBS=-L${SDKROOT}/lib/ -L${SRCTOP}/dyncall -L${SRCTOP}/dyncallback -ldyncall_s -ldyncallback_s -lm -lpspdebug -lpspdisplay -lpspge -lpspctrl -lpspsdk -lstdc++ -lpsplibc -lpspnet -lpspnet_inet -lpspnet_apctl -lpspnet_resolver -lpsputility -lpspuser \n" >>$C # ... newlib. printf "LDLIBS=-L${SDKROOT}/lib/ -L${SRCTOP}/dyncall -L${SRCTOP}/dyncallback -ldyncall_s -ldyncallback_s -lm -lpspdebug -lpspdisplay -lpspge -lpspctrl -lpspsdk -lstdc++ -lc -lpspnet -lpspnet_inet -lpspnet_apctl -lpspnet_resolver -lpsputility -lpspuser \n" >>$C ;; ?) cat $0 | awk '/^esac$/{b=0}/^ [A-Za-z0-9|]+\)/{if(b==1) print substr($1,1,length($1)-1)}BEGIN{b=0}/^case.*TARGET.*uname.*in$/{b=1}' | tr '|' '\n' exit 0 ;; esac # removed, b/c platform support not consistent and ELF flags checked often not having any result # ## Assure objects not asking for an execstack (or binary that links dyncall might end ## up with one, for no reason). # ## .s.o/.S.o rules often use ${CC} which then invokes the tools needed. GCC and ## others might (annoyingly) assume that an executable stack may be required for ## those sources, if not told explicitly that it isn't. ## Neither specifying this per source (e.g. via .section .note.GNU-stack,"",...), nor ## per toolchain flags (e.g. as' --noexecstack) turned out to be portable across our ## supported platforms, toolchains, and different versions of the latter (some even ## producing the opposite result). ## Find needed build flags by running a few tests; use default if none result in "rw-". # #RWXTESTPREFIX="rwxtest" # @@@ put this maybe all in Makefile.generic? out of source builds? #for s in S s ; do ( # cd "$BLDTOP" # # asm test file, with main and _main for portability. # (echo '.text';(echo '.globl main';echo 'main:') | sed 'p;s/m/_m/') > $RWXTESTPREFIX.$s # # # Check var to be used, which depends on inference rules of this platform. E.g. ASFLAGS is only common on GNU, and # # on some other platforms only CFLAGS is the only one used, others use AFLAGS with cc and thus need -Wa,... Check # # makes use of the config written so far, so use '+=' to not overwrite vars. # for f in "" "ASFLAGS+=-Wa,--noexecstack" "ACFLAGS+=-Wa,--noexecstack" "AFLAGS+=--noexecstack" "AFLAGS+=-Wa,--noexecstack" "CFLAGS+=-Wa,--noexecstack"; do # # dummy makefile triggering inference rules, reflecting dyncall's build # make -f - <<MAKEFILE #include $C #$f ## Force dependency via .o, to avoid .[sS].out rules that might be set - also set command as not all platforms set .o.out #$RWXTESTPREFIX.out: $RWXTESTPREFIX.o # \${CC} \${CFLAGS} \${LDFLAGS} $RWXTESTPREFIX.o \${LDLIBS} -o $RWXTESTPREFIX.out #MAKEFILE # # # Check what stack of a built test binary would result in. ## @@@ add xxd hexdump based versions for when objdump is not available; also check for those if we deal with ELF files ## @@@ maybe also limit to ELF files # STACKFLAGS=`(which objdump && objdump -p $RWXTESTPREFIX.out) | sed -e '/STACK/bx' -e 'd' -e ':x' -e 'N' -e 's/^.*flags[ \t]\([^ \t]*\).*/\1/'` # rm $RWXTESTPREFIX.out $RWXTESTPREFIX.o # if [ "$STACKFLAGS" = "rw-" ]; then # printf "$f\n" # break # fi # # done # # rm $RWXTESTPREFIX.$s # #) done 2>&1 | grep '^[ASC]\+FLAGS.*noexecstack$' | uniq >>$C # Generate all makefiles needed FILES=`( cd $SRCTOP ; find . -name "Makefile.generic" )` for FILE in $FILES ; do SRCFILE="$SRCTOP/$FILE" BLDFILE="$BLDTOP/$FILE" SRCDIR=`dirname $SRCFILE` BLDDIR=`dirname $BLDFILE` mkdir -p "$BLDDIR" cat <<EOF >$BLDDIR/Makefile VPATH = $SRCDIR include $BLDTOP/Makefile.config include \${VPATH}/Makefile.generic EOF done echo "Configuration written to $C"