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kc3-lang/kc3/config.subr

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  • config.subr 
  • #!/bin/sh
## c3
## Copyright 2022,2023 kmx.io <contact@kmx.io>
##
## Permission is hereby granted to use this software granted the above
## copyright notice and this permission paragraph are included in all
## copies and substantial portions of this software.
##
## THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
## PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
## AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
## THIS SOFTWARE.

set -e

cd "$(dirname "$0")"
echo "$PWD/$(basename "$0")"

c_o_rule() {
    "$CC" $CPPFLAGS $CFLAGS -M "$1" || { echo "$1" | sed -e 's/^\(.*\)\.c$/\1.o: \1.c/'; }
    echo "$1" | sed -e 's/^\(.*\)\.c$/\1.o: Makefile config.mk/'
}

c_ext_rule() {
    c_o_rule "$2" | sed -e "s/[.]o:/$1:/"
}

c_lo_rule() {
    c_ext_rule .lo "$1"
}

c_prog_rule() {
    { c_o_rule "$1" || exit 1; } | sed -e 's/[.]o:/:/'
}

c2ext() {
    EXT="$1"; shift
    echo "$@" | sed -e "s/[.]c$/${EXT}/" -e "s/[.]c /${EXT} /g"
}

c2la() {
    c2ext .la "$@"
}

c2lo() {
    c2ext .lo "$@"
}

c2o() {
    c2ext .o "$@"
}

c2prog() {
    echo "$@" | sed -e 's/[.]c$//' -e 's/[.]c / /g'
}

config_asan() {
    echo "int main (void) { return 0; }" > .config_asan.c
    if $CC $CFLAGS .config_asan.c $LDFLAGS -lasan -o /dev/null 2>/dev/null; then
        HAVE_ASAN=true
    else
        HAVE_ASAN=false
    fi
    rm .config_asan.c
    echo "HAVE_ASAN = $HAVE_ASAN" >> ${CONFIG_MK}
}

config_define () {
    echo "#define $1 $2" >> "${CONFIG_H}"
}

config_gnu() {
    if grep -q _GNU_SOURCE /usr/include/features.h 2>/dev/null; then
	CFLAGS="$CFLAGS -D_GNU_SOURCE"
    fi
}

config_include() {
    OUT=".config_$1"
    OUT_C=".config_$1.c"
    shift
    echo "/* generated by configure */" > "$OUT_C"
    while [ $# -gt 1 ]; do
        echo "#include <$1>" >> "$OUT_C"
        shift
    done
    echo "int main (void) { return 0; }" >> "$OUT_C"
    if ${CC} ${CPPFLAGS} ${CFLAGS} "$OUT_C" -o "$OUT" >/dev/null 2>&1; then
        echo "#define $1 1" >> "${CONFIG_H}"
        eval "$1=Yes"
    else
        echo "#define $1 0" >> "${CONFIG_H}"
        eval "$1=No"
    fi
    rm -f "$OUT_C"
    rm -f "$OUT"
}

config_lib_have() {
    NAME="$1"
    shift
    OUT_C=".config_$NAME.c"
    OUT=".config_$NAME"
    echo "/* generated by configure */" > "$OUT_C"
    echo "int main (void) { return 0; }" >> "$OUT_C"
    if ${CC} ${CPPFLAGS} ${CFLAGS} "$OUT_C" ${LIBS} $@ -o "$OUT"; then
        eval "HAVE_$NAME=true"
        echo "HAVE_$NAME = true" >> ${CONFIG_MK}
    else
        eval "HAVE_$NAME=false"
        echo "HAVE_$NAME = false" >> ${CONFIG_MK}
    fi
    rm -f "$OUT" "$OUT_C"
}

config_lib() {
    NAME="$1"
    shift
    OUT_C=".config_$NAME.c"
    OUT=".config_$NAME"
    echo "/* generated by configure */" > "$OUT_C"
    echo "int main (void) { return 0; }" >> "$OUT_C"
    if ${CC} ${CPPFLAGS} ${CFLAGS} "$OUT_C" ${LDFLAGS} ${LIBS} $@ -o "$OUT"; then
        LIBS="$LIBS $@"
    fi
    rm -f "$OUT" "$OUT_C"
}

config_no_undefined() {
    OUT_C=".config_no_undefined.c"
    OUT=".config_no_undefined"
    echo "/* generated by configure */" > "$OUT_C"
    echo "int main (void) { return 0; }" >> "$OUT_C"
    if ${CC} ${CPPFLAGS} ${CFLAGS} "$OUT_C" ${LDFLAGS} -no-undefined ${LIBS} $@ -o "$OUT" >/dev/null 2>&1; then
        LDFLAGS="$LDFLAGS -no-undefined"
    fi
    rm -f "$OUT" "$OUT_C"
}

env_reset() {
    CPPFLAGS="$ENV_CPPFLAGS"
    CFLAGS="$ENV_CFLAGS"
    LDFLAGS="$ENV_LDFLAGS"
    LIBS="$ENV_LIBS"
}

objc_o_rule() {
    echo "$1" | sed -e 's/^\(.*\)\.m$/\1.o: \1.m/'
    echo "$1" | sed -e 's/^\(.*\)\.m$/\1.o: Makefile config.mk/'
}

objc_ext_rule() {
    objc_o_rule "$2" | sed -e "s/[.]o:/$1:/"
}

objc2ext() {
    EXT="$1"; shift
    echo "$@" | sed -e "s/[.]m$/${EXT}/" -e "s/[.]m /${EXT} /g"
}

pkg_config() {
    if pkg-config "$1"; then
	CFLAGS="$CFLAGS $(pkg-config --cflags "$1")"
	LIBS="$LIBS $(pkg-config --libs "$1")"
    fi
}

require_pkg_config() {
    if ! which pkg-config >/dev/null; then
        echo "please install pkg-config" >&2
        exit 1
    fi
}

sources() {
    echo "$1 = \\
$(echo "$2" | sed -e 's/^\(.*\)$/	\1 \\/')
" >> ${SOURCES_MK}
    echo "$1='$(echo "$2" | tr '\n' ' ')'" >> ${SOURCES_SH}
}

swift_o_rule() {
    echo "$1" | sed -e 's/^\(.*\)\.swift$/\1.o: \1.c/'
    echo "$1" | sed -e 's/^\(.*\)\.swift$/\1.o: Makefile config.mk/'
}

swift_ext_rule() {
    swift_o_rule "$2" | sed -e "s/[.]o:/$1:/"
}

swift2ext() {
    EXT="$1"; shift
    echo "$@" | sed -e "s/[.]swift$/${EXT}/" -e "s/[.]swift /${EXT} /g"
}

update_config_h() {
    echo "#endif" >> "${CONFIG_H}"
    if ! cmp "${CONFIG_H}" config.h >/dev/null 2>&1; then
        mv "${CONFIG_H}" config.h
        echo "-> ${PWD}/config.h"
    else
        rm "${CONFIG_H}"
    fi
}

update_config_mk() {
    if ! cmp "${CONFIG_MK}" config.mk >/dev/null 2>&1; then
        mv "${CONFIG_MK}" config.mk
        echo "-> ${PWD}/config.mk"
    else
        rm "${CONFIG_MK}"
    fi
}

update_sources_mk() {
    if ! cmp "${SOURCES_MK}" sources.mk >/dev/null 2>&1; then
        mv "${SOURCES_MK}" sources.mk
        echo "-> ${PWD}/sources.mk"
    else
        rm "${SOURCES_MK}"
    fi
}

update_sources_sh() {
    if ! cmp "${SOURCES_SH}" sources.sh >/dev/null 2>&1; then
        mv "${SOURCES_SH}" sources.sh
        echo "-> ${PWD}/sources.sh"
    else
        rm "${SOURCES_SH}"
    fi
}

CONFIG_H=config.h
CONFIG_H=".config.h.tmp"
echo "/* config.h generated by configure */" > ${CONFIG_H}
echo "#ifndef CONFIG_H" >> ${CONFIG_H}
echo "#define CONFIG_H" >> ${CONFIG_H}

CONFIG_MK=config.mk
CONFIG_MK=".config.mk.tmp"
echo "# config.mk generated by configure" > ${CONFIG_MK}

SOURCES_MK=sources.mk
SOURCES_MK=".sources.mk.tmp"
SOURCES_SH=sources.sh
SOURCES_SH=".sources.sh.tmp"

VER=0.1
echo "VER = $VER" >> ${CONFIG_MK}
echo "SRC_TOP = $SRC_TOP" >> ${CONFIG_MK}

ENV_CPPFLAGS="$CPPFLAGS"
ENV_CFLAGS="$CFLAGS"
ENV_LDFLAGS="$LDFLAGS"
ENV_LIBS="$LIBS"

if [ "x$CC" = "x" ]; then
    if test -n $(which cc); then
        CC=cc
    elif test -n $(which gcc); then
        CC=gcc
    fi
fi
echo "CC = $CC" >> ${CONFIG_MK}

CC_TARGET=$(LC_ALL=C cc -v 2>&1 | grep 'Target: ' | cut -c 9-)
echo "CC_TARGET = $CC_TARGET" >> ${CONFIG_MK}

if [ "x$GCOV" = "xfalse" ]; then
    HAVE_GCOV=false
else
    if [ "x$GCOV" = "x" ]; then
        if which gcov >/dev/null 2>&1; then
	    GCOV=gcov
            HAVE_GCOV=true
        elif which egcov >/dev/null 2>&1; then
	    GCOV=egcov
            HAVE_GCOV=true
        fi
        HAVE_GCOV=false
    else
        HAVE_GCOV=true
    fi
fi
echo "HAVE_GCOV = $HAVE_GCOV" >> ${CONFIG_MK}
if ${HAVE_GCOV}; then
    echo "GCOV = $GCOV" >> ${CONFIG_MK}
fi

if [ "x$GMAKE" = "x" ]; then
    if which gmake >/dev/null 2>&1; then
        GMAKE=gmake
    else
        GMAKE=make
    fi
fi
echo "GMAKE = $GMAKE" >> ${CONFIG_MK}

if [ "x$INSTALL" = "x" ]; then
    if test -x "$(which install)"; then
        INSTALL=install
    fi
fi
echo "INSTALL = $INSTALL" >> ${CONFIG_MK}

if [ "x$LIBTOOL" = "x" ]; then
    if test -x "$(which glibtool 2>/dev/null)"; then
        LIBTOOL="$(which glibtool)"
    elif test -x "/usr/local/bin/libtool"; then
        LIBTOOL="/usr/local/bin/libtool"
    elif test -x "$(which libtool 2>/dev/null)"; then
        LIBTOOL="$(which libtool)"
    else
        LIBTOOL=libtool
    fi
fi
echo "LIBTOOL = $LIBTOOL" >> ${CONFIG_MK}

#if [ "x$SWIFTC" = "x" ]; then
#    if test -x "$(which swiftc 2>/dev/null)"; then
#        SWIFTC="$(which swiftc)"
#	HAVE_SWIFT=true
#    else
#	HAVE_SWIFT=false
#    fi
#else
#    HAVE_SWIFT=true
#fi
#echo "SWIFTC = $SWIFTC" >> ${CONFIG_MK}
#echo "HAVE_SWIFT = $HAVE_SWIFT" >> ${CONFIG_MK}

if [ "x$OBJCC" = "x" ]; then
    if test -x "$(which clang 2>/dev/null)"; then
        OBJCC="$(which clang)"
    else
        OBJCC=clang
    fi
fi
echo "OBJCC = $OBJCC" >> ${CONFIG_MK}

PREFIX="${PREFIX:-/usr/local}"
echo "PREFIX = $PREFIX" >> ${CONFIG_MK}
echo "DESTDIR ?=" >> ${CONFIG_MK}
echo "prefix ?= ${DESTDIR}${PREFIX}" >> ${CONFIG_MK}

if [ "x$OWNER" = "x" ]; then
    OWNER="$(ls -ld "$PREFIX" | tr -s ' ' | cut -d ' ' -f 3)"
fi
echo "OWNER = $OWNER" >> ${CONFIG_MK}

if [ "x$GROUP" = "x" ]; then
    GROUP="$(ls -ld "$PREFIX" | tr -s ' ' | cut -d ' ' -f 4)"
fi
echo "GROUP = $GROUP" >> ${CONFIG_MK}

if [ "x$BINDIR" = "x" ]; then
    BINDIR="${PREFIX}/bin"
fi
echo "BINDIR = $BINDIR" >> ${CONFIG_MK}

if [ "x$LIBDIR" = "x" ]; then
    LIBDIR="${PREFIX}/lib"
fi
echo "LIBDIR = $LIBDIR" >> ${CONFIG_MK}

config_no_undefined