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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

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

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/'
}

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

lo_rule() {
    ext_rule .lo "$1"
}

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

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

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

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

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

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

config_asan() {
    echo "int main() { 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
}

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

config_lib() {
    LIBS_SAVE="$LIBS"
    OUT=".config_$1.c"
    shift
    echo "/* generated by configure */" > "$OUT"
    echo "int main () { return 0; }" >> "$OUT"
    LIBS="${LIBS} $@"
    if ${CC} ${CPPFLAGS} ${CFLAGS} "$OUT" ${LIBS} -o /dev/null 2>/dev/null; then
        :
    else
        LIBS="${LIBS_SAVE}"
    fi
    rm "$OUT"
}

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}
}

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

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" = "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
echo "HAVE_GCOV = $HAVE_GCOV" >> ${CONFIG_MK}
if ${HAVE_GCOV}; then
    echo "GCOV = $GCOV" >> ${CONFIG_MK}
fi

if [ "x$GMAKE" = "x" ]; then
    if test -n $(which gmake); 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}

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}