Sun, 01 Oct 2023 13:56:42 +0200
improve Makefiles
#!/bin/sh # create temporary directory TEMP_DIR=".tmp-`uname -n`" rm -Rf "$TEMP_DIR" if mkdir -p "$TEMP_DIR"; then : else echo "Cannot create tmp dir $TEMP_DIR" echo "Abort" exit 1 fi touch "$TEMP_DIR/options" touch "$TEMP_DIR/features" # define standard variables PREFIX=/usr EPREFIX= BINDIR= SBINDIR= LIBDIR= LIBEXECDIR= DATADIR= SYSCONFDIR= SHAREDSTATEDIR= LOCALSTATEDIR= INCLUDEDIR= INFODIR= MANDIR= # custom variables BUILDDIR=`pwd`/build # features # clean abort abort_configure() { rm -Rf "$TEMP_DIR" exit 1 } # help text printhelp() { echo "Usage: $0 [OPTIONS]..." cat << __EOF__ Installation directories: --prefix=PREFIX path prefix for architecture-independent files [/usr] --exec-prefix=EPREFIX path prefix for architecture-dependent files [PREFIX] --bindir=DIR user executables [EPREFIX/bin] --sbindir=DIR system admin executables [EPREFIX/sbin] --libexecdir=DIR program executables [EPREFIX/libexec] --sysconfdir=DIR system configuration files [PREFIX/etc] --sharedstatedir=DIR modifiable architecture-independent data [PREFIX/com] --localstatedir=DIR modifiable single-machine data [PREFIX/var] --libdir=DIR object code libraries [EPREFIX/lib] --includedir=DIR C header files [PREFIX/include] --datarootdir=DIR read-only arch.-independent data root [PREFIX/share] --datadir=DIR read-only architecture-independent data [DATAROOTDIR] --infodir=DIR info documentation [DATAROOTDIR/info] --mandir=DIR man documentation [DATAROOTDIR/man] __EOF__ } # # parse arguments # BUILD_TYPE="default" for ARG in "$@" do case "$ARG" in "--prefix="*) PREFIX=${ARG#--prefix=} ;; "--exec-prefix="*) EPREFIX=${ARG#--exec-prefix=} ;; "--bindir="*) BINDIR=${ARG#----bindir=} ;; "--sbindir="*) SBINDIR=${ARG#--sbindir=} ;; "--libdir="*) LIBDIR=${ARG#--libdir=} ;; "--libexecdir="*) LIBEXECDIR=${ARG#--libexecdir=} ;; "--datadir="*) DATADIR=${ARG#--datadir=} ;; "--sysconfdir="*) SYSCONFDIR=${ARG#--sysconfdir=} ;; "--sharedstatedir="*) SHAREDSTATEDIR=${ARG#--sharedstatedir=} ;; "--localstatedir="*) LOCALSTATEDIR=${ARG#--localstatedir=} ;; "--includedir="*) INCLUDEDIR=${ARG#--includedir=} ;; "--infodir="*) INFODIR=${ARG#--infodir=} ;; "--mandir"*) MANDIR=${ARG#--mandir} ;; "--help"*) printhelp; abort_configure ;; "--debug") BUILD_TYPE="debug" ;; "--release") BUILD_TYPE="release" ;; "-"*) echo "unknown option: $ARG"; abort_configure ;; esac done # set dir variables : ${EPREFIX:="$PREFIX"} : ${BINDIR:="$EPREFIX/bin"} : ${SBINDIR:="$EPREFIX/sbin"} : ${LIBDIR:="$EPREFIX/lib"} : ${LIBEXECDIR:="$EPREFIX/libexec"} : ${DATADIR:="$PREFIX/share"} : ${SYSCONFDIR:="$PREFIX/etc"} : ${SHAREDSTATEDIR:="$PREFIX/com"} : ${LOCALSTATEDIR:="$PREFIX/var"} : ${INCLUDEDIR:="$PREFIX/include"} : ${INFODIR:="$PREFIX/info"} : ${MANDIR:="$PREFIX/man"} # Test for availability of pkg-config PKG_CONFIG=`command -v pkg-config` : ${PKG_CONFIG:="false"} # Simple uname based platform detection # $PLATFORM is used for platform dependent dependency selection OS=`uname -s` OS_VERSION=`uname -r` printf "detect platform... " if [ "$OS" = "SunOS" ]; then PLATFORM="solaris sunos unix svr4" fi if [ "$OS" = "Linux" ]; then PLATFORM="linux unix" fi if [ "$OS" = "FreeBSD" ]; then PLATFORM="freebsd bsd unix" fi if [ "$OS" = "Darwin" ]; then PLATFORM="macos osx bsd unix" fi if echo "$OS" | grep -i "MINGW" > /dev/null; then PLATFORM="windows mingw" fi : ${PLATFORM:="unix"} PLATFORM_NAME=`echo "$PLATFORM" | cut -f1 -d' ' -` echo "$PLATFORM_NAME" isplatform() { for p in $PLATFORM do if [ "$p" = "$1" ]; then return 0 fi done return 1 } notisplatform() { for p in $PLATFORM do if [ "$p" = "$1" ]; then return 1 fi done return 0 } # generate vars.mk cat > "$TEMP_DIR/vars.mk" << __EOF__ PREFIX=$PREFIX EPREFIX=$EPREFIX BINDIR=$BINDIR SBINDIR=$SBINDIR LIBDIR=$LIBDIR LIBEXECDIR=$LIBEXECDIR DATADIR=$DATADIR SYSCONFDIR=$SYSCONFDIR SHAREDSTATEDIR=$SHAREDSTATEDIR LOCALSTATEDIR=$LOCALSTATEDIR INCLUDEDIR=$INCLUDEDIR INFODIR=$INFODIR MANDIR=$MANDIR BUILDDIR=$BUILDDIR __EOF__ sort -u -o "$TEMP_DIR/vars.mk" "$TEMP_DIR/vars.mk" # toolchain detection utilities . make/toolchain.sh # # DEPENDENCIES # # check languages lang_c= lang_cpp= if detect_c_compiler ; then lang_c=1 fi # create buffer for make variables required by dependencies echo > "$TEMP_DIR/make.mk" test_pkg_config() { if "$PKG_CONFIG" --exists "$1" ; then : else return 1 ; fi if [ -z "$2" ] || "$PKG_CONFIG" --atleast-version="$2" "$1" ; then : else return 1 ; fi if [ -z "$3" ] || "$PKG_CONFIG" --exact-version="$3" "$1" ; then : else return 1 ; fi if [ -z "$4" ] || "$PKG_CONFIG" --max-version="$4" "$1" ; then : else return 1 ; fi return 0 } dependency_error_archiver() { printf "checking for archiver... " # dependency archiver while true do if command -v ar > /dev/null ; then : else break fi cat >> $TEMP_DIR/make.mk << __EOF__ # Dependency: archiver AR = ar ARFLAGS = -r __EOF__ echo yes return 1 done echo no return 0 } dependency_error_rmdir() { printf "checking for rmdir... " # dependency rmdir while true do if command -v rm > /dev/null ; then : else break fi cat >> $TEMP_DIR/make.mk << __EOF__ # Dependency: rmdir RM = rm RMFLAGS = -f -R __EOF__ echo yes return 1 done echo no return 0 } dependency_error_ncurses() { printf "checking for ncurses... " # dependency ncurses while true do if [ -z "$PKG_CONFIG" ]; then break fi if test_pkg_config "ncursesw" "" "" "" ; then TEMP_CFLAGS="$TEMP_CFLAGS `"$PKG_CONFIG" --cflags ncursesw`" TEMP_LDFLAGS="$TEMP_LDFLAGS `"$PKG_CONFIG" --libs ncursesw`" else break fi echo yes return 1 done echo no return 0 } dependency_error_mkdir() { printf "checking for mkdir... " # dependency mkdir while true do if command -v mkdir > /dev/null ; then : else break fi cat >> $TEMP_DIR/make.mk << __EOF__ # Dependency: mkdir MKDIR = mkdir MKDIRFLAGS = -p __EOF__ echo yes return 1 done echo no return 0 } # start collecting dependency information echo > "$TEMP_DIR/flags.mk" DEPENDENCIES_FAILED= ERROR=0 # unnamed dependencies TEMP_CFLAGS= TEMP_CXXFLAGS= TEMP_LDFLAGS= while true do while true do if [ -z "$lang_c" ] ; then ERROR=1 break fi cat >> "$TEMP_DIR/make.mk" << __EOF__ LIB_EXT = .a __EOF__ break done break done # add general dependency flags to flags.mk echo "# general flags" >> "$TEMP_DIR/flags.mk" if [ -n "${TEMP_CFLAGS}" ]; then echo "CFLAGS += $TEMP_CFLAGS" >> "$TEMP_DIR/flags.mk" fi if [ -n "${TEMP_CXXFLAGS}" ]; then echo "CXXFLAGS += $TEMP_CXXFLAGS" >> "$TEMP_DIR/flags.mk" fi if [ -n "${TEMP_LDFLAGS}" ]; then echo "LDFLAGS += $TEMP_LDFLAGS" >> "$TEMP_DIR/flags.mk" fi # # OPTION VALUES # # # TARGETS # echo >> "$TEMP_DIR/flags.mk" # Target: default echo "# flags for target default" >> "$TEMP_DIR/flags.mk" TEMP_CFLAGS= TEMP_CXXFLAGS= TEMP_LDFLAGS= if dependency_error_archiver; then DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED archiver " ERROR=1 fi if dependency_error_rmdir; then DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED rmdir " ERROR=1 fi if dependency_error_ncurses; then DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED ncurses " ERROR=1 fi if dependency_error_mkdir; then DEPENDENCIES_FAILED="$DEPENDENCIES_FAILED mkdir " ERROR=1 fi # Features if [ -n "${TEMP_CFLAGS}" ]; then echo "CFLAGS += $TEMP_CFLAGS" >> "$TEMP_DIR/flags.mk" fi if [ -n "${TEMP_CXXFLAGS}" ]; then echo "CXXFLAGS += $TEMP_CXXFLAGS" >> "$TEMP_DIR/flags.mk" fi if [ "$BUILD_TYPE" = "debug" ]; then echo 'CFLAGS += ${DEBUG_CC_FLAGS}' >> "$TEMP_DIR/flags.mk" echo 'CXXFLAGS += ${DEBUG_CXX_FLAGS}' >> "$TEMP_DIR/flags.mk" fi if [ "$BUILD_TYPE" = "release" ]; then echo 'CFLAGS += ${RELEASE_CC_FLAGS}' >> "$TEMP_DIR/flags.mk" echo 'CXXFLAGS += ${RELEASE_CXX_FLAGS}' >> "$TEMP_DIR/flags.mk" fi if [ -n "${TEMP_LDFLAGS}" ]; then echo "LDFLAGS += $TEMP_LDFLAGS" >> "$TEMP_DIR/flags.mk" fi # final result if [ $ERROR -ne 0 ]; then echo echo "Error: Unresolved dependencies" echo "$DEPENDENCIES_FAILED" abort_configure fi echo "configure finished" echo echo "Build Config:" echo " PREFIX: $PREFIX" echo " TOOLCHAIN: $TOOLCHAIN_NAME" echo # generate the config.mk file cat > "$TEMP_DIR/config.mk" << __EOF__ # # config.mk generated by configure # __EOF__ write_toolchain_defaults "$TEMP_DIR/toolchain.mk" cat "$TEMP_DIR/vars.mk" "$TEMP_DIR/toolchain.mk" "$TEMP_DIR/flags.mk" "$TEMP_DIR/make.mk" > config.mk rm -Rf "$TEMP_DIR"