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libg1m/configure

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#!/bin/sh
cd "$(dirname $0)"
#******************************************************************************#
# Defaults #
#******************************************************************************#
# Project variables
[ -f Makefile.cfg ] && mv Makefile.cfg Makefile.cfg.tmp
name="$(make -s getname)"
version="$(make -s getversion)"
maintainer="$(make -s getmaintainer)"
[ -f Makefile.cfg.tmp ] && mv Makefile.cfg.tmp Makefile.cfg
# Platform
platform="$(command -v gcc 1>/dev/null && gcc --print-multiarch)"
platform="$([ "$platform" ] && echo "/$platform")"
# Make options
make_full_log=
more_warnings=
# Build options
target=
no_file=
static=
windows=
optimize_size=
loglevel=none # none, info, warn, error, fatal
# Installation directories
root=''
prefix='${root}/usr'
prefix_set=
hprefix='${root}/usr'
bindir='${prefix}/bin'
hbindir='${hprefix}/bin'
libdir='${prefix}/lib'"$platform"
includedir='${prefix}/include'"$platform"
pkgdir='${libdir}/pkgconfig'
mandir='${prefix}/share/man'
# Installation options
install_manpages=yes
install_devel=yes
# Tweaks
cflags=
ldflags=
#******************************************************************************#
# Help message #
#******************************************************************************#
usage() {
cat <<EOF
\`configure\` configures ${name} to adapt to systems that aren't mine.
Usage: $0 [OPTION]
Defaults for the options are specified in brackets.
General options:
--help display this help and exit
--version display version information and quit
--make-full-log display full commands while making
--maintainer enable maintainer mode
Build options:
--target=TARGET the target (if none, native)
--static build a static library (by default, dynamic)
--windows build DLLs and .libs instead of ELF and archives
--optimize-size optimize size instead of speed
--no-file do not use the libc FILE interface
--loglevel=LOGLEVEL library log level [$loglevel]
Installation options:
--no-manpages should not make and install manpages
--no-devel should not install developement files
Installation directories:
--root=ROOT installation root [$root]
--prefix=PREFIX main installation prefix [$prefix]
--hprefix=HOSTPREFIX host installation prefix [$hprefix]
Fine tuning of the installation directories:
--hbindir=HOSTBINDIR host executables [$hbindir]
--bindir=BINDIR target executables [$bindir]
--pkgdir=PKGDIR pkg-config configurations directory [$pkgdir]
--libdir=LIBDIR library files of the linker [$libdir]
--includedir=INCDIR include files for the compiler [$includedir]
--mandir=MANDIR man root [$mandir]
Other tweaks:
CFLAGS=CFLAGS some more compilation flags
LDFLAGS=LDFLAGS some more linker flags
Report bugs to ${maintainer}.
EOF
exit 0
}
#******************************************************************************#
# Version message #
#******************************************************************************#
version() {
cat <<EOF
${name} configure script v${version}
Hand-written by Thomas "Cakeisalie5" Touhey.
This configure script is free software.
There is NO warranty; not even for MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.
EOF
exit 0
}
#******************************************************************************#
# Check for help and version #
#******************************************************************************#
put_version=
put_help=
for arg ; do case "$arg" in
--help|-h) put_help=1 ;;
--version|-v) put_version=1 ;;
esac; done
[ $put_version ] && version
[ $put_help ] && usage
#******************************************************************************#
# Parse arguments #
#******************************************************************************#
for arg ; do case "$arg" in
--make-full-log) make_full_log=yes ;;
--maintainer) more_warnings=yes; loglevel=info; install_manpages= ;;
--target=*) target="${arg#*=}" ;;
--static) static=y ;;
--windows) windows=y ;;
--optimize-size) optimize_size=y ;;
--no-file) no_file=y ;;
--loglevel=*)
level="${arg#*=}"
# check if is in array
if ! [ $level = "info" ] && ! [ $level = "warn" ] \
&& ! [ $level = "error" ] && ! [ $level = "fatal" ] \
&& ! [ $level = "none" ]; then
echo \
"$0 : --loglevel: expected one of [info, warn, error, fatal, none], \
got '$level'"
continue
fi
# then set
loglevel=$level ;;
--no-manpages) install_manpages= ;;
--no-devel) install_devel= ;;
--root=*) root="${arg#*=}" ;;
--hprefix=*) hprefix="${arg#*=}" ;;
--prefix=*) prefix="${arg#*=}"; prefix_set=y ;;
--hbindir=*) hbindir="${arg#*=}" ;;
--bindir=*) bindir="${arg#*=}" ;;
--pkgdir=*) pkgdir="${arg#*=}" ;;
--libdir=*) libdir="${arg#*=}" ;;
--includedir=*) includedir="${arg#*=}" ;;
--mandir=*) mandir="${arg#*=}" ;;
CFLAGS=*) cflags="${arg#*=}" ;;
LDFLAGS=*) ldflags="${arg#*=}" ;;
*) echo "$arg: didn't read" ;;
esac; done
#******************************************************************************#
# Little things #
#******************************************************************************#
# Cross-compilation things
if [ ! $prefix_set ] && [ $target ]; then
prefix="$prefix"/"$target"
fi
# Check MS-Windows targets
win_target=
case "$target" in *-mingw32) if [ ! "$static" ]; then
windows=y; win_target=y
fi;; esac
# Evaluate variables
vars="prefix bindir libdir pkgdir includedir mandir hprefix hbindir"
for var in $vars; do
eval $var'='$(eval 'echo $'$var)
done
# Check that static and MS-Windows are not asked.
if [ "$static" ] && [ "$windows" ]; then
cat >&2 <<EOF
Sadly, there is no equivalent of MSVC's LIB.EXE for GNU/Linux.
If you know one, contact the maintainer: see \`./configure --help\`.
EOF
exit 1
fi
# Check that MS-Windows has a target.
if [ "$windows" ] && [ ! "$target" ]; then
cat >&2 <<EOF
You have selected the --windows option, but have selected no target.
If you want to build for native use, use a mingw32/mingw64 target.
If you want to build for a cross-compiling use, specify an other target!
EOF
exit 1
fi
# Check if is on Cygwin
[ "$(expr substr $(uname -s) 1 10)" == "MINGW32_NT" ] && windows=y
# Check that MS-Windows has a mingw* target.
if [ "$windows" ] && [ ! "$win_target" ]; then
cat >&2 <<EOF
You have selected the --windows option, but have not selected a mingw32/mingw64
BFD target. We supposed that it is because you are compiling libg1m for a
cross-compiler compiled for MS-Windows (that's why configuration won't fail).
If it is not, please reconfigure to use a mingw32/mingw64 toolchain!
EOF
fi
#******************************************************************************#
# Create Makefile configuration #
#******************************************************************************#
# Clean before
make mrproper MAKE_FULL_LOG=y 1>/dev/null 2>/dev/null
# Create the configuration header
tools/write-header-config --version=${version} \
--maintainer="$(echo ${maintainer} | sed 's/"/\\"/g')" \
$([ "$no_file" ] && echo --no-file) \
>include/${name}/config.h
# Do it!
exec 3>&1 1>Makefile.cfg
cat <<EOF
#!/usr/bin/make -f
#******************************************************************************#
# Makefile configuration generated by ./configure #
#******************************************************************************#
# Configuration version and messages configuration
CONFIG_VERSION = $version
MAKE_FULL_LOG = $make_full_log
MORE_WARNINGS := $more_warnings
FOR_WINDOWS := $windows
# Build options
STATIC := $static
TARGET = $target
OPTIMIZE_SIZE := $optimize_size
LOG_LEVEL = $loglevel
# Installation directories
HBINDIR = $hbindir
IBINDIR = $bindir
IPKGDIR = $pkgdir
ILIBDIR = $libdir
IINCDIR = $includedir
IMANDIR = $mandir
# Installation options
INSTALL_MANPAGES = $install_manpages
INSTALL_DEVEL = $install_devel
# Other tweaks
CMOREFLAGS := $cflags
LDMOREFLAGS := $ldflags
# End of file.
EOF
exec 1>&3 3>&-
chmod +x Makefile.cfg
# Print the end message.
echo "Configuration loaded, you can make now."
# End of file.
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