ObjFW  Check-in [888b97ef5a]

dnl
dnl Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2016
dnl Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2016, 2017
dnl Jonathan Schleifer <js@heap.zone>
dnl
dnl https://heap.zone/git/?p=buildsys.git
dnl
dnl Permission to use, copy, modify, and/or distribute this software for any
dnl purpose with or without fee is hereby granted, provided that the above
dnl copyright notice and this permission notice is present in all copies.

AC_DEFUN([BUILDSYS_PROG_IMPLIB], [
	AC_REQUIRE([AC_CANONICAL_HOST])
	AC_MSG_CHECKING(whether we need an implib)
	case "$host_os" in
		cygwin* | mingw*)
			AC_MSG_RESULT(yes)
			PROG_IMPLIB_NEEDED='yes'
			PROG_IMPLIB_LDFLAGS='-Wl,-export-all-symbols,--out-implib,lib${PROG}.a'
			PROG_IMPLIB_LDFLAGS='-Wl,--export-all-symbols,--out-implib,lib${PROG}.a'
			;;
		*)
			AC_MSG_RESULT(no)
			PROG_IMPLIB_NEEDED='no'
			PROG_IMPLIB_LDFLAGS=''
			;;
	esac

			INSTALL_LIB='&& ${INSTALL} -m 755 $$i ${DESTDIR}${libdir}/$${i%.dylib}.${LIB_MAJOR}.${LIB_MINOR}.dylib && ${LN_S} -f $${i%.dylib}.${LIB_MAJOR}.${LIB_MINOR}.dylib ${DESTDIR}${libdir}/$${i%.dylib}.${LIB_MAJOR}.dylib && ${LN_S} -f $${i%.dylib}.${LIB_MAJOR}.${LIB_MINOR}.dylib ${DESTDIR}${libdir}/$$i'
			UNINSTALL_LIB='&& rm -f ${DESTDIR}${libdir}/$$i ${DESTDIR}${libdir}/$${i%.dylib}.${LIB_MAJOR}.dylib ${DESTDIR}${libdir}/$${i%.dylib}.${LIB_MAJOR}.${LIB_MINOR}.dylib'
			CLEAN_LIB=''
			;;
		mingw* | cygwin*)
			AC_MSG_RESULT(MinGW / Cygwin)
			LIB_CFLAGS=''
			LIB_LDFLAGS='-shared -Wl,--out-implib,${SHARED_LIB}.a'
			LIB_LDFLAGS='-shared -Wl,--export-all-symbols,--out-implib,${SHARED_LIB}.a'
			LIB_PREFIX='lib'
			LIB_SUFFIX='.dll'
			LDFLAGS_RPATH='-Wl,-rpath,${libdir}'
			PLUGIN_CFLAGS=''
			PLUGIN_LDFLAGS='-shared'
			PLUGIN_SUFFIX='.dll'
			INSTALL_LIB='&& ${MKDIR_P} ${DESTDIR}${bindir} && ${INSTALL} -m 755 $$i ${DESTDIR}${bindir}/$$i && ${INSTALL} -m 755 $$i.a ${DESTDIR}${libdir}/$$i.a'