. ./redoconf.rc
rc_include rc/CC.rc

prog='
#include <stdlib.h>
void f() { atoi(""); }
'

try_unix_style() {
	(
		appendln CFLAGS "-fPIC"
		appendln LDFLAGS "-shared"
		appendln LDFLAGS "-Wl,-soname,x.so"
		RCC_NO_MAIN=1 rc_compile cc link "$prog"
	)
}

try_macos_style() {
	(
		appendln CFLAGS "-fPIC"
		appendln LDFLAGS "-dynamiclib"
		appendln LDFLAGS "-current_version"
		appendln LDFLAGS "1.0"
		RCC_NO_MAIN=1 rc_compile cc link "$prog"
	)
}

if [ -n "$STATIC" ]; then
	echo "--enable-static specified; not building shared libraries." >&2
	rc_replaceln HAVE_SHLIB ""
elif [ -n "$NOSHARED" ]; then
	echo "--disable-shared specified; not building shared libraries." >&2
	rc_replaceln HAVE_SHLIB ""
elif try_unix_style; then
	rc_replaceln HAVE_SHLIB UNIX
elif try_macos_style; then
	rc_replaceln HAVE_SHLIB MACOS
else
	echo "Not building shared libraries on this platform." >&2
	rc_undo
	rc_replaceln HAVE_SHLIB ""
fi
rc_save