build: override bundled libsemigroups install paths

Fixes: #1073

Author: jengelh

GNUmakefile.in

@@ -1,6 +1,11 @@
 #
 # Makefile rules for the semigroups package
 #
+abs_top_builddir = @abs_top_builddir@
+top_builddir = @top_builddir@
+abs_builddir = @abs_builddir@
+builddir = @builddir@
+
 KEXT_NAME = semigroups
 
 KEXT_CXXFLAGS = @LIBSEMIGROUPS_CFLAGS@ -std=gnu++14 -O3
@@ -84,13 +89,13 @@ $(KEXT_OBJS): bin/include/libsemigroups/libsemigroups.hpp
 
 # the following is only run if BUILT_SOURCES is wound up
 bin/include/libsemigroups/libsemigroups.hpp:
-	$(MAKE) -C libsemigroups install
+	$(MAKE) -C libsemigroups install prefix='${abs_builddir}/bin' includedir='${abs_builddir}/bin/include' libdir='${abs_builddir}/bin/lib'
 	# Cygwin only looks for DLLs in the same directory as the executable
 	# resides in. The following achieves that assuming that the GAP
 	# being used was self-compiled by the user. This supports
 	# both older GAPs with libtool (first) and GAP without libtool (second)
-	if test -f bin/bin/cygsemigroups*.dll ; then if test -d $(GAPPATH)/.libs; then cp bin/bin/cygsemigroups*.dll $(GAPPATH)/.libs/ ; fi ; fi
-	if test -f bin/bin/cygsemigroups*.dll ; then cp bin/bin/cygsemigroups*.dll $(GAPPATH)/ ; fi
+	if test -f bin/lib/cygsemigroups*.dll ; then if test -d $(GAPPATH)/.libs; then cp bin/lib/cygsemigroups*.dll $(GAPPATH)/.libs/ ; fi ; fi
+	if test -f bin/lib/cygsemigroups*.dll ; then cp bin/lib/cygsemigroups*.dll $(GAPPATH)/ ; fi
 
 endif
 

configure.ac

@@ -16,10 +16,6 @@ AC_CONFIG_MACRO_DIR([m4])
 
 AX_PREFIX_CONFIG_H([src/semigroups-config.hpp],[semigroups],[gen/pkgconfig.h])
 
-dnl ## abs_top_builddir seems to hold the top build dir for the subpackage
-dnl ## libsemigroups which is why this contains ../
-AC_PREFIX_DEFAULT('${abs_top_builddir}/../bin/')
-
 dnl ##
 dnl ## Set the language
 dnl ##