[pkgsrc/trunk]: pkgsrc/emulators/hercules4sdl emulators/hercules4sdl: unbreak...

[rhialto <rhialto%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/cb06d55abec2
branches:  trunk
changeset: 769358:cb06d55abec2
user:      rhialto <rhialto%pkgsrc.org@localhost>
date:      Sat Nov 13 12:44:39 2021 +0000

description:
emulators/hercules4sdl: unbreak the build on Darwin.

No revbump needed since the change is limited to Darwin, where no built
package previously existed (at least for Darwin 20.6.0 which I tested).

diffstat:

 emulators/hercules4sdl/Makefile |  10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diffs (28 lines):

diff -r bf068bdcb197 -r cb06d55abec2 emulators/hercules4sdl/Makefile
--- a/emulators/hercules4sdl/Makefile   Sat Nov 13 11:27:47 2021 +0000
+++ b/emulators/hercules4sdl/Makefile   Sat Nov 13 12:44:39 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.1 2021/11/06 16:43:23 rhialto Exp $
+# $NetBSD: Makefile,v 1.2 2021/11/13 12:44:39 rhialto Exp $
 
 PKGNAME=       hercules4sdl-4.3
 DISTNAME=      Release_${PKGVERSION_NOREV}
@@ -33,11 +33,17 @@
 SUBST_SED.prefix=      -e 's,/usr/local,${PREFIX},g'
 
 CONFIGURE_ARGS+=       --enable-extpkgs=${PREFIX}/lib/hercules4sdl
+.if ${OPSYS} == "Darwin"
+# There is a configure check that uses C++ to check if the compiler is
+# GNU, and on Darwin it thinks GNU C++ is needed to create shared
+# libraries, even though no actual C++ is used. Or something.
+CONFIGURE_ENV+=                ac_cv_cxx_compiler_gnu=yes
+.endif
 
 INSTALLATION_DIRS+=    share/examples/hercules
 
 pre-configure:
-       ${RM} ${WRKSRC}/ltdl.h ${WRKSRC}/ltdl.c
+       ${RM} -f ${WRKSRC}/ltdl.h ${WRKSRC}/ltdl.c
        cd ${WRKSRC} && ./autogen.sh
 
 post-install: