Control: tags -1 patch On Fri, 2015-08-14 at 08:24 +0200, Fabian Greffrath wrote: > Am Donnerstag, den 13.08.2015, 23:05 +0200 schrieb Evgeni Golov: > > But both, my local build and the one on asachi contain -lSDL. > > Strange! I can reproduce the bug, gnujump fails to compile on my > system.
Hi, This was intriguing me so I had a bit of a look at it :) In acinclude.m4 there is a typo on line 276 which caused the AX_CHECK_GLU function not to be defined correctly. Ordinarily this isn't much of a problem since GLU isn't actually used by gnujump. However, autoconf-archive also has a (different) implementation of AX_CHECK_GLU which gets used instead if the package is installed. This version has a bug in it which trashes the LIBS variable (#795479) where -lSDL had already been specified. I couldn't reproduce this when using sbuild (and I suspect it will never occur on a buildd) since autoconf-archive isn't installed there. Doing any one of the following should fix this: 1) Fix the typo in acinclude.m4 so gnujump's implementation is used. 2) Completely remove the call to AX_CHECK_GLU in configure.in. 3) Build-Conflict on autoconf-archive. 4) Wait for #795479 (the autoconf-archive bug) to be fixed. I've attached a patch for the first solution since it seems the easiest to me. Thanks, James
diff -u -r a/acinclude.m4 b/acinclude.m4
--- a/acinclude.m4 2008-08-11 14:04:47.000000000 +0100
+++ b/acinclude.m4 2015-08-14 12:22:49.825670506 +0100
@@ -273,7 +273,7 @@
AC_SUBST([GL_LIBS])
])dnl
-C_DEFUN([AX_CHECK_GLU],
+AC_DEFUN([AX_CHECK_GLU],
[AC_REQUIRE([AX_CHECK_GL])dnl
AC_REQUIRE([AC_PROG_CXX])dnl
GLU_CFLAGS="${GL_CFLAGS}"
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