1 dnl Copyright © 2022 Nick Bowler
3 dnl License WTFPL2: Do What The Fuck You Want To Public License, version 2.
4 dnl This is free software: you are free to do what the fuck you want to.
5 dnl There is NO WARRANTY, to the extent permitted by law.
7 dnl remove pointless gnulib warning flag check
8 AC_DEFUN([gl_CC_GNULIB_WARNINGS])
10 AC_INIT([rrace], [0], [nbowler@draconx.ca])
11 AC_CONFIG_HEADERS([config.h])
13 AM_INIT_AUTOMAKE([-Wall -Wno-portability foreign subdir-objects])
14 AM_SILENT_RULES([yes])
23 m4_include([lib/gnulib.mk])
25 dnl We will provide our own makefile rules for gettext. Disable tracing of
26 dnl AM_GNU_GETTEXT to prevent autoreconf from running autopoint, and to
27 dnl prevent automake from growing gratuitous error conditions.
28 m4_traceoff([AM_GNU_GETTEXT])
29 AM_GNU_GETTEXT([external])
30 AH_BOTTOM([#include <conf_post.h>])
33 AS_IF([test x"$no_x" != x"yes"],
34 [AC_CACHE_CHECK([for Motif], [dx_cv_have_motif],
35 [save_CFLAGS=$CFLAGS save_LIBS=$LIBS
36 dx_cv_motif_cflags="$X_CFLAGS"
37 dx_cv_motif_libs="$X_LIBS $X_PRE_LIBS -lXm -lXt -lX11 $X_EXTRA_LIBS"
38 CFLAGS="$dx_cv_motif_cflags $CFLAGS"
39 LIBS="$dx_cv_motif_libs $LIBS"
40 AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <Xm/XmAll.h>],
41 [XmCreateMainWindow(0, 0, 0, 0); XtAppSetExitFlag(0)])],
42 [dx_cv_have_motif=yes], [dx_cv_have_motif=no])
43 CFLAGS=$save_CFLAGS LIBS=$save_LIBS])])
45 AS_IF([test x"$with_x" = x"yes" && test "$dx_cv_have_motif" != x"yes"],
46 [AC_MSG_FAILURE([--with-x requested but Motif was not found])])
48 AC_SUBST([MOTIF_CFLAGS], [@&t@])
49 AC_SUBST([MOTIF_LIBS], [@&t@])
50 AS_IF([test x"$dx_cv_have_motif" = x"yes"],
51 [MOTIF_CFLAGS=$dx_cv_motif_cflags MOTIF_LIBS=$dx_cv_motif_libs],
52 [AC_DEFINE([X_DISPLAY_MISSING])])
53 AM_CONDITIONAL([HAVE_MOTIF], [test x"$dx_cv_have_motif" = x"yes"])
54 AH_TEMPLATE([X11_RENDER_DEBUG],
55 [Define to 1 to enable visual aids for debugging X11 rendering.])
57 AC_CONFIG_TESTDIR([.], [t:.])
59 AM_CONDITIONAL([HAVE_AUTOTEST], [test x"$dx_cv_autotest_works" = x"yes"])
61 AC_CHECK_PROGS([XPMTOPPM], [xpmtoppm])
62 AC_CHECK_PROGS([PNMTOPNG], [pnmtopng])
63 AC_CHECK_PROGS([CONVERT], [convert])
64 AC_CHECK_PROGS([GM], [gm])
65 AC_CACHE_CHECK([how to convert XPM to PNG], [dx_cv_xpm_to_png],
66 [cat >conftest.xpm <<'EOF'
74 check_conftest_png () {
75 od conftest.png | $AWK 'BEGIN { success=0; }
76 NR == 1 && $2 == "050211" && $3 == "043516" { success=1; }
77 NR == 1 && $2 == "104520" && $3 == "047107" { success=1; }
78 END { exit(!success); }'
81 for dx_cv_xpm_to_png in netpbm 'gm convert' convert unknown; do
82 AS_CASE([$dx_cv_xpm_to_png],
85 [AS_IF([$XPMTOPPM conftest.xpm >conftest.ppm 2>&AS_MESSAGE_LOG_FD],
87 AS_IF([$PNMTOPNG conftest.ppm >conftest.png 2>&AS_MESSAGE_LOG_FD],
89 AS_IF([check_conftest_png], [break])],
92 [AS_CASE([$dx_cv_xpm_to_png],
93 [gm*], [test_convert="$GM convert"],
94 [test_convert="$CONVERT"])
95 AS_IF([$test_convert conftest.xpm conftest.png >&AS_MESSAGE_LOG_FD 2>&1],
97 AS_IF([check_conftest_png], [break])])
99 rm -f conftest.xpm conftest.ppm conftest.png])
101 AM_CONDITIONAL([USE_NETPBM], [test x"$dx_cv_xpm_to_png" = x"netpbm"])
102 AM_CONDITIONAL([USE_CONVERT],
103 [AS_CASE([$dx_cv_xpm_to_png], [*convert], [], [false])])
105 AS_IF([test x"$dx_cv_xpm_to_png" = x"gm convert"],
106 [CONVERT="$GM convert"])
108 AC_CHECK_PROGS([OPTIPNG], [optipng])
111 AC_CONFIG_FILES([Makefile])
115 AM_COND_IF([HAVE_MOTIF], [have_ui=:])
116 AS_IF([$have_ui], [],
117 [AC_MSG_WARN([No user interface is enabled.])
118 AC_MSG_WARN([It will not be possible to play the game.])])