From 3e266b5dce00fada031d9fdfff1ed19ae5a1de72 Mon Sep 17 00:00:00 2001
From: Sam Hocevar <sam@hocevar.net>
Date: Sat, 28 Aug 2010 17:19:14 +0000
Subject: [PATCH] Proper detection of libcaca and libpipi.

---
 configure.ac         | 19 +++++++++++++++++--
 gfx/font/Makefile.am |  2 ++
 src/Makefile.am      |  4 ++--
 src/debugrecord.cpp  | 10 +++++-----
 tools/Makefile.am    | 10 +++++++---
 5 files changed, 33 insertions(+), 12 deletions(-)

diff --git a/configure.ac b/configure.ac
index a0c71108..2adb1128 100644
--- a/configure.ac
+++ b/configure.ac
@@ -67,9 +67,24 @@ if test "${ac_cv_my_have_sdl}" = "no" -a "${ac_cv_my_have_imlib2}" = "no"; then
   AC_MSG_ERROR([[cannot find SDL_Image or GTK+, please install one of them]])
 fi
 
-if test "${enable_debug}" = "yes"; then
-  AC_DEFINE(DEBUG, 1, Define to 1 to activate debug)
+
+# Use libcaca? (required for font generation)
+ac_cv_my_have_caca="no"
+PKG_CHECK_MODULES(CACA, caca >= 0.99.beta17, [ac_cv_my_have_caca="yes"], [:])
+if test "${ac_cv_my_have_caca}" != "no"; then
+  AC_DEFINE(USE_CACA, 1, Define to 1 to use libcaca)
 fi
+AM_CONDITIONAL(USE_CACA, test "${ac_cv_my_have_caca}" != "no")
+
+
+# Use libpipi? (required for video recording)
+ac_cv_my_have_pipi="no"
+PKG_CHECK_MODULES(PIPI, pipi, [ac_cv_my_have_pipi="yes"], [:])
+if test "${ac_cv_my_have_pipi}" != "no"; then
+  AC_DEFINE(USE_PIPI, 1, Define to 1 to use libpipi)
+fi
+AM_CONDITIONAL(USE_PIPI, test "${ac_cv_my_have_pipi}" != "no")
+
 
 if test "${enable_release}" = "yes"; then
   AC_DEFINE(FINAL_RELEASE, 1, Define to 1 to activate final release)
diff --git a/gfx/font/Makefile.am b/gfx/font/Makefile.am
index 4268c3f2..f3acd639 100644
--- a/gfx/font/Makefile.am
+++ b/gfx/font/Makefile.am
@@ -1,4 +1,5 @@
 
+if USE_CACA
 all: ascii.png
 
 ascii.png:
@@ -6,4 +7,5 @@ ascii.png:
 
 clean:
 	rm -f ascii.png
+endif
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 8adc2fa5..8cfdc9d0 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -14,9 +14,9 @@ libcommon_a_SOURCES = \
 libcommon_a_CXXFLAGS = `pkg-config --cflags sdl gl SDL_image`
 
 test_map_SOURCES = test-map.cpp sdlinput.cpp sdlinput.h
-test_map_CXXFLAGS = `pkg-config --cflags sdl gl SDL_image`
+test_map_CXXFLAGS = `pkg-config --cflags sdl gl SDL_image` @PIPI_CFLAGS@
 test_map_LDADD = libcommon.a
-test_map_LDFLAGS = `pkg-config --libs sdl gl SDL_image` -lpipi
+test_map_LDFLAGS = `pkg-config --libs sdl gl SDL_image` @PIPI_LIBS@
 
 editor_SOURCES = gtk/editor.cpp gtk/glmapview.cpp gtk/glmapview.h
 editor_CXXFLAGS = `pkg-config --cflags sdl gl SDL_image gtk+-2.0 gtkgl-2.0`
diff --git a/src/debugrecord.cpp b/src/debugrecord.cpp
index abf31e5f..e60c7654 100644
--- a/src/debugrecord.cpp
+++ b/src/debugrecord.cpp
@@ -10,7 +10,7 @@
 #include <cstdio>
 #include <cstring>
 
-#if defined HAVE_PIPI_H
+#if defined USE_PIPI
 #   include <pipi.h>
 #endif
 
@@ -28,7 +28,7 @@ class DebugRecordData
 private:
     char const *path;
     int width, height;
-#if defined HAVE_PIPI_H
+#if defined USE_PIPI
     pipi_sequence_t *sequence;
 #endif
 };
@@ -43,7 +43,7 @@ DebugRecord::DebugRecord(char const *path)
     data->path = strdup(path);
     data->width = 0;
     data->height = 0;
-#if defined HAVE_PIPI_H
+#if defined USE_PIPI
     data->sequence = NULL;
 #endif
 }
@@ -70,7 +70,7 @@ void DebugRecord::TickDraw(float deltams)
         data->width = width;
         data->height = height;
 
-#if defined HAVE_PIPI_H
+#if defined USE_PIPI
         if (data->sequence)
             pipi_close_sequence(data->sequence);
 
@@ -78,7 +78,7 @@ void DebugRecord::TickDraw(float deltams)
 #endif
     }
 
-#if defined HAVE_PIPI_H
+#if defined USE_PIPI
     if (data->sequence)
     {
         uint32_t *buffer = new uint32_t[width * height];
diff --git a/tools/Makefile.am b/tools/Makefile.am
index 44711721..e4cec9fa 100644
--- a/tools/Makefile.am
+++ b/tools/Makefile.am
@@ -1,7 +1,11 @@
 
-noinst_PROGRAMS = make-font
+noinst_PROGRAMS = $(make_font)
 
 make_font_SOURCES = make-font.cpp
-make_font_CXXFLAGS = `pkg-config --cflags caca`
-make_font_LDFLAGS = `pkg-config --libs caca`
+make_font_CXXFLAGS = @CACA_CFLAGS@
+make_font_LDFLAGS = @CACA_LIBS@
+
+if USE_CACA
+make_font = make-font
+endif