This patch file includes patches from both Debian and Laclin.

--- agg_2.7.0.r145+dfsg.old/configure.ac
+++ agg_2.7.0.r145+dfsg/configure.ac
@@ -9,7 +9,6 @@
 AC_PROG_CC
 AC_PROG_CXX
 AC_ISC_POSIX
-dnl AM_C_PROTOTYPES
 dnl if test "x$U" != "x"; then
 dnl   AC_MSG_ERROR(Compiler not ANSI compliant)
 dnl fi
@@ -127,7 +126,7 @@
 dnl ###############################################
 
 dnl Settung up library version
-AGG_LIB_VERSION="2:7:0"
+AGG_LIB_VERSION="4:0:2"
 dnl     current-´ / /
 dnl    revision--´ /
 dnl         age---´
@@ -145,7 +144,6 @@
 AC_OUTPUT(
    Makefile
    libagg.pc
-   gpc/Makefile
    font_freetype/Makefile
    font_win32_tt/Makefile
    src/Makefile
--- agg_2.7.0.r145+dfsg.old/gpc/gpc.c
+++ agg_2.7.0.r145+dfsg/gpc/gpc.c
@@ -110,7 +110,7 @@
 #define MALLOC(p, b, s, t) {if ((b) > 0) { \
                             p= (t*)malloc(b); if (!(p)) { \
                             fprintf(stderr, "gpc malloc failure: %s\n", s); \
-                            exit(0);}} else p= NULL;}
+                            }} else p= NULL;}
 
 #define FREE(p)            {if (p) {free(p); (p)= NULL;}}
 
--- agg_2.7.0.r145+dfsg.old/include/agg_renderer_outline_aa.h
+++ agg_2.7.0.r145+dfsg/include/agg_renderer_outline_aa.h
@@ -1366,7 +1366,7 @@
         //---------------------------------------------------------------------
         void profile(line_profile_aa& prof) { m_profile = &prof; }
         const line_profile_aa& profile() const { return *m_profile; }
-        line_profile_aa& profile() { return *m_profile; }
+//      line_profile_aa& profile() { return *m_profile; }
 
         //---------------------------------------------------------------------
         int subpixel_width() const { return m_profile->subpixel_width(); }
--- agg_2.7.0.r145+dfsg.old/libagg.pc.in
+++ agg_2.7.0.r145+dfsg/libagg.pc.in
@@ -6,5 +6,5 @@
 Name: libagg
 Description: Anti Grain Geometry - A High Quality Rendering Engine for C++
 Version: @VERSION@
-Libs: -L${libdir} -Wl,-rpath,${exec_prefix}/lib -lagg
+Libs: -L${libdir} -lagg
 Cflags: -I${includedir}
--- agg_2.7.0.r145+dfsg.old/Makefile.am
+++ agg_2.7.0.r145+dfsg/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS = gpc src font_freetype font_win32_tt include examples
+SUBDIRS = src font_freetype font_win32_tt include examples
 
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = libagg.pc
--- agg_2.7.0.r145+dfsg.old/Makefile.in.Linux
+++ agg_2.7.0.r145+dfsg/Makefile.in.Linux
@@ -1,7 +1,7 @@
-AGGLIBS= -lagg 
-AGGCXXFLAGS = -O3 -I/usr/X11R6/include -L/usr/X11R6/lib
-CXX = g++
-C = gcc
+AGGLIBS= -lagg -lm
+AGGCXXFLAGS = -fPIC -O3 -I/usr/X11R6/include -L/usr/X11R6/lib
+CXX = clang++
+C = clang
 #CXX = icc
 LIB = ar cr
 
--- agg_2.7.0.r145+dfsg.old/Makefile.in.Linux.SDL
+++ agg_2.7.0.r145+dfsg/Makefile.in.Linux.SDL
@@ -1,7 +1,7 @@
-AGGLIBS= -lagg -lSDL
-AGGCXXFLAGS = -O3 -I/usr/include/SDL -L/usr/lib
-CXX = g++
-C = gcc
+AGGLIBS= -lagg -lSDL -lm
+AGGCXXFLAGS = -fPIC -O3 -I/usr/include/SDL -L/usr/lib
+CXX = clang++
+C = clang
 #CXX = icc
 LIB = ar cr
 
--- agg_2.7.0.r145+dfsg.old/src/Makefile
+++ agg_2.7.0.r145+dfsg/src/Makefile
@@ -1,4 +1,13 @@
-include ../Makefile.in.$(shell uname)
+PLATFORM=$(shell uname)
+ifeq (GNU/kFreeBSD,$(PLATFORM))
+	PLATFORM=Linux
+endif
+
+ifeq (GNU,$(PLATFORM))
+	PLATFORM=Linux
+endif
+
+include ../Makefile.in.$(PLATFORM)
 
 CXXFLAGS= $(AGGCXXFLAGS) -I../include -L./
 
==== end of patch ====