I was just attempting a new build from git (commit f272117d of Aug. 16, 2011) and hit this build error (truncated output for readability):


make[4]: Entering directory `../src/egl/main'
[...]
gcc -c -I../../../include -Wall -g -O2 -Wall -Wmissing-prototypes          \
-std=c99 -ffast-math -fno-strict-aliasing -Wall -g -O2  -fPIC              \
-DUSE_X86_64_ASM -D_GNU_SOURCE -DPTHREADS -DTEXTURE_FLOAT_ENABLED          \
-DHAVE_POSIX_MEMALIGN -DUSE_XCB -DGLX_INDIRECT_RENDERING                   \
-DGLX_DIRECT_RENDERING -DGLX_USE_TLS -DPTHREADS -DUSE_EXTERNAL_DXTN_LIB=1  \
-DIN_DRI_DRIVER -DHAVE_ALIAS -DHAVE_MINCORE -DHAVE_LIBUDEV -DHAVE_XCB_DRI2 \
-DXCB_DRI2_CONNECT_DEVICE_NAME_BROKEN -fvisibility=hidden -D_EGL_OS_UNIX=1 \
-D_EGL_BUILT_IN_DRIVER_DRI2 -D_EGL_BUILT_IN_DRIVER_GLX -DHAVE_X11_PLATFORM \
-DHAVE_DRM_PLATFORM -D_EGL_NATIVE_PLATFORM=_EGL_PLATFORM_DRM               \
-D_EGL_DRIVER_SEARCH_DIR=\"/usr/lib/x86_64-linux-gnu/egl\" egldisplay.c    \
-o egldisplay.o
[...]
egldisplay.c:55:17: fatal error: gbm.h: No such file or directory
compilation terminated.
make[4]: *** [egldisplay.o] Error 1


(I build much more of Mesa than I actually use, so several times a year I find bugs like this.  ;-)

I am not a developer, so I do not know The Right Way to fix this.  I experimented with patching 'Makefile' in src/egl/main as follows and got a successful build:


--- Makefile~	2011-08-16 08:37:13.000000000 -0400
+++ Makefile	2011-08-16 11:34:51.934413785 -0400
@@ -7,7 +7,7 @@
 EGL_MAJOR = 1
 EGL_MINOR = 0
 
-INCLUDE_DIRS = -I$(TOP)/include
+INCLUDE_DIRS = -I$(TOP)/include -I$(TOP)/src/gbm/main
 
 HEADERS = \
 	eglcompiler.h \


I am attaching the full build output for reference.


HTH,
Dave W.