[Mesa-dev] Mesa (master): automake: Add a prefix variable for libglsl sources.
Jose Fonseca
jfonseca at vmware.com
Mon Jun 11 10:34:07 PDT 2012
----- Original Message -----
> This breaks the SCons build, which parses src/glsl/Makefile.sources,
> and can't understand "$(GLSL_SRCDIR)/" as it only supports a simple
> subset of Make syntax.
>
> Is there some other way to achieve this effect, without changing
> src/glsl/Makefile.sources?
Actually, the scons' makefile parser handles "$(GLSL_SRCDIR)/" just fine. The problem is merely that GLSL_SRCDIR is not defined.
The patch below would fix it, and should (hopefully) not affect automake, but I'm not sure.
Would this be ok?
Jose
diff --git a/scons/source_list.py b/scons/source_list.py
index 1d5166b..8111f43 100644
--- a/scons/source_list.py
+++ b/scons/source_list.py
@@ -63,7 +63,7 @@ class SourceListParser(object):
self._error('not a variable definition')
if op_pos > 0:
- if line[op_pos - 1] in [':', '+']:
+ if line[op_pos - 1] in [':', '+', '?']:
op_pos -= 1
else:
self._error('only =, :=, and += are supported')
@@ -77,6 +77,9 @@ class SourceListParser(object):
self.symbol_table[sym] = val
elif op == '+=':
self.symbol_table[sym] += ' ' + val
+ elif op == '?=':
+ if sym not in self.symbol_table:
+ self.symbol_table[sym] = val
def _parse_line(self, line):
"""Parse a source list line."""
diff --git a/src/glsl/Makefile.sources b/src/glsl/Makefile.sources
index b58de17..0425fa3 100644
--- a/src/glsl/Makefile.sources
+++ b/src/glsl/Makefile.sources
@@ -1,5 +1,7 @@
# shared source lists for Makefile, SConscript, and Android.mk
+GLSL_SRCDIR ?= .
+
# libglcpp
LIBGLCPP_FILES = \
diff --git a/src/mesa/sources.mak b/src/mesa/sources.mak
index 63fbf58..608aa79 100644
--- a/src/mesa/sources.mak
+++ b/src/mesa/sources.mak
@@ -1,5 +1,7 @@
### Lists of source files, included by Makefiles
+SRCDIR ?= .
+
# this is part of MAIN_FILES
MAIN_ES_FILES = \
$(SRCDIR)/main/api_exec_es1.c \
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