In some applications, it's usefull if the files generated by lex or yacc
are not build automatically. With that it is for example possible to
create a wrapper source file that sets some defines before the generated
code is parsed.
---
builder.py | 12 ++++++++----
waf_libbsd.py | 26 ++++++++++++++------------
2 files changed, 22 insertions(+), 16 deletions(-)
diff --git a/builder.py b/builder.py
index b0d6374e..78f592c7 100755
--- a/builder.py
+++ b/builder.py
@@ -547,15 +547,17 @@ class
RouteKeywordsFragmentComposer(BuildSystemFragmentComposer):
class LexFragmentComposer(BuildSystemFragmentComposer):
- def __init__(self, sym, dep, cflags = None, includes = None):
+ def __init__(self, sym, dep, cflags = None, includes = None, build = True):
self.sym = sym
self.dep = dep
self.cflags, self.includes = _cflagsIncludes(cflags, includes)
+ self.build = build
def compose(self, path):
d = { 'file': path,
'sym': self.sym,
- 'dep': self.dep }
+ 'dep': self.dep,
+ 'build': self.build }
if None not in self.cflags:
d['cflags'] = self.cflags
if None not in self.includes:
@@ -564,15 +566,17 @@ class LexFragmentComposer(BuildSystemFragmentComposer):
class YaccFragmentComposer(BuildSystemFragmentComposer):
- def __init__(self, sym, header, cflags = None, includes = None):
+ def __init__(self, sym, header, cflags = None, includes = None, build =
True):
self.sym = sym
self.header = header
self.cflags, self.includes = _cflagsIncludes(cflags, includes)
+ self.build = build
def compose(self, path):
d = { 'file': path,
'sym': self.sym,
- 'header': self.header }
+ 'header': self.header,
+ 'build': self.build }
if None not in self.cflags:
d['cflags'] = self.cflags
if None not in self.includes:
diff --git a/waf_libbsd.py b/waf_libbsd.py
index bbc8b42c..597e882e 100644
--- a/waf_libbsd.py
+++ b/waf_libbsd.py
@@ -361,12 +361,13 @@ class Builder(builder.ModuleManager):
bld(target = lex['file'][:-2]+ '.c',
source = lex['file'],
rule = lex_rule)
- bld.objects(target = 'lex_%s' % (lex['sym']),
- features = 'c',
- cflags = cflags,
- includes = lexIncludes + includes,
- defines = defines + lexDefines,
- source = lex['file'][:-2] + '.c')
+ if lex['build']:
+ bld.objects(target = 'lex_%s' % (lex['sym']),
+ features = 'c',
+ cflags = cflags,
+ includes = lexIncludes + includes,
+ defines = defines + lexDefines,
+ source = lex['file'][:-2] + '.c')
libbsd_use += ['lex_%s' % (lex['sym'])]
#
@@ -398,12 +399,13 @@ class Builder(builder.ModuleManager):
bld(target = yaccFile[:-2] + '.c',
source = yaccFile,
rule = yacc_rule)
- bld.objects(target = 'yacc_%s' % (yaccSym),
- features = 'c',
- cflags = cflags,
- includes = yaccIncludes + includes,
- defines = defines + yaccDefines,
- source = yaccFile[:-2] + '.c')
+ if yacc['build']:
+ bld.objects(target = 'yacc_%s' % (yaccSym),
+ features = 'c',
+ cflags = cflags,
+ includes = yaccIncludes + includes,
+ defines = defines + yaccDefines,
+ source = yaccFile[:-2] + '.c')
libbsd_use += ['yacc_%s' % (yaccSym)]
#
--
2.13.7
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