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Allow to set optimization level during configure.

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This allows to set the optimization level for libbsd via a configure
switch. Useful for building with for example no optimization during
debug or with size optimization for space restricted targets.
This commit is contained in:
Christian Mauderer 2017-10-02 09:57:04 +02:00 committed by Sebastian Huber
parent a70edfc49a
commit d18c6435c4
4 changed files with 9 additions and 3 deletions
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3
builder.py
View File

@ -156,8 +156,7 @@ class diffRecord:
# This stuff needs to move to libbsd.py. # This stuff needs to move to libbsd.py.
# #
def commonFlags(): def commonFlags():
return ['-O2', return ['-g',
'-g',
'-fno-strict-aliasing', '-fno-strict-aliasing',
'-ffreestanding', '-ffreestanding',
'-fno-common'] '-fno-common']

2
libbsd_waf.py
View File

@ -34,7 +34,7 @@ def configure(conf):
def build(bld): def build(bld):
# C/C++ flags # C/C++ flags
common_flags = [] common_flags = []
common_flags += ["-O2"] common_flags += ["-O" + bld.env.OPTIMIZATION]
common_flags += ["-g"] common_flags += ["-g"]
common_flags += ["-fno-strict-aliasing"] common_flags += ["-fno-strict-aliasing"]
common_flags += ["-ffreestanding"] common_flags += ["-ffreestanding"]

1
waf_generator.py
View File

@ -371,6 +371,7 @@ class ModuleManager(builder.ModuleManager):
self.add('def build(bld):') self.add('def build(bld):')
self.add(' # C/C++ flags') self.add(' # C/C++ flags')
self.add(' common_flags = []') self.add(' common_flags = []')
self.add(' common_flags += ["-O%s" % (bld.env.OPTIMIZATION)]')
for f in builder.commonFlags(): for f in builder.commonFlags():
self.add(' common_flags += ["%s"]' % (f)) self.add(' common_flags += ["%s"]' % (f))
self.add(' if bld.env.WARNINGS:') self.add(' if bld.env.WARNINGS:')

6
wscript
View File

@ -68,6 +68,11 @@ def options(opt):
default = "", default = "",
dest = "freebsd_options", dest = "freebsd_options",
help = "Set FreeBSD options (developer option).") help = "Set FreeBSD options (developer option).")
opt.add_option("--optimization",
action = "store",
default = "2",
dest = "optimization",
help = "Set optimization level to OPTIMIZATION (-On compiler flag). Default is 2 (-O2).")
libbsd_waf.options(opt) libbsd_waf.options(opt)
def bsp_configure(conf, arch_bsp): def bsp_configure(conf, arch_bsp):
@ -88,6 +93,7 @@ def configure(conf):
conf.env.WARNINGS = conf.options.warnings conf.env.WARNINGS = conf.options.warnings
conf.env.NET_CONFIG = conf.options.net_config conf.env.NET_CONFIG = conf.options.net_config
conf.env.FREEBSD_OPTIONS =conf.options.freebsd_options conf.env.FREEBSD_OPTIONS =conf.options.freebsd_options
conf.env.OPTIMIZATION = conf.options.optimization
rtems.configure(conf, bsp_configure) rtems.configure(conf, bsp_configure)
libbsd_waf.configure(conf) libbsd_waf.configure(conf)