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build: avoid passing empty strings to build flags #1789

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build: avoid passing empty strings to build flags #1789

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build: avoid passing empty strings to build flags
jbergstroem May 25, 2015
38a128c
fix: rewrite cflags parsing and fix include_dir for i18n
jbergstroem May 30, 2015
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12 changes: 9 additions & 3 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -690,7 +690,11 @@ def configure_library(lib, output):
if default_libpath:
default_libpath = '-L' + default_libpath
(pkg_libs, pkg_cflags, pkg_libpath) = pkg_config(lib)
cflags = pkg_cflags.split('-I') if pkg_cflags else default_cflags
# Remove empty strings from the list of include_dirs
if pkg_cflags:
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Minor nitpick. What if pkg_cflags is a blank string with more than one whitespace characters? cflags would become an empty list. Is that okay?

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@thefourtheye I've never been able to get pkg-config give me a similar output. Even if it did, calling strip on " " (two spaces) would return empty:

>>> "  ".strip()
''

cflags = filter(None, map(str.strip, pkg_cflags.split('-I')))
else:
cflags = default_cflags
libs = pkg_libs if pkg_libs else default_lib
libpath = pkg_libpath if pkg_libpath else default_libpath

Expand Down Expand Up @@ -846,10 +850,12 @@ def configure_intl(o):
sys.exit(1)
(libs, cflags, libpath) = pkgicu
# libpath provides linker path which may contain spaces
o['libraries'] += [libpath]
if libpath:
o['libraries'] += [libpath]
# safe to split, cannot contain spaces
o['libraries'] += libs.split()
o['cflags'] += cflags.split()
if cflags:
o['include_dirs'] += filter(None, map(str.strip, cflags.split('-I')))
# use the "system" .gyp
o['variables']['icu_gyp_path'] = 'tools/icu/icu-system.gyp'
return
Expand Down