diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/mkmf.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb index d56fe8896e..80c1651994 100644 --- a/lib/mkmf.rb +++ b/lib/mkmf.rb @@ -617,6 +617,27 @@ def dir_config(target, idefault=nil, ldefault=nil) [idir, ldir] end +def pkg_config(pkg) + unless defined?($PKGCONFIG) + if pkgconfig = with_config("pkg-config", !CROSS_COMPILING && "pkg-config") + find_executable0(pkgconfig) or pkgconfig = nil + end + $PKGCONFIG = pkgconfig + end + if $PKGCONFIG and system("#{$PKGCONFIG} --exists #{pkg}") + cflags = `#{$PKGCONFIG} --cflags #{pkg}`.chomp + ldflags = `#{$PKGCONFIG} --libs-only-L #{pkg}`.chomp + libs = `#{$PKGCONFIG} --libs-only-l #{pkg}`.chomp + $CFLAGS += " " << cflags + $LDFLAGS += " " << ldflags + $LIBS += " " << libs + Logging::message "package configuration for %s\n", pkg + Logging::message "cflags: %s\nldflags: %s\nlibs: %s\n\n", + cflags, ldflags, libs + [cflags, ldflags, libs] + end +end + def with_destdir(dir) /^\$[\(\{]/ =~ dir ? dir : "$(DESTDIR)"+dir end |