diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/mkmf.rb | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb index 672b97b7ec..f6637b493d 100644 --- a/lib/mkmf.rb +++ b/lib/mkmf.rb @@ -1717,11 +1717,21 @@ SRC # :stopdoc: - # Handles meta information about installed libraries. Uses your platform's - # pkg-config program if it has one. + # Returns compile/link information about an installed library in a + # tuple of <code>[cflags, ldflags, libs]</code>, by using the + # command found first in the following commands: # - # The actual command name can be overridden by - # <code>--with-pkg-config</code> command line option. + # 1. If <code>--with-{pkg}-config={command}</code> is given via + # command line option: <code>{command} {option}</code> + # + # 2. <code>{pkg}-config {option}</code> + # + # 3. <code>pkg-config {option} {pkg}</code> + # + # Where {option} is, for instance, <code>--cflags</code>. + # + # If an <code>option</code> argument is given, the config command is + # invoked with the option and a stripped output string is returned. def pkg_config(pkg, option=nil) if pkgconfig = with_config("#{pkg}-config") and find_executable0(pkgconfig) # iff package specific config command is given |