diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/mkmf.rb | 68 |
1 files changed, 48 insertions, 20 deletions
diff --git a/lib/mkmf.rb b/lib/mkmf.rb index 2c6cdc1d68..fb37cae9ea 100644 --- a/lib/mkmf.rb +++ b/lib/mkmf.rb @@ -79,12 +79,35 @@ def xsystem command return r end -def try_link(libs) +def try_link(src, opt="") + cfile = open("conftest.c", "w") + cfile.print src + cfile.close xsystem(format(LINK, $CFLAGS, $LDFLAGS, libs)) end -def try_cpp - xsystem(format(CPP, $CFLAGS)) +def try_cpp(src, opt=$CFLAGS) + cfile = open("conftest.c", "w") + cfile.print src + cfile.close + xsystem(format(CPP, opt)) +end + +def egrep_cpp(pat, src, opt=$CFLAGS) + cfile = open("conftest.c", "w") + cfile.print src + cfile.close + xsystem(format(CPP+"|egrep #{pat}", opt)) +end + +def try_run(src, opt="") + begin + if try_link(src, opt) + xsystem("./conftest") + end + ensure + system "rm -f conftest*" + end end def install_rb(mfile) @@ -137,7 +160,10 @@ int t() { %s(); return 0; } else libs = "-l" + lib end - unless try_link(libs) + unless try_link(<<"SRC", libs) +int main() { return 0; } +int t() { #{func}(); return 0; } +SRC $lib_cache[lib] = 'no' $cache_mod = TRUE print "no\n" @@ -175,19 +201,15 @@ def have_func(func) end end - cfile = open("conftest.c", "w") - cfile.printf "\ -char %s(); -int main() { return 0; } -int t() { %s(); return 0; } -", func, func - cfile.close - libs = $libs libs = "" if libs == nil begin - unless try_link(libs) + unless try_link(<<"SRC", libs) +char #{func}(); +int main() { return 0; } +int t() { #{func}(); return 0; } +SRC $func_found[func] = 'no' $found = TRUE print "no\n" @@ -218,14 +240,10 @@ def have_header(header) end end - cfile = open("conftest.c", "w") - cfile.printf "\ -#include <%s> -", header - cfile.close - begin - unless try_cpp + unless try_cpp(<<"SRC") +#include <#{header}> +SRC $hdr_found[header] = 'no' $found = TRUE print "no\n" @@ -264,6 +282,16 @@ def with_config(config, default="yes") arg_config(config, default) end +def enable_config(config, default=nil) + if arg_config("--enable-"+config, true) + true + elsif arg_config("--disable-"+config, false) + false + else + default + end +end + def create_header() print "creating extconf.h\n" STDOUT.flush |