Top Level Namespace

Relationships & Source Files
Namespace Children
Modules: MakeMakefile
Super Chains via Extension / Inclusion / Inheritance
Instance Chain: self, MakeMakefile

Constant Summary

ASSEMBLE_C =

Command which will translate C files to assembler sources in the generated Makefile

# File 'lib/mkmf.rb', line 2613
```
config_string('ASSEMBLE_C') || COMPILE_C.sub(/(?<=\s)-c(?=\s)/, '-S')
```
ASSEMBLE_CXX =

Command which will translate C++ files to assembler sources in the generated Makefile

# File 'lib/mkmf.rb', line 2618
```
config_string('ASSEMBLE_CXX') || COMPILE_CXX.sub(/(?<=\s)-c(?=\s)/, '-S')
```

CLEANINGS =

Makefile rules that will clean the extension build directory

# File 'lib/mkmf.rb', line 2662

"
clean-static::
clean-rb-default::
clean-rb::
clean-so::
clean: clean-so clean-static clean-rb-default clean-rb
\t\t-$(Q)$(RM) $(CLEANLIBS#{sep}) $(CLEANOBJS#{sep}) $(CLEANFILES#{sep}) .*.time

distclean-rb-default::
distclean-rb::
distclean-so::
distclean-static::
distclean: clean distclean-so distclean-static distclean-rb-default distclean-rb
\t\t-$(Q)$(RM) Makefile $(RUBY_EXTCONF_H) #{CONFTEST}.* mkmf.log
\t\t-$(Q)$(RM) core ruby$(EXEEXT) *~ $(DISTCLEANFILES#{sep})
\t\t-$(Q)$(RMDIRS) $(DISTCLEANDIRS#{sep})#{$ignore_error}

realclean: distclean
"

COMMON_HEADERS =

Common headers for Ruby C extensions

# File 'lib/mkmf.rb', line 2587
```
hdr.join("\n")
```
COMMON_LIBS =

Common libraries for Ruby C extensions

# File 'lib/mkmf.rb', line 2592
```
config_string('COMMON_LIBS', &split) || []
```
COMPILE_C =

Command which will compile C files in the generated Makefile

# File 'lib/mkmf.rb', line 2603
```
config_string('COMPILE_C') || '$(CC) $(INCFLAGS) $(CPPFLAGS) $(CFLAGS) $(COUTFLAG)$@ -c $<'
```
COMPILE_CXX =

Command which will compile C++ files in the generated Makefile

# File 'lib/mkmf.rb', line 2608
```
config_string('COMPILE_CXX') || '$(CXX) $(INCFLAGS) $(CPPFLAGS) $(CXXFLAGS) $(COUTFLAG)$@ -c $<'
```
COMPILE_RULES =

make compile rules

# File 'lib/mkmf.rb', line 2597
```
config_string('COMPILE_RULES', &split) || %w[.%s.%s:]
```
CONFIG =

The makefile configuration using the defaults from when Ruby was built.

# File 'lib/mkmf.rb', line 62
```
RbConfig::MAKEFILE_CONFIG
```
CXX_EXT =

Extensions for files complied with a C++ compiler

# File 'lib/mkmf.rb', line 73
```
%w[cc mm cxx cpp]
```
C_EXT =

Extensions for files compiled with a C compiler

# File 'lib/mkmf.rb', line 68
```
%w[c m]
```
EXPORT_PREFIX =
# File 'lib/mkmf.rb', line 2569
```
config_string('EXPORT_PREFIX') {|s| s.strip}
```
HDR_EXT =

Extensions for header files

# File 'lib/mkmf.rb', line 86
```
%w[h hpp]
```
LIBARG =

Argument which will add a library to the linker

# File 'lib/mkmf.rb', line 2648
```
config_string('LIBARG') || '-l%s'
```
LIBPATHFLAG =

Argument which will add a library path to the linker

# File 'lib/mkmf.rb', line 2642
```
config_string('LIBPATHFLAG') || ' -L%s'
```

LINK_SO =

Command which will link a shared library

# File 'lib/mkmf.rb', line 2630

(config_string('LINK_SO') || "").sub(/^$/) do
  if CONFIG["DLEXT"] == $OBJEXT
    "ld $(DLDFLAGS) -r -o $@ $(OBJS)\n"
  else
    "$(LDSHARED) #{OUTFLAG}$@ $(OBJS) " \
    "$(LIBPATH) $(DLDFLAGS) $(LOCAL_LIBS) $(LIBS)"
  end
end

MAIN_DOES_NOTHING =

A C main function which does no work

# File 'lib/mkmf.rb', line 2653

config_string('MAIN_DOES_NOTHING') || "int main(int argc, char **argv)\n{\n  return 0;\n}"

ORIG_LIBPATH =
# File 'lib/mkmf.rb', line 63
```
ENV['LIB']
```
RPATHFLAG =
# File 'lib/mkmf.rb', line 2643
```
config_string('RPATHFLAG') || ''
```
RULE_SUBST =
# File 'lib/mkmf.rb', line 2598
```
config_string('RULE_SUBST')
```
SRC_EXT =

Extensions for source files

# File 'lib/mkmf.rb', line 81
```
C_EXT + CXX_EXT
```

TRY_LINK =

Command which will compile a program in order to test linking a library

# File 'lib/mkmf.rb', line 2623

config_string('TRY_LINK') ||
"$(CC) #{OUTFLAG}#{CONFTEST}#{$EXEEXT} $(INCFLAGS) $(CPPFLAGS) " \
"$(CFLAGS) $(src) $(LIBPATH) $(LDFLAGS) $(ARCH_FLAG) $(LOCAL_LIBS) $(LIBS)"

UNIVERSAL_INTS =
# File 'lib/mkmf.rb', line 2654

config_string('UNIVERSAL_INTS') {|s| Shellwords.shellwords(s)} ||
%w[int short long long\ long]