Optional Features:
--disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no)
--enable-FEATURE[=ARG] include FEATURE [ARG=yes]
- --enable-libada Builds libada directory
- --enable-libssp Builds libssp directory
- --enable-stage1-languages=all choose additional languages to build during
+ --enable-libada build libada directory
+ --enable-libssp build libssp directory
+ --enable-stage1-languages[=all] choose additional languages to build during
stage1. Mostly useful for compiler development.
- --enable-objc-gc enable the use of Boehm's garbage collector with
- the GNU Objective-C runtime.
- --enable-bootstrap Enable bootstrapping yes if native build
- --enable-serial-{host,target,build}-configure
- Force sequential configuration of
+ --enable-objc-gc enable use of Boehm's garbage collector with the
+ GNU Objective-C runtime
+ --enable-bootstrap enable bootstrapping [yes if native build]
+ --enable-serial-[{host,target,build}-]configure
+ force sequential configuration of
sub-packages for the host, target or build
- machine, or all sub-packages
+ machine, or all sub-packages
--enable-maintainer-mode enable make rules and dependencies not useful
(and sometimes confusing) to the casual installer
- --enable-stage1-checking=all choose additional checking for stage1
- of the compiler.
+ --enable-stage1-checking[=all] choose additional checking for stage1
+ of the compiler
--enable-werror enable -Werror in bootstrap stage2 and later
Optional Packages:
--with-PACKAGE[=ARG] use PACKAGE [ARG=yes]
--without-PACKAGE do not use PACKAGE (same as --with-PACKAGE=no)
--with-build-libsubdir=DIR Directory where to find libraries for build system
- --with-mpfr-dir=PATH This option has been REMOVED
- --with-mpfr=PATH Specify prefix directory for installed MPFR package
+ --with-mpfr-dir=PATH this option has been REMOVED
+ --with-mpfr=PATH specify prefix directory for installed MPFR package.
Equivalent to --with-mpfr-include=PATH/include
plus --with-mpfr-lib=PATH/lib
--with-mpfr-include=PATH
- Specify directory for installed MPFR include files
- --with-mpfr-lib=PATH Specify the directory for the installed MPFR library
- --with-gmp-dir=PATH This option has been REMOVED
- --with-gmp=PATH Specify prefix directory for the installed GMP package
+ specify directory for installed MPFR include files
+ --with-mpfr-lib=PATH specify directory for the installed MPFR library
+ --with-gmp-dir=PATH this option has been REMOVED
+ --with-gmp=PATH specify prefix directory for the installed GMP package.
Equivalent to --with-gmp-include=PATH/include
plus --with-gmp-lib=PATH/lib
- --with-gmp-include=PATH Specify directory for installed GMP include files
- --with-gmp-lib=PATH Specify the directory for the installed GMP library
- --with-build-sysroot=sysroot
+ --with-gmp-include=PATH specify directory for installed GMP include files
+ --with-gmp-lib=PATH specify directory for the installed GMP library
+ --with-build-sysroot=SYSROOT
use sysroot as the system root during the build
- --with-build-time-tools=path
+ --with-build-time-tools=PATH
use given path to find target tools during the build
- --with-datarootdir Use datarootdir as the data root directory.
- --with-docdir Install documentation in this directory.
- --with-pdfdir Install pdf in this directory.
- --with-htmldir Install html in this directory.
+ --with-datarootdir use datarootdir as the data root directory.
+ --with-docdir install documentation in this directory.
+ --with-pdfdir install pdf in this directory.
+ --with-htmldir install html in this directory.
Some influential environment variables:
CC C compiler command
# Disable libmudflap on some systems.
if test x$enable_libmudflap = x ; then
case "${target}" in
- *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | *-*-linux-uclibc* | *-*-uclinux*)
+ *-*-linux* | *-*-gnu* | *-*-k*bsd*-gnu | bfin*-*-uclinux*)
# Enable libmudflap by default in GNU and friends.
;;
*-*-freebsd*)
alpha*-*-*vms*)
md_exec_prefix=/gnu/lib/gcc-lib
;;
- i3456786-pc-msdosdjgpp*)
+ i[34567]86-pc-msdosdjgpp*)
md_exec_prefix=/dev/env/DJDIR/bin
;;
- i3456786-*-sco3.2v5*)
+ i[34567]86-*-sco3.2v5*)
if test $with_gnu_as = yes; then
md_exec_prefix=/usr/gnu/bin
else
*-*-nto-qnx* | \
*-*-rtems* | \
*-*-solaris2* | \
- *-*-sysv45* | \
+ *-*-sysv[45]* | \
*-*-vxworks* | \
*-wrs-windiss)
md_exec_prefix=/usr/ccs/bin