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Viewing file:     ax_005fconfigure_005fargs.html (4.29 KB)      -rw-r--r--

ax_configure_args

Synopsis

AX_CONFIGURE_ARGS

Description

Helper macro for AX_ENABLE_BUILDDIR.

The traditional way of starting a subdir-configure is running the script with ${1+"$@"} but since autoconf 2.60 this is broken. Instead we have to rely on eval’ing $ac_configure_args however some old autoconf versions do not provide that. To ensure maximum portability of autoconf extension macros this helper can be AC_REQUIRE’d so that $ac_configure_args will always be present.

Sadly, the traditional "exec $SHELL" of the enable_builddir macros is spoiled now and must be replaced by "eval + exit $?".

Example:

  AC_DEFUN([AX_ENABLE_SUBDIR],[dnl
    AC_REQUIRE([AX_CONFIGURE_ARGS])dnl
    eval $SHELL $ac_configure_args || exit $?
    ...])

Source Code

Download the latest version of ax_configure_args.m4 or browse the macro’s revision history.

License

Copyright © 2008 Guido U. Draheim guidod@gmx.de

Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved. This file is offered as-is, without any warranty.