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@node ax_ruby_ext
@unnumberedsec ax_ruby_ext
@majorheading Synopsis
@smallexample
AX_RUBY_EXT
@end smallexample
@majorheading Description
Fetches the linker flags and C compiler flags for compiling and linking
Ruby binary extensions. The macro substitutes RUBY_VERSION,
RUBY_EXT_INC, RUBY_EXT_LIB, RUBY_EXT_CPPFLAGS, RUBY_EXT_LDFLAGS and
RUBY_EXT_DLEXT variables if Ruby executable has been found. It also
checks the same variables before trying to retrieve them from the Ruby
configuration.
@smallexample
RUBY_VERSION: version of the Ruby interpreter
RUBY_EXT_INC: Ruby include directory
RUBY_EXT_LIB: Ruby extensions destination directory
RUBY_EXT_CPPFLAGS: C preprocessor flags to compile extensions
RUBY_EXT_LDFLAGS: linker flags to build extensions
RUBY_EXT_DLEXT: extensions suffix for ruby modules (e.g. "so")
@end smallexample
Examples:
@smallexample
AX_RUBY_EXT
if test x"$RUBY" = x; then
AC_ERROR(["cannot find Ruby"])
fi
@end smallexample
@majorheading Source Code
Download the
@uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_ruby_ext.m4,latest
version of @file{ax_ruby_ext.m4}} or browse
@uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=history;f=m4/ax_ruby_ext.m4,the
macro's revision history}.
@majorheading License
@w{Copyright @copyright{} 2011 Stanislav Sedov @email{stas@@FreeBSD.org}}
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
1. Redistributions of source code must retain the above copyright
@smallexample
notice, this list of conditions and the following disclaimer.
@end smallexample
2. Redistributions in binary form must reproduce the above copyright
@smallexample
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
@end smallexample
THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
THE POSSIBILITY OF SUCH DAMAGE.
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