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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_with_build_path.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_WITH_BUILD_PATH
#
# DESCRIPTION
#
# This macro adds a "--with-build-path" option to the configure script.
# This configure option provides a convenient way to add "-I" options to
# CPPFLAGS and "-L" options to LDFLAGS, at configure time.
#
# Invoking "./configure --with-build-path=DIR" results in "-I DIR/include"
# being added to CPPFLAGS if DIR/include exists, and "-L DIR/lib" being
# added to LDFLAGS if DIR/lib exists.
#
# Separate multiple directories using colons; e.g.
# "--with-build-path=DIR1:DIR2:DIR3".
#
# LICENSE
#
# Copyright (c) 2008 Steve M. Robbins <smr@debian.org>
#
# 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.
#serial 6
AU_ALIAS([SMR_WITH_BUILD_PATH], [AX_WITH_BUILD_PATH])
AC_DEFUN([AX_WITH_BUILD_PATH],
[
AC_ARG_WITH([build-path],
[ --with-build-path=DIR build using DIR/include and DIR/lib],
[
for d in `echo $withval | tr : ' '`; do
test -d $d/include && CPPFLAGS="$CPPFLAGS -I$d/include"
test -d $d/lib && LDFLAGS="$LDFLAGS -L$d/lib"
done
])
])
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