historical/moneyrocket.git/build-aux/m4/moneyrocket_subdir_to_include.m4

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2024-01-16 11:20:27 -06:00
dnl Copyright (c) 2013-2014 The Moneyrocket Core developers
dnl Distributed under the MIT software license, see the accompanying
dnl file COPYING or http://www.opensource.org/licenses/mit-license.php.
dnl MONEYROCKET_SUBDIR_TO_INCLUDE([CPPFLAGS-VARIABLE-NAME],[SUBDIRECTORY-NAME],[HEADER-FILE])
dnl SUBDIRECTORY-NAME must end with a path separator
AC_DEFUN([MONEYROCKET_SUBDIR_TO_INCLUDE],[
if test "$2" = ""; then
AC_MSG_RESULT([default])
else
echo "#include <$2$3.h>" >conftest.cpp
newinclpath=`${CXXCPP} ${CPPFLAGS} -M conftest.cpp 2>/dev/null | [ tr -d '\\n\\r\\\\' | sed -e 's/^.*[[:space:]:]\(\/[^[:space:]]*\)]$3[\.h[[:space:]].*$/\1/' -e t -e d`]
AC_MSG_RESULT([${newinclpath}])
if test "${newinclpath}" != ""; then
eval "$1=\"\$$1\"' -I${newinclpath}'"
fi
fi
])