18 lines
800 B
18 lines
800 B
dnl Copyright (c) 2013-2014 The Bitcoin 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 BITCOIN_SUBDIR_TO_INCLUDE([CPPFLAGS-VARIABLE-NAME],[SUBDIRECTORY-NAME],[HEADER-FILE]) |
|
dnl SUBDIRECTORY-NAME must end with a path separator |
|
AC_DEFUN([BITCOIN_SUBDIR_TO_INCLUDE],[ |
|
if test "x$2" = "x"; 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([${newinclpath}]) |
|
if test "x${newinclpath}" != "x"; then |
|
eval "$1=\"\$$1\"' -I${newinclpath}'" |
|
fi |
|
fi |
|
])
|
|
|