19 lines
800 B
Plaintext
19 lines
800 B
Plaintext
dnl Copyright (c) 2013-2014 The Bitcoin Core developers
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dnl Distributed under the MIT software license, see the accompanying
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dnl file COPYING or http://www.opensource.org/licenses/mit-license.php.
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dnl BITCOIN_SUBDIR_TO_INCLUDE([CPPFLAGS-VARIABLE-NAME],[SUBDIRECTORY-NAME],[HEADER-FILE])
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dnl SUBDIRECTORY-NAME must end with a path separator
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AC_DEFUN([BITCOIN_SUBDIR_TO_INCLUDE],[
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if test "x$2" = "x"; then
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AC_MSG_RESULT([default])
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else
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echo "#include <$2$3.h>" >conftest.cpp
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newinclpath=`${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`]
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AC_MSG_RESULT([${newinclpath}])
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if test "x${newinclpath}" != "x"; then
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eval "$1=\"\$$1\"' -I${newinclpath}'"
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fi
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fi
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])
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