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19 lines
884 B
Plaintext
19 lines
884 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 "$2" = ""; 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} ${CPPFLAGS} -M conftest.cpp 2>/dev/null | sed [-E -e ':a' -e '/\\$/!b b' -e N -e 's/\\\n/ /' -e 't a' -e ':b' -e 's/^[^:]*:[[:space:]]*(([^[:space:]\]|\\.)*[[:space:]])*(([^[:space:]\]|\\.)*)]$3\.h[([[:space:]].*)?$/\3/' -e 't' -e d])
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AC_MSG_RESULT([${newinclpath}])
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if test "${newinclpath}" != ""; 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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