14 lines
602 B
14 lines
602 B
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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