bitcoin/build-aux/m4/bitcoin_subdir_to_include.m4

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
])
configure: Check common include subdirectories for bdb headers, and refuse to use any version other than 4.8 by default 2013-09-07 12:43:25 -07:00			`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$3.h>" >conftest.cpp`
autotools: fix subdir m4 check, never let it return -I If BDB_CPPFLAGS returns only "-I", the next argument sent to the preprocessor is treated as a path. There are 2 fixes here: 1. Check in CPPFLAGS, as a user might have manually passed a path to check. 2. Ensure the value is not empty before setting BDB_CPPFLAGS to "-I value" 2013-09-18 14:09:11 -07:00			newinclpath=`${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`]
configure: Check common include subdirectories for bdb headers, and refuse to use any version other than 4.8 by default 2013-09-07 12:43:25 -07:00			`AC_MSG_RESULT([${newinclpath}])`
autotools: fix subdir m4 check, never let it return -I If BDB_CPPFLAGS returns only "-I", the next argument sent to the preprocessor is treated as a path. There are 2 fixes here: 1. Check in CPPFLAGS, as a user might have manually passed a path to check. 2. Ensure the value is not empty before setting BDB_CPPFLAGS to "-I value" 2013-09-18 14:09:11 -07:00			`if test "x${newinclpath}" != "x"; then`
			`eval "$1=\"\$$1\"' -I${newinclpath}'"`
			`fi`
configure: Check common include subdirectories for bdb headers, and refuse to use any version other than 4.8 by default 2013-09-07 12:43:25 -07:00			`fi`
			`])`