78 lines
2.9 KiB
Text
78 lines
2.9 KiB
Text
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dnl Callers like CI or developers can enable various warning flags
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dnl including those that would be fatal to the configure script
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dnl itself passing (autotools probing code is rather sloppy by
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dnl strict standards). These routines try to stash away the warning
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dnl flags from CFLAGS and CXXFLAGS passed by user, to re-apply in
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dnl the end of configure script run.
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AC_DEFUN([NUT_STASH_WARNINGS],
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[
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dnl WARNING: This code assumes that there are no whitespaces
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dnl inside C*FLAGS values (e.g. no spacey include paths)
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CFLAGS_STASHED_WARNINGS=""
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CPPFLAGS_STASHED_WARNINGS=""
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CXXFLAGS_STASHED_WARNINGS=""
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AS_IF([test -z "$CFLAGS"],[],[
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TMP=""
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for V in ${CFLAGS} ; do
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case "$V" in
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-W*|-*pedantic*) CFLAGS_STASHED_WARNINGS="${CFLAGS_STASHED_WARNINGS} ${V}" ;;
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*) TMP="${TMP} ${V}" ;;
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esac
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done
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CFLAGS="$TMP"
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])
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AS_IF([test -n "${CFLAGS_STASHED_WARNINGS}"],
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[AC_MSG_NOTICE([Stashed CFLAGS warnings to not confuse autotools probes: ${CFLAGS_STASHED_WARNINGS}])])
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AS_IF([test -z "$CPPFLAGS"],[],[
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TMP=""
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for V in ${CPPFLAGS} ; do
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case "$V" in
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-W*|-*pedantic*) CPPFLAGS_STASHED_WARNINGS="${CPPFLAGS_STASHED_WARNINGS} ${V}" ;;
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*) TMP="${TMP} ${V}" ;;
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esac
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done
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CPPFLAGS="$TMP"
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])
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AS_IF([test -n "${CPPFLAGS_STASHED_WARNINGS}"],
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[AC_MSG_NOTICE([Stashed CPPFLAGS warnings to not confuse autotools probes: ${CPPFLAGS_STASHED_WARNINGS}])])
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AS_IF([test -z "$CXXFLAGS"],[],[
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TMP=""
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for V in ${CXXFLAGS} ; do
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case "$V" in
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-W*|-*pedantic*) CXXFLAGS_STASHED_WARNINGS="${CXXFLAGS_STASHED_WARNINGS} ${V}" ;;
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*) TMP="${TMP} ${V}" ;;
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esac
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done
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CXXFLAGS="$TMP"
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])
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AS_IF([test -n "${CXXFLAGS_STASHED_WARNINGS}"],
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[AC_MSG_NOTICE([Stashed CXXFLAGS warnings to not confuse autotools probes: ${CXXFLAGS_STASHED_WARNINGS}])])
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])
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AC_DEFUN([NUT_POP_WARNINGS],
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[
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AS_IF([test -n "${CFLAGS_STASHED_WARNINGS}"],[
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AC_MSG_NOTICE([Applying back the stashed CFLAGS warnings])
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CFLAGS="${CFLAGS} ${CFLAGS_STASHED_WARNINGS}"
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AC_MSG_NOTICE([Ended up with: '${CFLAGS}'])
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])
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AS_IF([test -n "${CPPFLAGS_STASHED_WARNINGS}"],[
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AC_MSG_NOTICE([Applying back the stashed CPPFLAGS warnings])
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CPPFLAGS="${CPPFLAGS} ${CPPFLAGS_STASHED_WARNINGS}"
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AC_MSG_NOTICE([Ended up with: '${CPPFLAGS}'])
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])
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AS_IF([test -n "${CXXFLAGS_STASHED_WARNINGS}"],[
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AC_MSG_NOTICE([Applying back the stashed CXXFLAGS warnings])
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CXXFLAGS="${CXXFLAGS} ${CXXFLAGS_STASHED_WARNINGS}"
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AC_MSG_NOTICE([Ended up with: '${CXXFLAGS}'])
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])
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])
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