Mercurial > octave-libgccjit
changeset 8938:35e18344fae8
configure.in: options for compiler warning flags
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Mon, 09 Mar 2009 13:23:05 -0400 |
| parents | f27b2c95817f |
| children | 4e1fed5d847b |
| files | ChangeLog configure.in |
| diffstat | 2 files changed, 46 insertions(+), 33 deletions(-) [+] |
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--- a/ChangeLog Mon Mar 09 16:03:17 2009 +0100 +++ b/ChangeLog Mon Mar 09 13:23:05 2009 -0400 @@ -1,3 +1,10 @@ +2009-03-09 John W. Eaton <jwe@octave.org> + + * configure.in (--enable-extra-warning-flags): New option to + control extra compiler warning flags. + (--enable-strict-warning-flags): Rename from --enable-picky-flags. + (GXX_STRICT_FLAGS): Remove -Wenum-clash from the list. + 2009-03-08 Søren Hauberg <hauberg@gmail.com> * NEWS: Mention 'histc'.
--- a/configure.in Mon Mar 09 16:03:17 2009 +0100 +++ b/configure.in Mon Mar 09 13:23:05 2009 -0400 @@ -1925,19 +1925,25 @@ ### Maybe add -Wall, -W, and -Wshadow to compiler flags now that we're ### done feature testing. -if test -z "$EXTERN_CFLAGS"; then +try_extra_warning_flags=true +AC_ARG_ENABLE(extra-warning-flags, + [AS_HELP_STRING([--enable-extra-warning-flags], + [add -Wall, -W, -Wshadow, and -Wold-style-cast options to CFLAGS and CXXFLAGS (on by default, but only if the compiler appears to accept them)])], + [if test "$enableval" = no; then + try_extra_warning_flags=false + fi], []) + +if $try_extra_warning_flags; then OCTAVE_CC_FLAG(-Wall, [ - WARN_CFLAGS="$WARN_CFLAGS -Wall"; - AC_MSG_RESULT([adding -Wall to WARN_CFLAGS])]) + WARN_CFLAGS="$WARN_CFLAGS -Wall"; + AC_MSG_RESULT([adding -Wall to WARN_CFLAGS])]) OCTAVE_CC_FLAG(-W, [ - WARN_CFLAGS="$WARN_CFLAGS -W"; - AC_MSG_RESULT([adding -W to WARN_CFLAGS])]) + WARN_CFLAGS="$WARN_CFLAGS -W"; + AC_MSG_RESULT([adding -W to WARN_CFLAGS])]) OCTAVE_CC_FLAG(-Wshadow, [ - WARN_CFLAGS="$WARN_CFLAGS -Wshadow"; - AC_MSG_RESULT([adding -Wshadow to WARN_CFLAGS])]) -fi + WARN_CFLAGS="$WARN_CFLAGS -Wshadow"; + AC_MSG_RESULT([adding -Wshadow to WARN_CFLAGS])]) -if test -z "$EXTERN_CXXFLAGS"; then OCTAVE_CXX_FLAG(-Wall, [ WARN_CXXFLAGS="$WARN_CXXFLAGS -Wall"; AC_MSG_RESULT([adding -Wall to WARN_CXXFLAGS])]) @@ -1952,33 +1958,33 @@ AC_MSG_RESULT([adding -Wold-style-cast to WARN_CXXFLAGS])]) fi -GCC_PICKY_FLAGS="-Wcast-align -Wcast-qual -Wmissing-prototypes \ +GCC_STRICT_FLAGS="-Wcast-align -Wcast-qual -Wmissing-prototypes \ -Wpointer-arith -Wstrict-prototypes -Wwrite-strings" -GXX_PICKY_FLAGS="-Wcast-align -Wcast-qual -Wpointer-arith \ - -Wwrite-strings -Weffc++ -Wenum-clash" +GXX_STRICT_FLAGS="-Wcast-align -Wcast-qual -Wpointer-arith \ + -Wwrite-strings -Weffc++" + +try_strict_warning_flags=false + +AC_ARG_ENABLE(strict-warning-flags, + [AS_HELP_STRING([--enable-strict-warning-flags], + [add extra strict warning options to CFLAGS and CXXFLAGS (off by default)])], + [if test "$enableval" = yes; then + try_strict_warning_flags=true + fi], []) -AC_ARG_ENABLE(picky-flags, - [AS_HELP_STRING([--enable-picky-flags], - [add extra warning options to CFLAGS, CXXFLAGS, FFLAGS])], - [if test "$enableval" = no; then - true - elif test "$enableval" = yes; then - if test -z "$EXTERN_CFLAGS"; then - for flag in $GCC_PICKY_FLAGS; do - OCTAVE_CC_FLAG($flag, [ - WARN_CFLAGS="$WARN_CFLAGS $flag"; - AC_MSG_RESULT([adding $flag to WARN_CFLAGS])]) - done - fi - if test -z "$EXTERN_CXXFLAGS"; then - for flag in $GXX_PICKY_FLAGS; do - OCTAVE_CXX_FLAG($flag, [ - WARN_CXXFLAGS="$WARN_CXXFLAGS $flag"; - AC_MSG_RESULT([adding $flag to WARN_CXXFLAGS])]) - done - fi - fi], []) +if $try_strict_warning_flags; then + for flag in $GCC_STRICT_FLAGS; do + OCTAVE_CC_FLAG($flag, [ + WARN_CFLAGS="$WARN_CFLAGS $flag"; + AC_MSG_RESULT([adding $flag to WARN_CFLAGS])]) + done + for flag in $GXX_STRICT_FLAGS; do + OCTAVE_CXX_FLAG($flag, [ + WARN_CXXFLAGS="$WARN_CXXFLAGS $flag"; + AC_MSG_RESULT([adding $flag to WARN_CXXFLAGS])]) + done +fi AC_SUBST(WARN_CFLAGS) AC_SUBST(WARN_CXXFLAGS)