diff options
Diffstat (limited to 'config')
| -rw-r--r-- | config/ChangeLog | 15 | ||||
| -rw-r--r-- | config/acx.m4 | 8 | ||||
| -rw-r--r-- | config/warnings.m4 | 24 |
3 files changed, 36 insertions, 11 deletions
diff --git a/config/ChangeLog b/config/ChangeLog index ea203bc06..1087ad8ca 100644 --- a/config/ChangeLog +++ b/config/ChangeLog @@ -1,3 +1,18 @@ +2011-12-20 Andreas Schwab <schwab@linux-m68k.org> + + * warnings.m4 (ACX_PROG_CC_WARNING_OPTS): Avoid leading dash in + expr call. + +2011-12-19 Andreas Schwab <schwab@linux-m68k.org> + + * warnings.m4 (ACX_PROG_CC_WARNING_OPTS) + (ACX_PROG_CC_WARNING_ALMOST_PEDANTIC): Run the test without the + no- prefix. + +2011-12-18 Eric Botcazou <ebotcazou@adacore.com> + + * acx.m4 (Test for GNAT): Update comment and add quotes in final test. + 2011-11-02 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * mh-interix (LIBGCC2_DEBUG_CFLAGS): Remove. diff --git a/config/acx.m4 b/config/acx.m4 index b559c03eb..9ff31eb85 100644 --- a/config/acx.m4 +++ b/config/acx.m4 @@ -356,9 +356,9 @@ m4_define([AC_CHECK_HEADER],m4_defn([_AC_CHECK_HEADER_OLD])) ac_c_preproc_warn_flag=yes])# AC_PROG_CPP_WERROR # Test for GNAT. -# We require the gnatbind program, and a compiler driver that -# understands Ada. We use the user's CC setting, already found, -# and possibly add $1 to the command-line parameters. +# We require the gnatbind & gnatmake programs, as well as a compiler driver +# that understands Ada. We use the user's CC setting, already found, and +# possibly add $1 to the command-line parameters. # # Sets the shell variable have_gnat to yes or no as appropriate, and # substitutes GNATBIND and GNATMAKE. @@ -387,7 +387,7 @@ if test x"$errors" = x && test -f conftest.$ac_objext; then fi rm -f conftest.*]) -if test x$GNATBIND != xno && test x$GNATMAKE != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then +if test "x$GNATBIND" != xno && test "x$GNATMAKE" != xno && test x$acx_cv_cc_gcc_supports_ada != xno; then have_gnat=yes else have_gnat=no diff --git a/config/warnings.m4 b/config/warnings.m4 index 3801c856b..b64b594e6 100644 --- a/config/warnings.m4 +++ b/config/warnings.m4 @@ -1,6 +1,6 @@ # Autoconf include file defining macros related to compile-time warnings. -# Copyright 2004, 2005, 2007, 2009 Free Software Foundation, Inc. +# Copyright 2004, 2005, 2007, 2009, 2011 Free Software Foundation, Inc. #This file is part of GCC. @@ -28,7 +28,13 @@ AC_SUBST(acx_Var)dnl m4_expand_once([acx_Var= ],m4_quote(acx_Var=))dnl save_CFLAGS="$CFLAGS" -for option in $1; do +for real_option in $1; do + # Do the check with the no- prefix removed since gcc silently + # accepts any -Wno-* option on purpose + case $real_option in + -Wno-*) option=-W`expr x$real_option : 'x-Wno-\(.*\)'` ;; + *) option=$real_option ;; + esac AS_VAR_PUSHDEF([acx_Woption], [acx_cv_prog_cc_warning_$option]) AC_CACHE_CHECK([whether $CC supports $option], acx_Woption, [CFLAGS="$option" @@ -37,14 +43,14 @@ for option in $1; do [AS_VAR_SET(acx_Woption, no)]) ]) AS_IF([test AS_VAR_GET(acx_Woption) = yes], - [acx_Var="$acx_Var${acx_Var:+ }$option"]) + [acx_Var="$acx_Var${acx_Var:+ }$real_option"]) AS_VAR_POPDEF([acx_Woption])dnl done CFLAGS="$save_CFLAGS" m4_popdef([acx_Var])dnl ])# ACX_PROG_CC_WARNING_OPTS -# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC) +# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC]) # Append to VARIABLE "-pedantic" + the argument, if the compiler is GCC # and accepts all of those options simultaneously, otherwise to nothing. AC_DEFUN([ACX_PROG_CC_WARNING_ALMOST_PEDANTIC], @@ -53,11 +59,14 @@ m4_pushdef([acx_Var], [m4_default([$2], [WARN_PEDANTIC])])dnl AC_SUBST(acx_Var)dnl m4_expand_once([acx_Var= ],m4_quote(acx_Var=))dnl -AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_$1])dnl +# Do the check with the no- prefix removed from the warning options +# since gcc silently accepts any -Wno-* option on purpose +m4_pushdef([acx_Woptions], [m4_bpatsubst([$1], [-Wno-], [-W])])dnl +AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_]acx_Woptions)dnl AS_IF([test "$GCC" = yes], -[AC_CACHE_CHECK([whether $CC supports -pedantic $1], acx_Pedantic, +[AC_CACHE_CHECK([whether $CC supports -pedantic ]acx_Woptions, acx_Pedantic, [save_CFLAGS="$CFLAGS" -CFLAGS="-pedantic $1" +CFLAGS="-pedantic acx_Woptions" AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])], [AS_VAR_SET(acx_Pedantic, yes)], [AS_VAR_SET(acx_Pedantic, no)]) @@ -66,6 +75,7 @@ AS_IF([test AS_VAR_GET(acx_Pedantic) = yes], [acx_Var="$acx_Var${acx_Var:+ }-pedantic $1"]) ]) AS_VAR_POPDEF([acx_Pedantic])dnl +m4_popdef([acx_Woptions])dnl m4_popdef([acx_Var])dnl ])# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC |