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2007-01-11 Paolo Bonzini <bonzini@gnu.org>

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* config/warnings.m4: Add second parameter with name of variable.
	Always append to the variable if it exists.
This commit is contained in:
Paolo Bonzini
2007-01-11 14:12:07 +00:00
parent 42f55f77a8
commit 85e36f1332
2 changed files with 20 additions and 11 deletions
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5
config/ChangeLog
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@@ -1,3 +1,8 @@
2007-01-11 Paolo Bonzini <bonzini@gnu.org>
* config/warnings.m4: Add second parameter with name of variable.
Always append to the variable if it exists.
2007-01-01 Mike Stump <mrs@apple.com> 2007-01-01 Mike Stump <mrs@apple.com>
* mh-ppc-darwin: Remove support for building with Apple's gcc-3.1. * mh-ppc-darwin: Remove support for building with Apple's gcc-3.1.

26
config/warnings.m4
View File

@@ -1,6 +1,6 @@
# Autoconf include file defining macros related to compile-time warnings. # Autoconf include file defining macros related to compile-time warnings.
# Copyright 2004, 2005 Free Software Foundation, Inc. # Copyright 2004, 2005, 2007 Free Software Foundation, Inc.
#This file is part of GCC. #This file is part of GCC.
@@ -19,13 +19,14 @@
#Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA #Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
#02110-1301, USA. #02110-1301, USA.
# ACX_PROG_CC_WARNING_OPTS([-Wfoo -Wbar -Wbaz]) # ACX_PROG_CC_WARNING_OPTS(WARNINGS, [VARIABLE = WARN_CFLAGS@)
# Sets @WARN_CFLAGS@ to the subset of the given options which the # Sets @VARIABLE@ to the subset of the given options which the
# compiler accepts. # compiler accepts.
AC_DEFUN([ACX_PROG_CC_WARNING_OPTS], AC_DEFUN([ACX_PROG_CC_WARNING_OPTS],
[AC_REQUIRE([AC_PROG_CC])dnl [AC_REQUIRE([AC_PROG_CC])dnl
AC_SUBST([WARN_CFLAGS])dnl m4_pushdef([acx_Var], [m4_default([$2], [WARN_CFLAGS])])dnl
WARN_CFLAGS= AC_SUBST(acx_Var)dnl
acx_Var=
save_CFLAGS="$CFLAGS" save_CFLAGS="$CFLAGS"
for option in $1; do for option in $1; do
AS_VAR_PUSHDEF([acx_Woption], [acx_cv_prog_cc_warning_$option]) AS_VAR_PUSHDEF([acx_Woption], [acx_cv_prog_cc_warning_$option])
@@ -36,20 +37,22 @@ for option in $1; do
[AS_VAR_SET(acx_Woption, no)]) [AS_VAR_SET(acx_Woption, no)])
]) ])
AS_IF([test AS_VAR_GET(acx_Woption) = yes], AS_IF([test AS_VAR_GET(acx_Woption) = yes],
[WARN_CFLAGS="$WARN_CFLAGS${WARN_CFLAGS:+ }$option"]) [acx_Var="$acx_Var${acx_Var:+ }$option"])
AS_VAR_POPDEF([acx_Woption])dnl AS_VAR_POPDEF([acx_Woption])dnl
done done
CFLAGS="$save_CFLAGS" CFLAGS="$save_CFLAGS"
m4_popdef([acx_Var])dnl
])# ACX_PROG_CC_WARNING_OPTS ])# ACX_PROG_CC_WARNING_OPTS
# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC([-Wno-long-long ...]) # ACX_PROG_CC_WARNING_ALMOST_PEDANTIC(WARNINGS, [VARIABLE = WARN_PEDANTIC)
# Sets WARN_PEDANTIC to "-pedantic" + the argument, if the compiler is GCC # Append to VARIABLE "-pedantic" + the argument, if the compiler is GCC
# and accepts all of those options simultaneously, otherwise to nothing. # and accepts all of those options simultaneously, otherwise to nothing.
AC_DEFUN([ACX_PROG_CC_WARNING_ALMOST_PEDANTIC], AC_DEFUN([ACX_PROG_CC_WARNING_ALMOST_PEDANTIC],
[AC_REQUIRE([AC_PROG_CC])dnl [AC_REQUIRE([AC_PROG_CC])dnl
AC_SUBST([WARN_PEDANTIC])dnl m4_pushdef([acx_Var], [m4_default([$2], [WARN_PEDANTIC])])dnl
AC_SUBST(acx_Var)dnl
AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_$1])dnl AS_VAR_PUSHDEF([acx_Pedantic], [acx_cv_prog_cc_pedantic_$1])dnl
WARN_PEDANTIC= acx_Var=
AS_IF([test "$GCC" = yes], AS_IF([test "$GCC" = yes],
[AC_CACHE_CHECK([whether $CC supports -pedantic $1], acx_Pedantic, [AC_CACHE_CHECK([whether $CC supports -pedantic $1], acx_Pedantic,
[save_CFLAGS="$CFLAGS" [save_CFLAGS="$CFLAGS"
@@ -59,9 +62,10 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],[])],
[AS_VAR_SET(acx_Pedantic, no)]) [AS_VAR_SET(acx_Pedantic, no)])
CFLAGS="$save_CFLAGS"]) CFLAGS="$save_CFLAGS"])
AS_IF([test AS_VAR_GET(acx_Pedantic) = yes], AS_IF([test AS_VAR_GET(acx_Pedantic) = yes],
[WARN_PEDANTIC="-pedantic $1"]) [acx_Var="$acx_Var${acx_Var:+ }-pedantic $1"])
]) ])
AS_VAR_POPDEF([acx_Pedantic])dnl AS_VAR_POPDEF([acx_Pedantic])dnl
m4_popdef([acx_Var])dnl
])# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC ])# ACX_PROG_CC_WARNING_ALMOST_PEDANTIC
# ACX_PROG_CC_WARNINGS_ARE_ERRORS([x.y.z]) # ACX_PROG_CC_WARNINGS_ARE_ERRORS([x.y.z])