diff options
Diffstat (limited to 'sim/igen/configure')
| -rwxr-xr-x | sim/igen/configure | 116 |
1 files changed, 86 insertions, 30 deletions
diff --git a/sim/igen/configure b/sim/igen/configure index ae35d572353..ddb7f758122 100755 --- a/sim/igen/configure +++ b/sim/igen/configure @@ -685,6 +685,7 @@ SHELL' ac_subst_files='' ac_user_opts=' enable_option_checking +enable_werror enable_build_warnings enable_sim_build_warnings ' @@ -1315,8 +1316,11 @@ Optional Features: --disable-option-checking ignore unrecognized --enable/--with options --disable-FEATURE do not include FEATURE (same as --enable-FEATURE=no) --enable-FEATURE[=ARG] include FEATURE [ARG=yes] - --enable-build-warnings Enable build-time compiler warnings if gcc is used - --enable-gdb-build-warnings Enable SIM specific build-time compiler warnings if gcc is used + --enable-werror treat compile warnings as errors + --enable-build-warnings enable build-time compiler warnings if gcc is used + --enable-sim-build-warnings + enable SIM specific build-time compiler warnings if + gcc is used Some influential environment variables: CC C compiler command @@ -2107,6 +2111,44 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu +## -*- Autoconf -*- + +# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007 +# Free Software Foundation, Inc. +# +# This file is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# serial 8 + +# Based on depend.m4 from automake 1.9, modified for standalone use in +# an environment where GNU make is required. + +# ZW_PROG_COMPILER_DEPENDENCIES +# ----------------------------- +# Variant of _AM_DEPENDENCIES which just does the dependency probe and +# sets fooDEPMODE accordingly. Cache-variable compatible with +# original; not side-effect compatible. As the users of this macro +# may require accurate dependencies for correct builds, it does *not* +# honor --disable-dependency-checking, and failure to detect a usable +# method is an error. depcomp is assumed to be located in +# $ac_aux_dir. +# +# FIXME: Should use the Autoconf 2.5x language-selection mechanism. + + + +# AM_SET_DEPDIR +# ------------- +# Choose a directory name for dependency files. + + +# ZW_CREATE_DEPDIR +# ---------------- +# As AM_SET_DEPDIR, but also create the directory at config.status time. + + @@ -2282,9 +2324,9 @@ sim_inline="-DDEFAULT_INLINE=0" # 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 $1 to the command-line parameters. # # Sets the shell variable have_gnat to yes or no as appropriate, and # substitutes GNATBIND and GNATMAKE. @@ -3197,29 +3239,44 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu -# NOTE: Don't add -Wall or -Wunused, they both include -# -Wunused-parameter which reports bogus warnings. -# NOTE: If you add to this list, remember to update +# Check whether --enable-werror was given. +if test "${enable_werror+set}" = set; then : + enableval=$enable_werror; case "${enableval}" in + yes | y) ERROR_ON_WARNING="yes" ;; + no | n) ERROR_ON_WARNING="no" ;; + *) as_fn_error "bad value ${enableval} for --enable-werror" "$LINENO" 5 ;; + esac +fi + + +# Enable -Werror by default when using gcc +if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then + ERROR_ON_WARNING=yes +fi + +WERROR_CFLAGS="" +if test "${ERROR_ON_WARNING}" = yes ; then +# NOTE: Disabled in the sim dir due to most sims generating warnings. +# WERROR_CFLAGS="-Werror" + true +fi + +# The entries after -Wno-pointer-sign are disabled warnings which may +# be enabled in the future, which can not currently be used to build +# GDB. +# NOTE: If you change this list, remember to update # gdb/doc/gdbint.texinfo. -build_warnings="-Wimplicit -Wreturn-type -Wcomment -Wtrigraphs \ --Wformat -Wparentheses -Wpointer-arith" -# GCC supports -Wuninitialized only with -O or -On, n != 0. -if test x${CFLAGS+set} = xset; then - case "${CFLAGS}" in - *"-O0"* ) ;; - *"-O"* ) - build_warnings="${build_warnings} -Wuninitialized" - ;; - esac -else - build_warnings="${build_warnings} -Wuninitialized" -fi -# Up for debate: -Wswitch -Wcomment -trigraphs -Wtrigraphs -# -Wunused-function -Wunused-label -Wunused-variable -Wunused-value -# -Wchar-subscripts -Wtraditional -Wshadow -Wcast-qual -# -Wcast-align -Wwrite-strings -Wconversion -Wstrict-prototypes -# -Wmissing-prototypes -Wmissing-declarations -Wredundant-decls -# -Woverloaded-virtual -Winline -Werror" +build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \ +-Wformat-nonliteral -Wno-pointer-sign \ +-Wno-unused -Wunused-value -Wunused-function \ +-Wno-switch -Wno-char-subscripts -Wmissing-prototypes" + +# Enable -Wno-format by default when using gcc on mingw since many +# GCC versions complain about %I64. +case "${host}" in + *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;; +esac + # Check whether --enable-build-warnings was given. if test "${enable_build_warnings+set}" = set; then : enableval=$enable_build_warnings; case "${enableval}" in @@ -3251,7 +3308,6 @@ if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then fi fi WARN_CFLAGS="" -WERROR_CFLAGS="" if test "x${build_warnings}" != x -a "x$GCC" = xyes then { $as_echo "$as_me:${as_lineno-$LINENO}: checking compiler warning flags" >&5 @@ -3282,8 +3338,8 @@ rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext CFLAGS="$saved_CFLAGS" esac done - { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${WARN_CFLAGS}${WERROR_CFLAGS}" >&5 -$as_echo "${WARN_CFLAGS}${WERROR_CFLAGS}" >&6; } + { $as_echo "$as_me:${as_lineno-$LINENO}: result: ${WARN_CFLAGS} ${WERROR_CFLAGS}" >&5 +$as_echo "${WARN_CFLAGS} ${WERROR_CFLAGS}" >&6; } fi |