diff options
author | Vlad Zakharov <vzakhar@synopsys.com> | 2016-09-26 16:36:08 +0100 |
---|---|---|
committer | Nick Clifton <nickc@redhat.com> | 2016-09-26 16:36:08 +0100 |
commit | c5da193232ea0452f714dffee0d417d965590476 (patch) | |
tree | c2867b21c7ceff96ce501c83c1e99025a55d5ba3 /gas/configure | |
parent | 384f7503344b1d07561f801ced7493858cde6164 (diff) | |
download | fsf-binutils-gdb-c5da193232ea0452f714dffee0d417d965590476.zip fsf-binutils-gdb-c5da193232ea0452f714dffee0d417d965590476.tar.gz fsf-binutils-gdb-c5da193232ea0452f714dffee0d417d965590476.tar.bz2 |
When building target binaries, ensure that the warning flags selected for the command line match the target compiler.
bfd * warning.m4 (AC_EGREP_CPP_FOR_BUILD): Introduce macro
to verify CC_FOR_BUILD compiler.
(AM_BINUTILS_WARNINGS): Introduce ac_cpp_for_build variable
and add CC_FOR_BUILD compiler checks.
* Makefile.in: Regenerate.
* configure: Likewise.
* doc/Makefile.in: Likewise.
binutils * Makefile.am: Replace AM_CLFAGS with AM_CFLAGS_FOR_BUILD
when building with CC_FOR_BUILD compiler.
* Makefile.in: Regenerate.
* configure: Likewise.
* doc/Makefile.in: Likewise.
gas * Makefile.in: Regenerate.
* configure: Likewise.
* doc/Makefile.in: Likewise.
gold * Makefile.in: Regenerate.
* configure: Likewise.
* testsuite/Makefile.in: Likewise.
gprof * Makefile.in: Regenerate.
* configure: Likewise.
ld * Makefile.in: Regenerate.
* configure: Likewise.
opcodes * Makefile.in: Regenerate.
* configure: Likewise.
Diffstat (limited to 'gas/configure')
-rwxr-xr-x | gas/configure | 56 |
1 files changed, 50 insertions, 6 deletions
diff --git a/gas/configure b/gas/configure index 29ec28e..6fae0d9 100755 --- a/gas/configure +++ b/gas/configure @@ -642,6 +642,7 @@ cgen_cpu_prefix GDBINIT WARN_WRITE_STRINGS NO_WERROR +WARN_CFLAGS_FOR_BUILD WARN_CFLAGS OTOOL64 OTOOL @@ -10985,7 +10986,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 10988 "configure" +#line 10989 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -11091,7 +11092,7 @@ else lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2 lt_status=$lt_dlunknown cat > conftest.$ac_ext <<_LT_EOF -#line 11094 "configure" +#line 11095 "configure" #include "confdefs.h" #if HAVE_DLFCN_H @@ -11721,8 +11722,12 @@ using_cgen=no # Set the 'development' global. . $srcdir/../bfd/development.sh +# Set acp_cpp_for_build variable +ac_cpp_for_build="$CC_FOR_BUILD -E $CPPFLAGS_FOR_BUILD" + # Default set of GCC warnings to enable. GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" +GCC_WARN_CFLAGS_FOR_BUILD="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" # Add -Wshadow if the compiler is a sufficiently recent version of GCC. cat confdefs.h - <<_ACEOF >conftest.$ac_ext @@ -11767,6 +11772,36 @@ fi rm -f conftest* +# Verify CC_FOR_BUILD to be compatible with waring flags + +# Add -Wshadow if the compiler is a sufficiently recent version of GCC. +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +__GNUC__ +_ACEOF +if (eval "$ac_cpp_for_build conftest.$ac_ext") 2>&5 | + $EGREP "^[0-3]$" >/dev/null 2>&1; then : + +else + GCC_WARN_CFLAGS_FOR_BUILD="$GCC_WARN_CFLAGS_FOR_BUILD -Wshadow" +fi +rm -f conftest* + + +# Add -Wstack-usage if the compiler is a sufficiently recent version of GCC. +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ +__GNUC__ +_ACEOF +if (eval "$ac_cpp_for_build conftest.$ac_ext") 2>&5 | + $EGREP "^[0-4]$" >/dev/null 2>&1; then : + +else + GCC_WARN_CFLAGS_FOR_BUILD="$GCC_WARN_CFLAGS_FOR_BUILD -Wstack-usage=262144" +fi +rm -f conftest* + + # Check whether --enable-werror was given. if test "${enable_werror+set}" = set; then : enableval=$enable_werror; case "${enableval}" in @@ -11782,6 +11817,7 @@ case "${host}" in *-*-mingw32*) if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wno-format" + GCC_WARN_CFLAGS_FOR_BUILD="$GCC_WARN_CFLAGS_FOR_BUILD -Wno-format" fi ;; *) ;; @@ -11795,25 +11831,32 @@ fi NO_WERROR= if test "${ERROR_ON_WARNING}" = yes ; then GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror" + GCC_WARN_CFLAGS_FOR_BUILD="$GCC_WARN_CFLAGS_FOR_BUILD -Werror" NO_WERROR="-Wno-error" fi if test "${GCC}" = yes ; then WARN_CFLAGS="${GCC_WARN_CFLAGS}" + WARN_CFLAGS_FOR_BUILD="${GCC_WARN_CFLAGS_FOR_BUILD}" fi # Check whether --enable-build-warnings was given. if test "${enable_build_warnings+set}" = set; then : enableval=$enable_build_warnings; case "${enableval}" in - yes) WARN_CFLAGS="${GCC_WARN_CFLAGS}";; + yes) WARN_CFLAGS="${GCC_WARN_CFLAGS}" + WARN_CFLAGS_FOR_BUILD="${GCC_WARN_CFLAGS_FOR_BUILD}";; no) if test "${GCC}" = yes ; then WARN_CFLAGS="-w" + WARN_CFLAGS_FOR_BUILD="-w" fi;; ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` - WARN_CFLAGS="${GCC_WARN_CFLAGS} ${t}";; + WARN_CFLAGS="${GCC_WARN_CFLAGS} ${t}" + WARN_CFLAGS_FOR_BUILD="${GCC_WARN_CFLAGS_FOR_BUILD} ${t}";; *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` - WARN_CFLAGS="${t} ${GCC_WARN_CFLAGS}";; - *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;; + WARN_CFLAGS="${t} ${GCC_WARN_CFLAGS}" + WARN_CFLAGS_FOR_BUILD="${t} ${GCC_WARN_CFLAGS_FOR_BUILD}";; + *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"` + WARN_CFLAGS_FOR_BUILD=`echo "${enableval}" | sed -e "s/,/ /g"`;; esac fi @@ -11827,6 +11870,7 @@ fi + # Generate a header file ac_config_headers="$ac_config_headers config.h:config.in" |