configure: Use -Wno-ignored-attributes if compiler warns about multiple aliases

clang emits an warning when a double alias redirection is used, to warn
the the original symbol will be used even when weak definition is
overridden.  However, this is a common pattern for weak_alias, where
multiple alias are set to same symbol.

Reviewed-by: Fangrui Song <maskray@google.com>

diff --git a/argp/Makefile b/argp/Makefile
index 586136f2fe79daeaec9df468147cb96ee1be9935..8de8fd61136a9b54c99016a198421e28e5321b2b 100644 (file)
--- a/argp/Makefile
+++ b/argp/Makefile
@@ -29,9 +29,10 @@ routines     = $(addprefix argp-, ba fmtstream fs-xinl help parse pv \
 tests          = argp-test tst-argp1 bug-argp1 tst-argp2 bug-argp2 \
                  tst-ldbl-argp
 
-CFLAGS-argp-help.c += $(uses-callbacks) -fexceptions
-CFLAGS-argp-parse.c += $(uses-callbacks)
-CFLAGS-argp-fmtstream.c += -fexceptions
+CFLAGS-argp-help.c += $(uses-callbacks) -fexceptions $(config-cflags-wno-ignored-attributes)
+CFLAGS-argp-parse.c += $(uses-callbacks) $(config-cflags-wno-ignored-attributes)
+CFLAGS-argp-fmtstream.c += -fexceptions $(config-cflags-wno-ignored-attributes)
+CFLAGS-argp-fs-xinl.c += $(config-cflags-wno-ignored-attributes)
 
 bug-argp1-ARGS = -- --help
 bug-argp2-ARGS = -- -d 111 --dstaddr 222 -p 333 --peer 444

diff --git a/configure b/configure
index adf263d06d37baae18d53b0c6c61ad39a989a1a2..fc3d7842de7e59560760a447df38e530ee58829a 100755 (executable)
--- a/configure
+++ b/configure
@@ -6347,6 +6347,35 @@ $as_echo "$libc_cv_mtls_dialect_gnu2" >&6; }
 config_vars="$config_vars
 have-mtls-dialect-gnu2 = $libc_cv_mtls_dialect_gnu2"
 
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if -Wno-ignored-attributes is required for aliases" >&5
+$as_echo_n "checking if -Wno-ignored-attributes is required for aliases... " >&6; }
+if ${libc_cv_wno_ignored_attributes+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat > conftest.c <<EOF
+void __foo (void)
+{
+}
+extern __typeof (__foo) foo __attribute__ ((weak, alias ("__foo")));
+extern __typeof (__foo) bar __attribute__ ((weak, alias ("foo")));
+EOF
+libc_cv_wno_ignored_attributes=""
+if ! { ac_try='${CC-cc} $CFLAGS $CPPFLAGS -Werror -c conftest.c'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }
+then
+  libc_cv_wno_ignored_attributes="-Wno-ignored-attributes"
+fi
+rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_wno_ignored_attributes" >&5
+$as_echo "$libc_cv_wno_ignored_attributes" >&6; }
+config_vars="$config_vars
+config-cflags-wno-ignored-attributes = $libc_cv_wno_ignored_attributes"
+
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether cc puts quotes around section names" >&5
 $as_echo_n "checking whether cc puts quotes around section names... " >&6; }
 if ${libc_cv_have_section_quotes+:} false; then :

diff --git a/configure.ac b/configure.ac
index c5c4b383a3213c7af02a009a1897a7ad46ee0800..9fc1fb1c1c9a6f71adb52cd23a6c1c99ac84668d 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1404,6 +1404,28 @@ rm -f conftest*])
 AC_SUBST(libc_cv_mtls_dialect_gnu2)
 LIBC_CONFIG_VAR([have-mtls-dialect-gnu2], [$libc_cv_mtls_dialect_gnu2])
 
+dnl clang emits an warning for a double alias redirection, to warn the
+dnl original symbol is sed even when weak definition overriddes it.
+dnl It is a usual pattern for weak_alias, where multiple alias point to
+dnl same symbol.
+AC_CACHE_CHECK([if -Wno-ignored-attributes is required for aliases],
+              libc_cv_wno_ignored_attributes, [dnl
+cat > conftest.c <<EOF
+void __foo (void)
+{
+}
+extern __typeof (__foo) foo __attribute__ ((weak, alias ("__foo")));
+extern __typeof (__foo) bar __attribute__ ((weak, alias ("foo")));
+EOF
+libc_cv_wno_ignored_attributes=""
+if ! AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS -Werror -c conftest.c])
+then
+  libc_cv_wno_ignored_attributes="-Wno-ignored-attributes"
+fi
+rm -f conftest*])
+LIBC_CONFIG_VAR([config-cflags-wno-ignored-attributes],
+               [$libc_cv_wno_ignored_attributes])
+
 AC_CACHE_CHECK(whether cc puts quotes around section names,
               libc_cv_have_section_quotes,
               [cat > conftest.c <<EOF

diff --git a/dirent/Makefile b/dirent/Makefile
index b80f6a73ea6538365fc4b80ed801caaf494bb75f..cfa61826ed55a5fd2da5562d6711aea3d326ee6e 100644 (file)
--- a/dirent/Makefile
+++ b/dirent/Makefile
@@ -37,6 +37,7 @@ CFLAGS-scandir.c += $(uses-callbacks)
 CFLAGS-scandir64.c += $(uses-callbacks)
 CFLAGS-scandir-tail.c += $(uses-callbacks)
 CFLAGS-scandir64-tail.c += $(uses-callbacks)
+CFLAGS-dirfd.c += $(config-cflags-wno-ignored-attributes)
 
 include ../Rules
 

diff --git a/inet/Makefile b/inet/Makefile
index 9b96e57cacb21b4a3e5c0039c870353a6c99d2b4..a5ef1ec0a3da78672ed5f427ac4ccbf1d91ef377 100644 (file)
--- a/inet/Makefile
+++ b/inet/Makefile
@@ -106,6 +106,9 @@ CFLAGS-either_ntoh.c += -fexceptions
 CFLAGS-either_hton.c += -fexceptions
 CFLAGS-getnetgrent.c += -fexceptions
 CFLAGS-getnetgrent_r.c += -fexceptions
+CFLAGS-in6_addr.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-if_index.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-ifaddrs.c += $(config-cflags-wno-ignored-attributes)
 
 CFLAGS-tst-checks-posix.c += -std=c99
 CFLAGS-tst-sockaddr.c += -fno-strict-aliasing

diff --git a/io/Makefile b/io/Makefile
index b1710407d0be683a29dae4b8b3dc90e65e0b7710..14329e58feb8d8d2354c2c30bb06832268fd7318 100644 (file)
--- a/io/Makefile
+++ b/io/Makefile
@@ -107,20 +107,21 @@ endif
 
 include ../Rules
 
-CFLAGS-open.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-open.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
+CFLAGS-openat.c += $(config-cflags-wno-ignored-attributes)
 CFLAGS-open64.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-creat.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-creat64.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-fcntl.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-fcntl64.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-fcntl.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
+CFLAGS-fcntl64.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
 CFLAGS-poll.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-ppoll.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-lockf.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-lockf64.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-lockf64.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
 CFLAGS-statfs.c += -fexceptions
 CFLAGS-fstatfs.c += -fexceptions
-CFLAGS-statvfs.c += -fexceptions
-CFLAGS-fstatvfs.c += -fexceptions
+CFLAGS-statvfs.c += -fexceptions $(config-cflags-wno-ignored-attributes)
+CFLAGS-fstatvfs.c += -fexceptions $(config-cflags-wno-ignored-attributes)
 CFLAGS-fts.c += -Wno-uninitialized $(uses-callbacks) -fexceptions
 CFLAGS-fts64.c += -Wno-uninitialized $(uses-callbacks) -fexceptions
 CFLAGS-fts64-time64.c += -Wno-uninitialized $(uses-callbacks) -fexceptions
@@ -131,9 +132,10 @@ CFLAGS-posix_fallocate.c += -fexceptions
 CFLAGS-posix_fallocate64.c += -fexceptions
 CFLAGS-fallocate.c += -fexceptions
 CFLAGS-fallocate64.c += -fexceptions
-CFLAGS-read.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-write.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-read.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
+CFLAGS-write.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
 CFLAGS-close.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-lseek64.c += $(config-cflags-wno-ignored-attributes)
 
 CFLAGS-test-stat.c += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE
 CFLAGS-test-lfs.c += -D_LARGEFILE64_SOURCE

diff --git a/libio/Makefile b/libio/Makefile
index 3a02611020dbdb0b90d389f91e421a13aff59edd..64398ab1ee7a514390152d3c16e35b5a2ff54251 100644 (file)
--- a/libio/Makefile
+++ b/libio/Makefile
@@ -112,18 +112,18 @@ CFLAGS-getchar.c += -fexceptions
 CFLAGS-getwc.c += -fexceptions
 CFLAGS-getwchar.c += -fexceptions
 CFLAGS-iofclose.c += -fexceptions
-CFLAGS-iofflush.c += -fexceptions
+CFLAGS-iofflush.c += -fexceptions $(config-cflags-wno-ignored-attributes)
 CFLAGS-iofgetpos64.c += -fexceptions
 CFLAGS-iofgetpos.c += -fexceptions
 CFLAGS-iofgets.c += -fexceptions
 CFLAGS-iofgetws.c += -fexceptions
-CFLAGS-iofputs.c += -fexceptions
+CFLAGS-iofputs.c += -fexceptions $(config-cflags-wno-ignored-attributes)
 CFLAGS-iofputws.c += -fexceptions
 CFLAGS-iofread.c += -fexceptions
 CFLAGS-iofsetpos64.c += -fexceptions
 CFLAGS-iofsetpos.c += -fexceptions
 CFLAGS-ioftell.c += -fexceptions
-CFLAGS-iofwrite.c += -fexceptions
+CFLAGS-iofwrite.c += -fexceptions $(config-cflags-wno-ignored-attributes)
 CFLAGS-iogetdelim.c += -fexceptions
 CFLAGS-iogetline.c += -fexceptions
 CFLAGS-iogets.c += -fexceptions
@@ -153,6 +153,14 @@ CFLAGS-oldiofopen.c += -fexceptions
 CFLAGS-iofopen.c += -fexceptions
 CFLAGS-iofopen64.c += -fexceptions
 CFLAGS-oldtmpfile.c += -fexceptions
+CFLAGS-fileno.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-feof_u.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-ferror_u.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-getc_u.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-iofflush_u.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-putc_u.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-iofgets_u.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-iofputs_u.c += $(config-cflags-wno-ignored-attributes)
 # XXX Do we need filedoalloc and wfiledoalloc?  Others?
 
 CFLAGS-tst_putwc.c += -DOBJPFX=\"$(objpfx)\"

diff --git a/login/Makefile b/login/Makefile
index 62440499bcaeaa17dae31b04bb25cac6dcc3c675..a0a96f3bbe06f9bd59c048d0296fe9543267c7eb 100644 (file)
--- a/login/Makefile
+++ b/login/Makefile
@@ -64,6 +64,7 @@ endif # $(have-GLIBC_2.33)
 include ../Rules
 
 CFLAGS-getpt.c += -fexceptions
+CFLAGS-getlogin_r.c += $(config-cflags-wno-ignored-attributes)
 
 ifeq (yesyes,$(have-fpie)$(build-shared))
 pt_chown-cflags += $(pie-ccflag)

diff --git a/misc/Makefile b/misc/Makefile
index ba8232a0e9515241b768d47929bb2d5eef03d0f4..014c601909c0ef7b8932f291439f5f9408230bf7 100644 (file)
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -144,6 +144,8 @@ CFLAGS-tst-tsearch.c += $(stack-align-test-flags)
 CFLAGS-msync.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-fdatasync.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-fsync.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-makedev.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-mmap64.c += $(config-cflags-wno-ignored-attributes)
 
 # Called during static library initialization, so turn stack-protection
 # off for non-shared builds.

diff --git a/posix/Makefile b/posix/Makefile
index d1df7c27cbc0b5e6ad2bc4af0c572ceee1094bd3..4d60449426c7197fb7e08d1ce5a091b1f29f3f6b 100644 (file)
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -248,9 +248,9 @@ $(objpfx)config-name.h: $(..)scripts/config-uname.sh $(common-objpfx)config.make
 CFLAGS-getaddrinfo.c += -DRESOLVER -fexceptions
 CFLAGS-pause.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-pread.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-pread64.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-pread64.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
 CFLAGS-pwrite.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-pwrite64.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-pwrite64.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
 CFLAGS-sleep.c += -fexceptions
 CFLAGS-wait.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-waitid.c += -fexceptions -fasynchronous-unwind-tables
@@ -279,7 +279,7 @@ CFLAGS-execl.os = -fomit-frame-pointer
 CFLAGS-execvp.os = -fomit-frame-pointer
 CFLAGS-execlp.os = -fomit-frame-pointer
 CFLAGS-nanosleep.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-fork.c = $(libio-mtsafe)
+CFLAGS-fork.c = $(libio-mtsafe) $(config-cflags-wno-ignored-attributes)
 
 tstgetopt-ARGS = -a -b -cfoobar --required foobar --optional=bazbug \
                --none random --col --color --colour

diff --git a/resolv/Makefile b/resolv/Makefile
index f8a92c6cff9776dc1c69be6f8f054c9e5959d29d..d9d887a0d0296c9353106815c55d4e92ac6e851b 100644 (file)
--- a/resolv/Makefile
+++ b/resolv/Makefile
@@ -234,6 +234,7 @@ LOCALES := en_US.UTF-8 en_US.ISO-8859-1
 include ../gen-locales.mk
 
 CFLAGS-res_hconf.c += -fexceptions
+CFLAGS-inet_pton.c += $(config-cflags-wno-ignored-attributes)
 
 # The DNS NSS modules needs the resolver.
 $(objpfx)libnss_dns.so: $(objpfx)libresolv.so

diff --git a/resource/Makefile b/resource/Makefile
index d3d230a53853aa83a84d9780e7c572d65062101a..a005eab3e583298401977cdef8c4c4388cbc2c2e 100644 (file)
--- a/resource/Makefile
+++ b/resource/Makefile
@@ -28,3 +28,6 @@ routines := getrlimit setrlimit getrlimit64 setrlimit64 getrusage ulimit      \
 tests = tst-getrlimit bug-ulimit1
 
 include ../Rules
+
+CFLAGS-getrlimit64.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-getrlimit.c += $(config-cflags-wno-ignored-attributes)

diff --git a/socket/Makefile b/socket/Makefile
index 2bde78387f2befe6af62b8f5d0f6ce0bee16b60e..bd659a5ad14f249d010c0f04c83dacd7bd69f0a2 100644 (file)
--- a/socket/Makefile
+++ b/socket/Makefile
@@ -49,11 +49,11 @@ aux  := sa_len
 
 include ../Rules
 
-CFLAGS-recv.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-recv.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
 CFLAGS-recvfrom.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-sendto.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-recvmsg.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-sendmsg.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-send.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-connect.c += -fexceptions -fasynchronous-unwind-tables
-CFLAGS-accept.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-sendmsg.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
+CFLAGS-send.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
+CFLAGS-connect.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)
+CFLAGS-accept.c += -fexceptions -fasynchronous-unwind-tables $(config-cflags-wno-ignored-attributes)

diff --git a/stdio-common/Makefile b/stdio-common/Makefile
index 9c98c02884659745da376bea4bc5d9dac2562d10..401dac69de865d1b68b047d4285ba6fbb8ef5f31 100644 (file)
--- a/stdio-common/Makefile
+++ b/stdio-common/Makefile
@@ -381,6 +381,8 @@ CFLAGS-isoc99_vscanf.c += -fexceptions
 CFLAGS-isoc99_fscanf.c += -fexceptions
 CFLAGS-isoc99_scanf.c += -fexceptions
 
+CFLAGS-dprintf.c += $(config-cflags-wno-ignored-attributes)
+
 # scanf14a.c and scanf16a.c test a deprecated extension which is no
 # longer visible under most conformance levels; see the source files
 # for more detail.

diff --git a/stdlib/Makefile b/stdlib/Makefile
index f7b25c1981f332d8a4a9a311c1ff6a555eebd59c..417d525d8e4c770def5443a330bcb6260119b4a9 100644 (file)
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -375,6 +375,18 @@ CFLAGS-strfromd.c += $(libio-mtsafe)
 CFLAGS-strfromf.c += $(libio-mtsafe)
 CFLAGS-strfroml.c += $(libio-mtsafe)
 
+CFLAGS-strtol.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strtoul.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strtoll.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strtoull.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strtof.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strtof_l.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strtod.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strtod_l.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strtold.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strtold_l.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-secure-getenv.c += $(config-cflags-wno-ignored-attributes)
+
 CFLAGS-tst-bsearch.c += $(stack-align-test-flags)
 CFLAGS-tst-qsort.c += $(stack-align-test-flags)
 CFLAGS-tst-makecontext.c += -funwind-tables

diff --git a/string/Makefile b/string/Makefile
index 641e062bbb10198c9ac173e5447df7b88c762a79..938f528b8d3843b3708229760925bae2ef2f35ae 100644 (file)
--- a/string/Makefile
+++ b/string/Makefile
@@ -231,6 +231,15 @@ LDFLAGS-tst-xbzero-opt = -z now
 CFLAGS-memcpy.c += $(no-stack-protector)
 CFLAGS-wordcopy.c += $(no-stack-protector)
 
+CFLAGS-argz-next.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-basename.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-ffs.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-memmem.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-memchr.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-mempcpy.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-stpcpy.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-strnlen.c += $(config-cflags-wno-ignored-attributes)
+
 ifeq ($(run-built-tests),yes)
 $(objpfx)tst-svc-cmp.out: tst-svc.expect $(objpfx)tst-svc.out
        cmp $^ > $@; \

diff --git a/sysdeps/aarch64/Makefile b/sysdeps/aarch64/Makefile
index 17fb1c5b727dda05b857e9b0a79e4c481e9cc889..6a9559e5f5cba3868f146b1772a217228803e114 100644 (file)
--- a/sysdeps/aarch64/Makefile
+++ b/sysdeps/aarch64/Makefile
@@ -57,6 +57,7 @@ endif
 
 ifeq ($(subdir),math)
 CPPFLAGS += -I../soft-fp
+CFLAGS-feupdateenv.c += $(config-cflags-wno-ignored-attributes)
 endif
 
 ifeq ($(subdir),misc)

diff --git a/sysdeps/arm/Makefile b/sysdeps/arm/Makefile
index da4226c8c8a3fe7c743fa7d1f0eefebbbe60aae2..d5cea717a9c201aa493735d440542f898aba0e64 100644 (file)
--- a/sysdeps/arm/Makefile
+++ b/sysdeps/arm/Makefile
@@ -54,6 +54,10 @@ ifeq ($(subdir),gmon)
 sysdep_routines += arm-mcount
 endif
 
+ifeq ($(subdir),math)
+CFLAGS-feupdateenv.c += $(config-cflags-wno-ignored-attributes)
+endif
+
 ifeq ($(subdir),rt)
 librt-sysdep_routines += rt-aeabi_unwind_cpp_pr1 rt-arm-unwind-resume
 librt-shared-only-routines += rt-aeabi_unwind_cpp_pr1 rt-arm-unwind-resume

diff --git a/sysdeps/wordsize-64/Makefile b/sysdeps/wordsize-64/Makefile
index 2fa934751f04053ddb6528de5007a1f59e05fd2d..db7764f66414e8972864b2933678a59aeb79b5b4 100644 (file)
--- a/sysdeps/wordsize-64/Makefile
+++ b/sysdeps/wordsize-64/Makefile
@@ -1,3 +1,8 @@
 ifeq ($(subdir),misc)
 tests += tst-writev
 endif
+
+# strtol is aliased to stroll
+CFLAGS-strtol.c += -fno-builtin-strtoll $(config-cflags-wno-ignored-attributes)
+# strtoul is aliased to strtoull
+CFLAGS-strtoul.c += -fno-builtin-strtoull $(config-cflags-wno-ignored-attributes)

diff --git a/termios/Makefile b/termios/Makefile
index 54ed9fe51ee8f72f2044532480d5eaadc7e6db16..1490dd17b2866d254c84d24042cd0eb4ae2863f2 100644 (file)
--- a/termios/Makefile
+++ b/termios/Makefile
@@ -31,3 +31,4 @@ routines      := speed cfsetspeed tcsetattr tcgetattr tcgetpgrp tcsetpgrp \
 include ../Rules
 
 CFLAGS-tcdrain.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-tcsetattr.c += $(config-cflags-wno-ignored-attributes)

diff --git a/time/Makefile b/time/Makefile
index 470275b90c3519c96a4d66c3bc4dd7718d7cea32..dc6e2c93ad221126d43ee03d6baa5ea9e1ef215a 100644 (file)
--- a/time/Makefile
+++ b/time/Makefile
@@ -98,6 +98,7 @@ CFLAGS-tzset.c += $(tz-cflags)
 CFLAGS-getdate.c += -fexceptions
 CFLAGS-clock_nanosleep.c += -fexceptions -fasynchronous-unwind-tables
 CFLAGS-nanosleep.c += -fexceptions -fasynchronous-unwind-tables
+CFLAGS-mktime.c += $(config-cflags-wno-ignored-attributes)
 
 # Don't warn about Y2k problem in strftime format string.
 CFLAGS-test_time.c += -Wno-format

diff --git a/wcsmbs/Makefile b/wcsmbs/Makefile
index 4af102a3f6c4fb479b87894e60f7bb943bd8d9c4..aaa067fc69b92d202c304eddcc6b16518fe215db 100644 (file)
--- a/wcsmbs/Makefile
+++ b/wcsmbs/Makefile
@@ -84,24 +84,32 @@ CFLAGS-wcwidth.c += -I../wctype
 CFLAGS-wcswidth.c += -I../wctype
 
 strtox-CFLAGS = -I../include
-CFLAGS-wcstol.c += $(strtox-CFLAGS)
-CFLAGS-wcstoul.c += $(strtox-CFLAGS)
+CFLAGS-wcstol.c += $(strtox-CFLAGS) $(config-cflags-wno-ignored-attributes)
+CFLAGS-wcstoul.c += $(strtox-CFLAGS) $(config-cflags-wno-ignored-attributes)
 CFLAGS-wcstoll.c += $(strtox-CFLAGS)
 CFLAGS-wcstoull.c += $(strtox-CFLAGS)
-CFLAGS-wcstod.c += $(strtox-CFLAGS)
-CFLAGS-wcstold.c += $(strtox-CFLAGS)
+CFLAGS-wcstod.c += $(strtox-CFLAGS) $(config-cflags-wno-ignored-attributes)
+CFLAGS-wcstold.c += $(strtox-CFLAGS) $(config-cflags-wno-ignored-attributes)
 CFLAGS-wcstof128.c += $(strtox-CFLAGS)
-CFLAGS-wcstof.c += $(strtox-CFLAGS)
+CFLAGS-wcstof.c += $(strtox-CFLAGS) $(config-cflags-wno-ignored-attributes)
 CFLAGS-wcstol_l.c += $(strtox-CFLAGS)
 CFLAGS-wcstoul_l.c += $(strtox-CFLAGS)
 CFLAGS-wcstoll_l.c += $(strtox-CFLAGS)
 CFLAGS-wcstoull_l.c += $(strtox-CFLAGS)
-CFLAGS-wcstod_l.c += $(strtox-CFLAGS)
-CFLAGS-wcstold_l.c += $(strtox-CFLAGS)
+CFLAGS-wcstod_l.c += $(strtox-CFLAGS) $(config-cflags-wno-ignored-attributes)
+CFLAGS-wcstold_l.c += $(strtox-CFLAGS) $(config-cflags-wno-ignored-attributes)
 CFLAGS-wcstof128_l.c += $(strtox-CFLAGS)
-CFLAGS-wcstof_l.c += $(strtox-CFLAGS)
+CFLAGS-wcstof_l.c += $(strtox-CFLAGS) $(config-cflags-wno-ignored-attributes)
 CPPFLAGS-tst-wchar-h.c += -D_FORTIFY_SOURCE=2
 
+CFLAGS-wcschr.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-wmemchr.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-wmemset.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-mbrtowc.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-wcrtomb.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-wcstoll.c += $(config-cflags-wno-ignored-attributes)
+CFLAGS-wcstoull.c += $(config-cflags-wno-ignored-attributes)
+
 CFLAGS-isoc99_wscanf.c += -fexceptions
 CFLAGS-isoc99_fwscanf.c += -fexceptions
 CFLAGS-isoc99_vwscanf.c += -fexceptions

diff --git a/wctype/Makefile b/wctype/Makefile
index a3540203cc3eda723de202f628b9af9558086b61..79d9608cb90648761ca1e3ab33a767d64166ab96 100644 (file)
--- a/wctype/Makefile
+++ b/wctype/Makefile
@@ -29,3 +29,5 @@ routines      := wcfuncs wctype iswctype wctrans towctrans \
 tests  := test_wctype test_wcfuncs bug-wctypeh
 
 include ../Rules
+
+CFLAGS-wcfuncs.c += $(config-cflags-wno-ignored-attributes)