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authorAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-03-11 10:40:44 -0300
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2022-11-01 09:51:06 -0300
commit8d98c7c00f3f06545de9e5ce5cf778d2ab2450a4 (patch)
tree9fe2d950df8424164112464dfbb5ec906b279757 /libio/Makefile
parent5c5a8b99cf96b71940e36a9db66d3a61bc315016 (diff)
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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>
Diffstat (limited to 'libio/Makefile')
-rw-r--r--libio/Makefile14
1 files changed, 11 insertions, 3 deletions
diff --git a/libio/Makefile b/libio/Makefile
index 3a02611020..64398ab1ee 100644
--- 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)\"