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fail configure on --enable-shared if -Bsymbolic-functions doesn't work

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previously, a warning was issued in this case no matter what, even if
--disable-shared was used. now, the default for --enable-shared is
changed from "yes" to "auto", and the warning is issued by default,
but becomes an error if --enable-shared is used, and the test is
suppressed completely if --disable-shared is used.
This commit is contained in:
Rich Felker 2014-06-10 12:11:12 -04:00
parent ac31bf278d
commit d79b27785f
1 changed files with 4 additions and 1 deletions

5
configure vendored

@ -123,7 +123,7 @@ target=
optimize=auto optimize=auto
debug=no debug=no
warnings=no warnings=no
shared=yes shared=auto
static=yes static=yes
wrapper=auto wrapper=auto
@ -412,12 +412,15 @@ fi
tryflag CFLAGS_AUTO -fno-stack-protector tryflag CFLAGS_AUTO -fno-stack-protector
tryldflag LDFLAGS_AUTO -Wl,--hash-style=both tryldflag LDFLAGS_AUTO -Wl,--hash-style=both
test "$shared" = "no" || {
# Disable dynamic linking if ld is broken and can't do -Bsymbolic-functions # Disable dynamic linking if ld is broken and can't do -Bsymbolic-functions
LDFLAGS_DUMMY= LDFLAGS_DUMMY=
tryldflag LDFLAGS_DUMMY -Wl,-Bsymbolic-functions || { tryldflag LDFLAGS_DUMMY -Wl,-Bsymbolic-functions || {
test "$shared" = "yes" && fail "$0: error: linker cannot build shared library"
printf "warning: disabling dynamic linking support\n" printf "warning: disabling dynamic linking support\n"
shared=no shared=no
} }
}
# Find compiler runtime library # Find compiler runtime library
test -z "$LIBCC" && tryldflag LIBCC -lgcc && tryldflag LIBCC -lgcc_eh test -z "$LIBCC" && tryldflag LIBCC -lgcc && tryldflag LIBCC -lgcc_eh