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patch 8.2.2852: configure can add --as-needed a second time

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Problem:    Configure can add --as-needed a second time.
Solution:   Only add --as-needed if not already there.  (Natanael Copa,
            closes #8189, closes #8181)
This commit is contained in:
Natanael Copa
2021-05-15 14:25:37 +02:00
committed by Bram Moolenaar
parent 847fe7d750
commit 761ead497f
3 changed files with 8 additions and 2 deletions
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4
src/auto/configure vendored
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@@ -14937,7 +14937,9 @@ $as_echo_n "checking linker --as-needed support... " >&6; }
LINK_AS_NEEDED=
# Check if linker supports --as-needed and --no-as-needed options
if $CC -Wl,--help 2>/dev/null | grep as-needed > /dev/null; then
LDFLAGS=`echo "$LDFLAGS" | sed -e 's/ *-Wl,--as-needed//g' | sed -e 's/$/ -Wl,--as-needed/'`
if ! echo "$LDFLAGS" | grep -q -- '-Wl,[^[:space:]]*--as-needed'; then
LDFLAGS="$LDFLAGS -Wl,--as-needed"
fi
LINK_AS_NEEDED=yes
fi
if test "$LINK_AS_NEEDED" = yes; then