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configure: Only try to use the -no_warn_duplicate_libraries flag on Darwin
While we only add the flag if the linker seems to support it, it turns out that ld.bfd had a bug where the flag is accidentally accepted, and the flag produces an output file named "_warn_duplicate_libraries". The ld.bfd bug was fixed in binutils 2.36, in https://sourceware.org/git/?p=binutils-gdb.git;a=commitdiff;h=3991c7acb29aa8d7d52150695eb3efa03a08dd50. Signed-off-by: Martin Storsjö <martin@martin.st> (cherry picked from commit 38d08f5c451a312d9064b81472fa05ff53b2e780)
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configure
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@ -6448,7 +6448,9 @@ check_cc intrinsics_neon arm_neon.h "int16x8_t test = vdupq_n_s16(0)"
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check_ldflags -Wl,--as-needed
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check_ldflags -Wl,-z,noexecstack
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check_ldflags -Wl,-no_warn_duplicate_libraries
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if [ $target_os = "darwin" ]; then
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check_ldflags -Wl,-no_warn_duplicate_libraries
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fi
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if ! disabled network; then
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check_func getaddrinfo $network_extralibs
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