From 4a2b2ee1c14bfe05abe58cf5d414e527191b50fe Mon Sep 17 00:00:00 2001 From: Sergei Trofimovich Date: Sun, 23 Jun 2019 21:50:54 +0100 Subject: [PATCH v2 2/2] scripts/gen_symbol_header.awk: undefine libc symbol aliases Avoid libc's symbol rename via #define. musl defines aliases as: #define mkstemp64 mkstemp #define mkstemps64 mkstemps This causes libsandbox's aliases to clash with one another, like mkstemp and mkstemp64. The change does not break glibc and restores musl support. Signed-off-by: Sergei Trofimovich --- scripts/gen_symbol_header.awk | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/scripts/gen_symbol_header.awk b/scripts/gen_symbol_header.awk index c9af7f9..3f23134 100644 --- a/scripts/gen_symbol_header.awk +++ b/scripts/gen_symbol_header.awk @@ -117,6 +117,10 @@ END { gsub(/@|\./, "_", sym_real_name); } + # Avoid libc's symbol rename via #define. musl defines aliases as: + # #define mkstemp64 mkstemp + # #define mkstemps64 mkstemps + printf("#undef %s\n", sym_index); printf("#define symname_%s \"%s\"\n", sym_real_name, sym_index); # We handle non-versioned libc's by setting symver_* -- 2.22.0