aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorLasse Collin <lasse.collin@tukaani.org>2023-09-26 21:47:13 +0300
committerLasse Collin <lasse.collin@tukaani.org>2023-09-26 21:47:13 +0300
commit5a9af95f85a7e5d4f9c10cb8cf737651a921f1d1 (patch)
tree8e020b1147c02357e0c0a8ea4774ec6e77960e7f
parentliblzma: Avoid compiler warning without creating extra symbol. (diff)
downloadxz-5a9af95f85a7e5d4f9c10cb8cf737651a921f1d1.tar.xz
liblzma: Update a comment.
The C standards don't allow an empty translation unit which can be avoided by declaring something, without exporting any symbols. When I committed f644473a211394447824ea00518d0a214ff3f7f2 I had a feeling that some specific toolchain somewhere didn't like empty object files (assembler or maybe "ar" complained) but I cannot find anything to confirm this now. Quite likely I remembered nonsense. I leave this here as a note to my future self. :-)
Diffstat (limited to '')
-rw-r--r--src/liblzma/check/crc64_table.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/liblzma/check/crc64_table.c b/src/liblzma/check/crc64_table.c
index 6f9adb04..688e527b 100644
--- a/src/liblzma/check/crc64_table.c
+++ b/src/liblzma/check/crc64_table.c
@@ -18,8 +18,7 @@
#if (defined(__x86_64__) && defined(__SSSE3__) \
&& defined(__SSE4_1__) && defined(__PCLMUL__)) \
|| (defined(__e2k__) && __iset__ >= 6)
-// No table needed but something has to be exported to keep some toolchains
-// happy. Also use a declaration to silence compiler warnings.
+// No table needed. Use a typedef to avoid an empty translation unit.
typedef void lzma_crc64_dummy;
#else