diff options
Diffstat (limited to 'main/llvm5/dynamiclibrary-fix-build-musl.patch')
| -rw-r--r-- | main/llvm5/dynamiclibrary-fix-build-musl.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/main/llvm5/dynamiclibrary-fix-build-musl.patch b/main/llvm5/dynamiclibrary-fix-build-musl.patch new file mode 100644 index 0000000000..a9bbe168e9 --- /dev/null +++ b/main/llvm5/dynamiclibrary-fix-build-musl.patch @@ -0,0 +1,40 @@ +From ae8900a8833835309aecb0a3d947c2ae46fd86c3 Mon Sep 17 00:00:00 2001 +From: Keno Fischer <keno@alumni.harvard.edu> +Date: Thu, 26 Oct 2017 16:44:13 +0000 +Subject: [PATCH] [DynamicLibrary] Fix build on musl libc + +Summary: +On musl libc, stdin/out/err are defined as `FILE* const` globals, +and their address is not implicitly convertible to void *, +or at least gcc 6 doesn't allow it, giving errors like: + +``` +error: cannot initialize return object of type 'void *' with an rvalue of type 'FILE *const *' (aka '_IO_FILE *const *') + EXPLICIT_SYMBOL(stderr); + ^~~~~~~~~~~~~~~~~~~~~~~ +``` + +Add an explicit cast to fix that problem. + +Reviewers: marsupial, krytarowski, dim +Reviewed By: dim +Differential Revision: https://reviews.llvm.org/D39297 + +git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@316672 91177308-0d34-0410-b5e6-96231b3b80d8 +--- + lib/Support/Unix/DynamicLibrary.inc | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/lib/Support/Unix/DynamicLibrary.inc b/lib/Support/Unix/DynamicLibrary.inc +index f05103ccd1e..029451f347e 100644 +--- a/lib/Support/Unix/DynamicLibrary.inc ++++ b/lib/Support/Unix/DynamicLibrary.inc +@@ -71,7 +71,7 @@ void *DynamicLibrary::HandleSet::DLSym(void *Handle, const char *Symbol) { + // Must declare the symbols in the global namespace. + static void *DoSearch(const char* SymbolName) { + #define EXPLICIT_SYMBOL(SYM) \ +- extern void *SYM; if (!strcmp(SymbolName, #SYM)) return &SYM ++ extern void *SYM; if (!strcmp(SymbolName, #SYM)) return (void*)&SYM + + // If this is darwin, it has some funky issues, try to solve them here. Some + // important symbols are marked 'private external' which doesn't allow |