Hi When building with GCC 4.7, attempting to compile pngshim.c results in an internal compiler error. The attached patch fixes compiling FreeType for RISC OS, and this mailing list post ( https://lists.nongnu.org/archive/html/freetype-devel/2017-09/msg00142.html) shows that the same error occurs when building for MIPS Linux as well.
Regards Cameron
From b87a179a24114108597b231bfd7304da86254c97 Mon Sep 17 00:00:00 2001 From: Cameron Cawley <[email protected]> Date: Tue, 17 Sep 2019 20:47:39 +0100 Subject: [PATCH] Fix compilation with GCC 4.7 --- src/sfnt/pngshim.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/src/sfnt/pngshim.c b/src/sfnt/pngshim.c index ca85d9751..e1e3d7141 100644 --- a/src/sfnt/pngshim.c +++ b/src/sfnt/pngshim.c @@ -60,10 +60,11 @@ /* The `vector_size' attribute was introduced in gcc 3.1, which */ /* predates clang; the `__BYTE_ORDER__' preprocessor symbol was */ /* introduced in gcc 4.6 and clang 3.2, respectively. */ - /* `__builtin_shuffle' for gcc was introduced in gcc 4.7.0. */ + /* `__builtin_shuffle' for gcc was introduced in gcc 4.7.0, */ + /* however, this causes an internal compiler error on gcc 4.7. */ #if ( ( defined( __GNUC__ ) && \ ( ( __GNUC__ >= 5 ) || \ - ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 7 ) ) ) ) || \ + ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 8 ) ) ) ) || \ ( defined( __clang__ ) && \ ( ( __clang_major__ >= 4 ) || \ ( ( __clang_major__ == 3 ) && ( __clang_minor__ >= 2 ) ) ) ) ) && \ -- 2.11.0
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