From: Maarten ter Huurne Date: Fri, 12 Sep 2014 02:07:29 +0000 (+0200) Subject: musl: Add post-1.1.4 commit to provide max_align_t X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=7fd01ef814e1b739e20b62b4dd3b0653aafd3c97;p=buildroot.git musl: Add post-1.1.4 commit to provide max_align_t Without this, including libstdc++'s fails. Signed-off-by: Maarten ter Huurne Signed-off-by: Thomas Petazzoni --- diff --git a/package/musl/musl-0001-add-max_align_t.patch b/package/musl/musl-0001-add-max_align_t.patch new file mode 100644 index 0000000000..642333706c --- /dev/null +++ b/package/musl/musl-0001-add-max_align_t.patch @@ -0,0 +1,153 @@ +From 321f4fa9067185aa6bb47403dfba46e8cfe917d3 Mon Sep 17 00:00:00 2001 +From: Rich Felker +Date: Wed, 20 Aug 2014 21:20:14 +0000 +Subject: add max_align_t definition for C11 and C++11 + +unfortunately this needs to be able to vary by arch, because of a huge +mess GCC made: the GCC definition, which became the ABI, depends on +quirks in GCC's definition of __alignof__, which does not match the +formal alignment of the type. + +GCC's __alignof__ unexpectedly exposes the an implementation detail, +its "preferred alignment" for the type, rather than the formal/ABI +alignment of the type, which it only actually uses in structures. on +most archs the two values are the same, but on some (at least i386) +the preferred alignment is greater than the ABI alignment. + +I considered using _Alignas(8) unconditionally, but on at least one +arch (or1k), the alignment of max_align_t with GCC's definition is +only 4 (even the "preferred alignment" for these types is only 4). +--- +diff --git a/arch/arm/bits/alltypes.h.in b/arch/arm/bits/alltypes.h.in +index 0d750cc..183c4c4 100644 +--- a/arch/arm/bits/alltypes.h.in ++++ b/arch/arm/bits/alltypes.h.in +@@ -13,6 +13,8 @@ TYPEDEF unsigned wint_t; + TYPEDEF float float_t; + TYPEDEF double double_t; + ++TYPEDEF struct { long long __ll; long double __ld; } max_align_t; ++ + TYPEDEF long time_t; + TYPEDEF long suseconds_t; + +diff --git a/arch/i386/bits/alltypes.h.in b/arch/i386/bits/alltypes.h.in +index 502c882..8ba8f6f 100644 +--- a/arch/i386/bits/alltypes.h.in ++++ b/arch/i386/bits/alltypes.h.in +@@ -27,6 +27,8 @@ TYPEDEF long double float_t; + TYPEDEF long double double_t; + #endif + ++TYPEDEF struct { _Alignas(8) long long __ll; long double __ld; } max_align_t; ++ + TYPEDEF long time_t; + TYPEDEF long suseconds_t; + +diff --git a/arch/microblaze/bits/alltypes.h.in b/arch/microblaze/bits/alltypes.h.in +index 4657d14..a03e1b8 100644 +--- a/arch/microblaze/bits/alltypes.h.in ++++ b/arch/microblaze/bits/alltypes.h.in +@@ -13,6 +13,8 @@ TYPEDEF unsigned wint_t; + TYPEDEF float float_t; + TYPEDEF double double_t; + ++TYPEDEF struct { long long __ll; long double __ld; } max_align_t; ++ + TYPEDEF long time_t; + TYPEDEF long suseconds_t; + +diff --git a/arch/mips/bits/alltypes.h.in b/arch/mips/bits/alltypes.h.in +index 4657d14..a03e1b8 100644 +--- a/arch/mips/bits/alltypes.h.in ++++ b/arch/mips/bits/alltypes.h.in +@@ -13,6 +13,8 @@ TYPEDEF unsigned wint_t; + TYPEDEF float float_t; + TYPEDEF double double_t; + ++TYPEDEF struct { long long __ll; long double __ld; } max_align_t; ++ + TYPEDEF long time_t; + TYPEDEF long suseconds_t; + +diff --git a/arch/or1k/bits/alltypes.h.in b/arch/or1k/bits/alltypes.h.in +index 0d750cc..183c4c4 100644 +--- a/arch/or1k/bits/alltypes.h.in ++++ b/arch/or1k/bits/alltypes.h.in +@@ -13,6 +13,8 @@ TYPEDEF unsigned wint_t; + TYPEDEF float float_t; + TYPEDEF double double_t; + ++TYPEDEF struct { long long __ll; long double __ld; } max_align_t; ++ + TYPEDEF long time_t; + TYPEDEF long suseconds_t; + +diff --git a/arch/powerpc/bits/alltypes.h.in b/arch/powerpc/bits/alltypes.h.in +index 378124c..ee7f137 100644 +--- a/arch/powerpc/bits/alltypes.h.in ++++ b/arch/powerpc/bits/alltypes.h.in +@@ -13,6 +13,8 @@ TYPEDEF unsigned wint_t; + TYPEDEF float float_t; + TYPEDEF double double_t; + ++TYPEDEF struct { long long __ll; long double __ld; } max_align_t; ++ + TYPEDEF long time_t; + TYPEDEF long suseconds_t; + +diff --git a/arch/sh/bits/alltypes.h.in b/arch/sh/bits/alltypes.h.in +index 378124c..ee7f137 100644 +--- a/arch/sh/bits/alltypes.h.in ++++ b/arch/sh/bits/alltypes.h.in +@@ -13,6 +13,8 @@ TYPEDEF unsigned wint_t; + TYPEDEF float float_t; + TYPEDEF double double_t; + ++TYPEDEF struct { long long __ll; long double __ld; } max_align_t; ++ + TYPEDEF long time_t; + TYPEDEF long suseconds_t; + +diff --git a/arch/x32/bits/alltypes.h.in b/arch/x32/bits/alltypes.h.in +index 8930efa..8e396c9 100644 +--- a/arch/x32/bits/alltypes.h.in ++++ b/arch/x32/bits/alltypes.h.in +@@ -18,6 +18,8 @@ TYPEDEF float float_t; + TYPEDEF double double_t; + #endif + ++TYPEDEF struct { long long __ll; long double __ld; } max_align_t; ++ + TYPEDEF long long time_t; + TYPEDEF long long suseconds_t; + +diff --git a/arch/x86_64/bits/alltypes.h.in b/arch/x86_64/bits/alltypes.h.in +index 34b7d6a..7b4f3e7 100644 +--- a/arch/x86_64/bits/alltypes.h.in ++++ b/arch/x86_64/bits/alltypes.h.in +@@ -18,6 +18,8 @@ TYPEDEF float float_t; + TYPEDEF double double_t; + #endif + ++TYPEDEF struct { long long __ll; long double __ld; } max_align_t; ++ + TYPEDEF long time_t; + TYPEDEF long suseconds_t; + +diff --git a/include/stddef.h b/include/stddef.h +index 0a32919..bd75385 100644 +--- a/include/stddef.h ++++ b/include/stddef.h +@@ -10,6 +10,9 @@ + #define __NEED_ptrdiff_t + #define __NEED_size_t + #define __NEED_wchar_t ++#if __STDC_VERSION__ >= 201112L || __cplusplus >= 201103L ++#define __NEED_max_align_t ++#endif + + #include + +-- +cgit v0.9.0.3-65-g4555