[Buildroot] [git commit] package/libabseil-cpp: fix build on RISC-V 32-bits
Yann E. MORIN
yann.morin.1998 at free.fr
Sun Aug 9 16:55:20 UTC 2020
commit: https://git.buildroot.net/buildroot/commit/?id=f1455b56ebe721dfea562a4bb159d848f93db679
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master
This commit backports an upstream patch that fixes the build on RISC-V
32-bits.
Fixes:
http://autobuild.buildroot.net/results/c6c2c99bdba8c840d52fe0464d26aca169ea1d90/
Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998 at free.fr>
---
.../0003-Fix-build-on-riscv32-675.patch | 77 ++++++++++++++++++++++
1 file changed, 77 insertions(+)
diff --git a/package/libabseil-cpp/0003-Fix-build-on-riscv32-675.patch b/package/libabseil-cpp/0003-Fix-build-on-riscv32-675.patch
new file mode 100644
index 0000000000..0077c5fe9b
--- /dev/null
+++ b/package/libabseil-cpp/0003-Fix-build-on-riscv32-675.patch
@@ -0,0 +1,77 @@
+From 3f347c46272886a099852a4cd303ecf37a054de8 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem at gmail.com>
+Date: Mon, 18 May 2020 10:23:50 -0700
+Subject: [PATCH] Fix build on riscv32 (#675)
+
+[Backport from upstream commit 3f347c46272886a099852a4cd303ecf37a054de8]
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
+---
+ absl/base/internal/direct_mmap.h | 5 +++++
+ absl/base/internal/spinlock_linux.inc | 8 ++++++++
+ absl/synchronization/internal/waiter.cc | 8 ++++++++
+ 3 files changed, 21 insertions(+)
+
+diff --git a/absl/base/internal/direct_mmap.h b/absl/base/internal/direct_mmap.h
+index 5618867..16accf0 100644
+--- a/absl/base/internal/direct_mmap.h
++++ b/absl/base/internal/direct_mmap.h
+@@ -61,6 +61,10 @@ extern "C" void* __mmap2(void*, size_t, int, int, int, size_t);
+ #endif
+ #endif // __BIONIC__
+
++#if defined(__NR_mmap2) && !defined(SYS_mmap2)
++#define SYS_mmap2 __NR_mmap2
++#endif
++
+ namespace absl {
+ ABSL_NAMESPACE_BEGIN
+ namespace base_internal {
+@@ -72,6 +76,7 @@ inline void* DirectMmap(void* start, size_t length, int prot, int flags, int fd,
+ #if defined(__i386__) || defined(__ARM_ARCH_3__) || defined(__ARM_EABI__) || \
+ (defined(__mips__) && _MIPS_SIM == _MIPS_SIM_ABI32) || \
+ (defined(__PPC__) && !defined(__PPC64__)) || \
++ (defined(__riscv) && __riscv_xlen == 32) || \
+ (defined(__s390__) && !defined(__s390x__))
+ // On these architectures, implement mmap with mmap2.
+ static int pagesize = 0;
+diff --git a/absl/base/internal/spinlock_linux.inc b/absl/base/internal/spinlock_linux.inc
+index 323edd6..e31c6ed 100644
+--- a/absl/base/internal/spinlock_linux.inc
++++ b/absl/base/internal/spinlock_linux.inc
+@@ -46,6 +46,14 @@ static_assert(sizeof(std::atomic<uint32_t>) == sizeof(int),
+ #endif
+ #endif
+
++#if defined(__NR_futex_time64) && !defined(SYS_futex_time64)
++#define SYS_futex_time64 __NR_futex_time64
++#endif
++
++#if defined(SYS_futex_time64) && !defined(SYS_futex)
++#define SYS_futex SYS_futex_time64
++#endif
++
+ extern "C" {
+
+ ABSL_ATTRIBUTE_WEAK void AbslInternalSpinLockDelay(
+diff --git a/absl/synchronization/internal/waiter.cc b/absl/synchronization/internal/waiter.cc
+index 2949f5a..b6150b9 100644
+--- a/absl/synchronization/internal/waiter.cc
++++ b/absl/synchronization/internal/waiter.cc
+@@ -86,6 +86,14 @@ static void MaybeBecomeIdle() {
+ #endif
+ #endif
+
++#if defined(__NR_futex_time64) && !defined(SYS_futex_time64)
++#define SYS_futex_time64 __NR_futex_time64
++#endif
++
++#if defined(SYS_futex_time64) && !defined(SYS_futex)
++#define SYS_futex SYS_futex_time64
++#endif
++
+ class Futex {
+ public:
+ static int WaitUntil(std::atomic<int32_t> *v, int32_t val,
+--
+2.26.2
+
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