svn commit: r510083 - in head/devel/abseil: . files
Piotr Kubaj
pkubaj at FreeBSD.org
Wed Aug 28 17:15:46 UTC 2019
Author: pkubaj
Date: Wed Aug 28 17:15:45 2019
New Revision: 510083
URL: https://svnweb.freebsd.org/changeset/ports/510083
Log:
devel/abseil: fix build on powerpc*
Implement logic for querying TBR and TBR frequency to fix build.
PR: 239423
Approved by: danfe (maintainer), tcberner (mentor)
Differential Revision: https://reviews.freebsd.org/D21430
Added:
head/devel/abseil/files/
head/devel/abseil/files/patch-absl_base_internal_unscaledcycleclock.cc (contents, props changed)
Modified:
head/devel/abseil/Makefile
Modified: head/devel/abseil/Makefile
==============================================================================
--- head/devel/abseil/Makefile Wed Aug 28 17:07:37 2019 (r510082)
+++ head/devel/abseil/Makefile Wed Aug 28 17:15:45 2019 (r510083)
@@ -11,8 +11,6 @@ COMMENT= Abseil Common Libraries (C++)
LICENSE= APACHE20
-BROKEN_powerpc= fatal error: sys/platform/ppc.h: No such file or directory
-
USES= cmake compiler:c++11-lang
USE_GITHUB= yes
GH_PROJECT= ${PORTNAME}-cpp
Added: head/devel/abseil/files/patch-absl_base_internal_unscaledcycleclock.cc
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ head/devel/abseil/files/patch-absl_base_internal_unscaledcycleclock.cc Wed Aug 28 17:15:45 2019 (r510083)
@@ -0,0 +1,54 @@
+--- absl/base/internal/unscaledcycleclock.cc.orig 2019-07-24 12:47:23 UTC
++++ absl/base/internal/unscaledcycleclock.cc
+@@ -20,10 +20,15 @@
+ #include <intrin.h>
+ #endif
+
+-#if defined(__powerpc__) || defined(__ppc__)
++#if (defined(__powerpc__) || defined(__ppc__)) && !defined(__FreeBSD__)
+ #include <sys/platform/ppc.h>
+ #endif
+
++#ifdef __FreeBSD__
++#include <sys/types.h>
++#include <sys/sysctl.h>
++#endif
++
+ #include "absl/base/internal/sysinfo.h"
+
+ namespace absl {
+@@ -56,11 +61,34 @@ double UnscaledCycleClock::Frequency() {
+ #elif defined(__powerpc__) || defined(__ppc__)
+
+ int64_t UnscaledCycleClock::Now() {
++#ifndef __FreeBSD__
+ return __ppc_get_timebase();
++#else
++ union { long long complete; unsigned int part[2]; } ticks;
++ unsigned int tmp;
++ asm volatile(
++ "0:\n"
++ "mftbu %[hi32]\n"
++ "mftb %[lo32]\n"
++ "mftbu %[tmp]\n"
++ "cmpw %[tmp],%[hi32]\n"
++ "bne 0b\n"
++ : [hi32] "=r"(ticks.part[0]), [lo32] "=r"(ticks.part[1]),
++ [tmp] "=r"(tmp)
++ );
++ return ticks.complete;
++#endif
+ }
+
+ double UnscaledCycleClock::Frequency() {
++#ifndef __FreeBSD__
+ return __ppc_get_timebase_freq();
++#else
++ long timebaseFrequency = 0;
++ size_t length = sizeof(timebaseFrequency);
++ sysctlbyname("kern.timecounter.tc.timebase.frequency", &timebaseFrequency, &length, NULL, 0);
++ return timebaseFrequency;
++#endif
+ }
+
+ #elif defined(__aarch64__)
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