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Support FreeBSD

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This commit fixes issue on cquery's side. Its dependencies loguru and
sparsepp should also be ported to FreeBSD:

* https://github.com/emilk/loguru/pull/46
* sysinfo(2) called by sparsepp https://github.com/greg7mdp/sparsepp/blob/master/sparsepp/spp_memory.h#L32
This commit is contained in:
Fangrui Song 2017-12-17 12:40:21 -08:00
parent 0045e4817c
commit 2fb135e10a
2 changed files with 32 additions and 15 deletions
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33
src/platform_linux.cc → src/platform_posix.cc
View File

@ -1,4 +1,4 @@
#if defined(__linux__) || defined(__APPLE__)
#if defined(__unix__) || defined(__APPLE__)
#include "platform.h"
#include "utils.h"
@ -32,12 +32,12 @@
#include <semaphore.h>
#include <sys/mman.h>
#ifndef __APPLE__
#include <sys/prctl.h>
#endif
#if defined(__linux__)
#if defined(__FreeBSD__)
# include <sys/param.h> // MAXPATHLEN
# include <sys/sysctl.h> // sysctl
#elif defined(__linux__)
# include <malloc.h>
# include <sys/prctl.h>
#endif
namespace {
@ -216,11 +216,7 @@ extern "C" int _NSGetExecutablePath(char* buf,uint32_t* bufsize);
// See https://stackoverflow.com/questions/143174/how-do-i-get-the-directory-that-a-program-is-running-from
std::string GetExecutablePath() {
#ifndef __APPLE__
char buffer[PATH_MAX+1] = {0};
readlink("/proc/self/exe", buffer, PATH_MAX);
return std::string(buffer);
#else
#ifdef __APPLE__
uint32_t size = 0;
_NSGetExecutablePath(nullptr, &size);
char *buffer = new char[size];
@ -228,6 +224,19 @@ std::string GetExecutablePath() {
std::string result(buffer);
delete[] buffer;
return result;
#elif defined(__FreeBSD__)
static const int name[] = {
CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1,
};
char path[MAXPATHLEN];
size_t len = sizeof(path);
path[0] = '\0';
(void)sysctl(name, 4, path, &len, NULL, 0);
return std::string(path);
#else
char buffer[PATH_MAX] = {0};
readlink("/proc/self/exe", buffer, PATH_MAX);
return std::string(buffer);
#endif
}
@ -256,7 +265,7 @@ bool TryMakeDirectory(const std::string& absolute_path) {
void SetCurrentThreadName(const std::string& thread_name) {
loguru::set_thread_name(thread_name.c_str());
#ifndef __APPLE__
#ifdef __linux__
prctl(PR_SET_NAME, thread_name.c_str(), 0, 0, 0);
#endif
}

12
wscript
View File

@ -79,7 +79,7 @@ def options(opt):
grp.add_option('--use-system-clang', dest='use_system_clang', default=False, action='store_true',
help='enable use of clang from the system')
grp.add_option('--bundled-clang', dest='bundled_clang', default='4.0.0',
help='bundled clang version, downloaded from http://releases.llvm.org/ , e.g. 4.0.0 5.0.0')
help='bundled clang version, downloaded from https://releases.llvm.org/ , e.g. 4.0.0 5.0.0')
grp.add_option('--llvm-config', dest='llvm_config', default='llvm-config',
help='specify path to llvm-config for automatic configuration [default: %default]')
grp.add_option('--clang-prefix', dest='clang_prefix', default='',
@ -178,6 +178,8 @@ def configure(ctx):
CLANG_TARBALL_EXT = '.tar.xz'
if sys.platform == 'darwin':
CLANG_TARBALL_NAME = 'clang+llvm-$version-x86_64-apple-darwin'
elif sys.platform.startswith('freebsd'):
CLANG_TARBALL_NAME = 'clang+llvm-$version-amd64-unknown-freebsd10'
elif sys.platform.startswith('linux'):
# These executable depend on libtinfo.so.5
CLANG_TARBALL_NAME = 'clang+llvm-$version-x86_64-linux-gnu-ubuntu-14.04'
@ -185,7 +187,7 @@ def configure(ctx):
CLANG_TARBALL_NAME = 'LLVM-$version-win64'
CLANG_TARBALL_EXT = '.exe'
else:
sys.stderr.write('ERROR: Unknown platform {0}\n'.format(sys.platform))
sys.stderr.write('ERROR: releases.llvm.org does not provide pre-built binaries for your platform {0}\n'.format(sys.platform))
sys.exit(1)
CLANG_TARBALL_NAME = string.Template(CLANG_TARBALL_NAME).substitute(version=ctx.options.bundled_clang)
@ -227,6 +229,12 @@ def build(bld):
lib.append('rt')
lib.append('pthread')
lib.append('dl')
elif sys.platform.startswith('freebsd'):
# loguru::stacktrace_as_stdstring calls backtrace_symbols
lib.append('execinfo')
lib.append('pthread')
lib.append('thr')
elif sys.platform == 'darwin':
lib.append('pthread')