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bugreport: add compiler info

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To help pinpoint the source of a regression, it is useful to know some
info about the compiler which the user's Git client was built with. By
adding a generic get_compiler_info() in 'compat/' we can choose which
relevant information to share per compiler; to get started, let's
demonstrate the version of glibc if the user built with 'gcc'.

Signed-off-by: Emily Shaffer <emilyshaffer@google.com>
Helped-by: Đoàn Trần Công Danh <congdanhqx@gmail.com>
Helped-by: Johannes Schindelin <Johannes.Schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Emily Shaffer 2020-04-16 14:18:07 -07:00 committed by Junio C Hamano
parent 1411914a1c
commit 69bcbbceb7
3 changed files with 48 additions and 0 deletions
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1
Documentation/git-bugreport.txt
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@ -27,6 +27,7 @@ The following information is captured automatically:
- 'git version --build-options'
- uname sysname, release, version, and machine strings
- Compiler-specific info string
This tool is invoked via the typical Git setup process, which means that in some
cases, it might not be able to launch - for example, if a relevant config file

6
bugreport.c
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@ -4,6 +4,7 @@
#include "strbuf.h"
#include "time.h"
#include "help.h"
#include "compat/compiler.h"
static void get_system_info(struct strbuf *sys_info)
{
@ -25,6 +26,11 @@ static void get_system_info(struct strbuf *sys_info)
uname_info.release,
uname_info.version,
uname_info.machine);
strbuf_addstr(sys_info, _("compiler info: "));
get_compiler_info(sys_info);
strbuf_addstr(sys_info, _("libc info: "));
get_libc_info(sys_info);
}
static const char * const bugreport_usage[] = {

41
compat/compiler.h Normal file
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@ -0,0 +1,41 @@
#ifndef COMPILER_H
#define COMPILER_H
#include "git-compat-util.h"
#include "strbuf.h"
#ifdef __GLIBC__
#include <gnu/libc-version.h>
#endif
static inline void get_compiler_info(struct strbuf *info)
{
int len = info->len;
#ifdef __clang__
strbuf_addf(info, "clang: %s\n", __clang_version__);
#elif defined(__GNUC__)
strbuf_addf(info, "gnuc: %d.%d\n", __GNUC__, __GNUC_MINOR__);
#endif
#ifdef _MSC_VER
strbuf_addf(info, "MSVC version: %02d.%02d.%05d\n",
_MSC_VER / 100, _MSC_VER % 100, _MSC_FULL_VER % 100000);
#endif
if (len == info->len)
strbuf_addstr(info, _("no compiler information available\n"));
}
static inline void get_libc_info(struct strbuf *info)
{
int len = info->len;
#ifdef __GLIBC__
strbuf_addf(info, "glibc: %s\n", gnu_get_libc_version());
#endif
if (len == info->len)
strbuf_addstr(info, _("no libc information available\n"));
}
#endif /* COMPILER_H */