diff options
| author | Daniel Stenberg <daniel@haxx.se> | 2020-03-10 14:37:43 +0100 |
|---|---|---|
| committer | Daniel Stenberg <daniel@haxx.se> | 2020-03-10 14:39:26 +0100 |
| commit | 10dbaf87800e7d231db4e0b59b185947f7b5c72c (patch) | |
| tree | cf4874914e13b73c2699f6cf39c9412fe2ed63b2 | |
| parent | f11b2cb62b6265b07ecc52d416c0f4e3a2170753 (diff) | |
| download | curl-bagder/gcc-compiler_num.tar.gz | |
configure: document 'compiler_num' for gccbagder/gcc-compiler_num
The CURL_CHECK_COMPILER_GNU_C function sets the number to MAJOR*100 +
MINOR and ignores the patch version, and since gcc version 7 it only
sets it to MAJOR*100.
Reported-by: Stepan Efremov
Ref: #5067
| -rw-r--r-- | m4/curl-compilers.m4 | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/m4/curl-compilers.m4 b/m4/curl-compilers.m4 index c64db4bc6..79460b6d2 100644 --- a/m4/curl-compilers.m4 +++ b/m4/curl-compilers.m4 @@ -5,7 +5,7 @@ # | (__| |_| | _ <| |___ # \___|\___/|_| \_\_____| # -# Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al. +# Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al. # # This software is licensed as described in the file COPYING, which # you should have received as part of this distribution. The terms @@ -151,8 +151,17 @@ AC_DEFUN([CURL_CHECK_COMPILER_DEC_C], [ dnl CURL_CHECK_COMPILER_GNU_C dnl ------------------------------------------------- -dnl Verify if compiler being used is GNU C. - +dnl Verify if compiler being used is GNU C +dnl +dnl $compiler_num will be set to MAJOR * 100 + MINOR for gcc less than version +dnl 7 and just $MAJOR * 100 for gcc version 7 and later. +dnl +dnl Examples: +dnl Version 1.2.3 => 102 +dnl Version 2.95 => 295 +dnl Version 4.7 => 407 +dnl Version 9.2.1 => 900 +dnl AC_DEFUN([CURL_CHECK_COMPILER_GNU_C], [ AC_REQUIRE([CURL_CHECK_COMPILER_INTEL_C])dnl AC_REQUIRE([CURL_CHECK_COMPILER_CLANG])dnl |