diff options
| author | MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz> | 2023-05-15 15:03:30 +0200 |
|---|---|---|
| committer | MarcoFalke <*~=`'#}+{/-|&$^_@721217.xyz> | 2023-05-18 12:24:40 +0200 |
| commit | fa953f15bfcf95df9aa9c91e1c4b56a205f4d1ae (patch) | |
| tree | 2a7d8d9e87ebdebf95c81c296b5858fe7436109e /build-aux | |
| parent | fa69955e741dd60dc6160e81cf223bbecd286806 (diff) | |
build: Bump minimum supported GCC to g++-9
Also, update the code to use constexpr, which does not work in g++-8.
Also, drop the no longer needed build-aux/m4/l_filesystem.m4.
Diffstat (limited to 'build-aux')
| -rw-r--r-- | build-aux/m4/l_filesystem.m4 | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/build-aux/m4/l_filesystem.m4 b/build-aux/m4/l_filesystem.m4 deleted file mode 100644 index 7e577f7ae5..0000000000 --- a/build-aux/m4/l_filesystem.m4 +++ /dev/null @@ -1,38 +0,0 @@ -dnl Copyright (c) 2022 The Bitcoin Core developers -dnl Distributed under the MIT software license, see the accompanying -dnl file COPYING or http://www.opensource.org/licenses/mit-license.php. - -# GCC 8.1 and earlier requires -lstdc++fs - -m4_define([_CHECK_FILESYSTEM_testbody], [[ - #include <filesystem> - - namespace fs = std::filesystem; - - int main() { - (void)fs::current_path().root_name(); - return 0; - } -]]) - -AC_DEFUN([CHECK_FILESYSTEM], [ - - AC_LANG_PUSH(C++) - - AC_MSG_CHECKING([whether std::filesystem can be used without link library]) - - AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_FILESYSTEM_testbody])],[ - AC_MSG_RESULT([yes]) - ],[ - AC_MSG_RESULT([no]) - LIBS="$LIBS -lstdc++fs" - AC_MSG_CHECKING([whether std::filesystem needs -lstdc++fs]) - AC_LINK_IFELSE([AC_LANG_SOURCE([_CHECK_FILESYSTEM_testbody])],[ - AC_MSG_RESULT([yes]) - ],[ - AC_MSG_FAILURE([cannot figure out how to use std::filesystem]) - ]) - ]) - - AC_LANG_POP -]) |