diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/configure.ac b/configure.ac index d8e80d3f46..a2f425ce93 100644 --- a/configure.ac +++ b/configure.ac @@ -78,8 +78,18 @@ AC_ARG_WITH([seccomp], [seccomp_found=$withval], [seccomp_found=auto]) +AC_ARG_ENABLE([c++20], + [AS_HELP_STRING([--enable-c++20], + [enable compilation in c++20 mode (disabled by default)])], + [use_cxx20=$enableval], + [use_cxx20=no]) + dnl Require C++17 compiler (no GNU extensions) +if test "$use_cxx20" = "no"; then AX_CXX_COMPILE_STDCXX([17], [noext], [mandatory]) +else +AX_CXX_COMPILE_STDCXX([20], [noext], [mandatory]) +fi dnl Check if -latomic is required for <std::atomic> CHECK_ATOMIC @@ -96,10 +106,8 @@ fi AC_PROG_OBJCXX ]) -dnl Since libtool 1.5.2 (released 2004-01-25), on Linux libtool no longer -dnl sets RPATH for any directories in the dynamic linker search path. -dnl See more: https://wiki.debian.org/RpathIssue -LT_PREREQ([1.5.2]) +dnl OpenBSD ships with 2.4.2 +LT_PREREQ([2.4.2]) dnl Libtool init checks. LT_INIT([pic-only win32-dll]) @@ -1266,7 +1274,7 @@ dnl Do not change "-I/usr/include" to "-isystem /usr/include" because that dnl is not necessary (/usr/include is already a system directory) and because dnl it would break GCC's #include_next. AC_DEFUN([SUPPRESS_WARNINGS], - [$(echo $1 |${SED} -E -e 's/(^| )-I/\1-isystem /g' -e 's;-isystem /usr/include([/ ]|$);-I/usr/include\1;g')]) + [[$(echo $1 |${SED} -E -e 's/(^| )-I/\1-isystem /g' -e 's;-isystem /usr/include/*( |$);-I/usr/include\1;g')]]) dnl enable-fuzz should disable all other targets if test "$enable_fuzz" = "yes"; then |