The AX_CHECK_COMPILE_FLAG macro is available in most distributions in the autoconf-archive package, but unfortunately when missing that package the error is imp
execv
nsstatusitem
ws-discovery
opencpu
aws-deeplens
cryptsharp
pytest-markers
nested-queries
text-compression
winston-elasticsearch
haskell-ffi
magento-layout-xml
push-back
executiontimeout
pbr
radialgradientbrush
application-settings
facebook-apps
winsockets
doh
toplevel
ckeditor4
github-organizations">github-organizations
productivity-power-tools
jwplayer
xcode-ui-testing
aiopg
notification-trampoline
antlr2
sicstus-prolog