configure: Use generic CXX compiler macro
This uses the AX_CXX_COMPILE_STDCXX() instead of
AX_CXX_COMPILE_STDCXX_1{4,7}() so that the error messages we generate
make slightly more sense.
We get errors like:
configure.ac:24: error: invalid first argument `20' to
AX_CXX_COMPILE_STDCXX
Instead of:
./configure: line 5132: syntax error near unexpected token `noext'
./configure: line 5132: `AX_CXX_COMPILE_STDCXX_20(noext)'
Change-Id: I05512c977b8b3215a02b5d4dc6dba30ac2b83728
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/configure.ac b/configure.ac
index b48942b..c5cd6e7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,7 @@
)
# Checks for typedefs, structures, and compiler characteristics.
-AX_CXX_COMPILE_STDCXX_17([noext])
+AX_CXX_COMPILE_STDCXX([17], [noext], [mandatory])
AX_APPEND_COMPILE_FLAGS([-Wall -Werror], [CFLAGS])
AX_APPEND_COMPILE_FLAGS([-Wall -Werror], [CXXFLAGS])