configure.ac: Drop AC_PROG_CXX.

We don't need a C++ compiler for libsigrok, so don't check for one.

This would cause a build failure on all systems where there is a C compiler
but no C++ compiler installed.

diff --git a/configure.ac b/configure.ac
index 356debf46509e4e6f74663fa4367b757dc13f519..75d14e8b2f58444b26ebd9027996c2158052c158 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -47,7 +47,6 @@ AH_BOTTOM([#endif /* SR_CONFIG_H */])
 CFLAGS="$CFLAGS -Wall -Wextra -fvisibility=hidden"
 
 # Checks for programs.
-AC_PROG_CXX
 AC_PROG_CC
 AC_PROG_CPP
 AC_PROG_INSTALL