remove implicit reference to gcc

Tomoaki Nishiyama · Tomoaki Nishiyama · commit 7e1d1441607b · 2023-02-09T18:02:03.000+09:00
diff --git a/RPostgreSQL/configure.ac b/RPostgreSQL/configure.ac
@@ -19,9 +19,6 @@ AC_INIT([RPostgreSQL],[0.7])
 
 AC_CONFIG_AUX_DIR(src)
 
-# Checks for common programs using default macros
-AC_PROG_CC
-
 AC_CANONICAL_HOST
 AC_CANONICAL_TARGET
 case "${host_os}" in
