commit cac555b665034f9c60369b71f27ac0dc608ca69f
from: Omar Polo <op@omarpolo.com>
date: Wed Jul 13 10:23:16 2022 UTC

configure: mention CC and CFLAGS in the help message

commit - d942a1f8742f293239f34f3b8438ff42bb950991
commit + cac555b665034f9c60369b71f27ac0dc608ca69f
blob - 427a2d8a2715d4f32f0e1b665577f5b8f92ecc9b
blob + 1ac1c392b0a59cd2470cb75c267194197ed46b9b
--- configure
+++ configure
@@ -78,6 +78,11 @@ Variables available:
     INCLUDEDIR             where to install header files (PREFIX/include)
     PKG_CONFIG             path to the pkg-config program or empty to disable
 
+Additionally, the following environment variables are used if set:
+
+    CC        the C compiler to use (defaults to cc, clang or gcc)
+    CFLAGS    generic C compiler flags
+
 EOF
 	exit 0 ;;
 esac