On recent master, to simplify the code somewhat, I removed the redundant
all-uppercase variants of some make variables (e.g., `make DEBUG=t` ->
`make debug=t`), and only left the all-lowercase variants:
diff --git a/solenv/gbuild/gbuild.help.txt b/solenv/gbuild/gbuild.help.txt
index c677541309f5..647bd74afea1 100644
--- a/solenv/gbuild/gbuild.help.txt
+++ b/solenv/gbuild/gbuild.help.txt
@@ -110,11 +110,9 @@ INTERACTIVE VARIABLES:
BUILDTOOLTRACE Run all commands that invoke built tools in strace,
valgrind or a debugger:
BUILDTOOLTRACE='$(DEVENV) /debugexe' PARALLELISM=1 make
- DEBUG / debug If not empty, build as with --enable-debug.
- ENABLE_SYMBOLS / enable_symbols
- If not empty, build as with --enable-symbols.
- DBGLEVEL / dbglevel
- If not empty, force the debug level to the specified value. The
+ debug If not empty, build as with --enable-debug.
+ enable_symbols If not empty, build as with --enable-symbols.
+ dbglevel If not empty, force the debug level to the specified value. The
debug level is passed to the source code through OSL_DEBUG_LEVEL
macro.
0 = no debug (as with --disable-debug)
(Done as one small step of the overall quest to cut down on our somewhat
confusing zoo of debugging-related configure options, make variables,
and C/C++ macros.)