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-rw-r--r--contrib/bmake/unit-tests/opt-file.mk12
1 files changed, 8 insertions, 4 deletions
diff --git a/contrib/bmake/unit-tests/opt-file.mk b/contrib/bmake/unit-tests/opt-file.mk
index b7a1c09e6d16..edeff4b9ab11 100644
--- a/contrib/bmake/unit-tests/opt-file.mk
+++ b/contrib/bmake/unit-tests/opt-file.mk
@@ -1,6 +1,7 @@
-# $NetBSD: opt-file.mk,v 1.12 2021/04/04 10:13:09 rillig Exp $
+# $NetBSD: opt-file.mk,v 1.14 2021/12/09 20:47:33 rillig Exp $
#
-# Tests for the -f command line option.
+# Tests for the -f command line option, which adds a makefile to the list of
+# files that are parsed.
# TODO: Implementation
@@ -10,7 +11,8 @@ all: file-ending-in-backslash-mmap
all: line-with-trailing-whitespace
all: file-containing-null-byte
-# Passing '-' as the filename reads from stdin. This is unusual but possible.
+# When the filename is '-', the input comes from stdin. This is unusual but
+# possible.
#
# In the unlikely case where a file ends in a backslash instead of a newline,
# that backslash is trimmed. See ParseGetLine.
@@ -19,7 +21,9 @@ all: file-containing-null-byte
# outside of the file buffer.
#
# printf '%s' 'VAR=value\' \
-# | MALLOC_OPTIONS=JA make-2014.01.01.00.00.00 -r -f - -V VAR -dA 2>&1 \
+# | MALLOC_OPTIONS="JA" \
+# MALLOC_CONF="junk:true" \
+# make-2014.01.01.00.00.00 -r -f - -V VAR -dA 2>&1 \
# | less
#
# The debug output shows how make happily uses freshly allocated memory (the