Here's my sample makefile content:
CC=g++
CFLAGS=-c -Wall
...
$(CC) $(CFLAGS) $< -o $@
What does the $< mean here?
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OneZero
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2I really cannot understand why people are asking questions *before* reading any documentation. IMHO, it is slower to ask than to seek in the doc – Basile Starynkevitch Dec 15 '15 at 06:23
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Read the documentation of GNU make. It is explained in the automatic variable section.
$<The name of the first prerequisite. If the target got its recipe from an implicit rule, this will be the first prerequisite added by the implicit rule
Basile Starynkevitch
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2Please consider marking as duplicate instead of answering when it's clear that the question has been asked and answered before. Thanks. – tripleee Dec 15 '15 at 07:20