利用$(shell commmand) 作为基本结构,不需要放在基本规则格式以制表符Tab开始的 command 位置处,我们提到的基本规则格式及文章开头展示的 target-prerequisted-command 的形式。如下示例 CUR_DIR := $(shell pwd) CUR_TIME := $(shell date) FILE_LIST := $(shell ls *.c) all: @echo $(CUR_DIR) @ec...
# The reason we don't use "go env GOOS" or "go env GOARCH" is that the "go" # binary may not be available in the PATH yet when the Makefiles are # evaluated. HOST_OS and HOST_ARCH only support Linux, *BSD and macOS (M1 # and Intel). host_os := $(shell uname -s | tr...
3. Suppressing the Echo of Command Invocation To reduce clutter, we only want to print the actual command output and not the executed command itself. Now, let’s explore the various methods for doing so. We can suppress the echo on a per-command basis by prefixing the command with the ...