else #operation2 endif 对于if/else 来讲,可以对于不同的PHONY 给不同的定义/debug 选项,从而实现不同的编译条件 和 使用场景(debug/release/release with debug information...); ###函数篇 : 常见函数link 1 2 #函数调用规则 $(<function> <argument0>,<argument1>) #函数名与参数之间使用空格分隔, 参...
# 1. Copy the Makefile to your program directory. # 2. Customize in the "Customizable Section" only if necessary: # * to use non-standard C/C++ libraries, set pre-processor or compiler # options to <MY_CFLAGS> and linker ones to <MY_LIBS> # (See Makefile.gtk+-2.0 for an exampl...
问Makefile中的基本if else语句EN<c:choose> <c:when test="${requestScope.newFlag== '1' |...
Makefile directives control the makefile lines Make reads at read time. Here is our example extended with conditional directives (%if,%elif,%elseand%endif) to support both Borland and Microsoft compilers. Comments have been added for documentation: # This makefile compiles the project listed in...
are! you!"@echo$(bar) if函数 if检查第一个参数是否为非空。如果是,则运行第二个参数,否则运行第三个。 foo :=$(ifthis-is-not-empty,then!,else!)empty := bar :=$(if$(empty),then!,else!)all:
if函数 foo := $(if this-is-not-empty,then!,else!) empty := bar := $(if $(empty),then!,else!) all: @echo $(foo) @echo $(bar) call函数 sweet_new_fn = Variable Name: $(0) First: $(1) Second: $(2) Empty Variable: $(3) ...
在软件或者芯片的开发中,一般都会用到Makefile,它是一个文本文件,其中包含有关如何编译和链接程序的指令。Makefile 由 make 工具使用,make 工具是一个自动化构建工具,可以根据 Makefile 中的指令自动执行编译和链接过程。 Makefile 在芯片开发中的主要作用包括: ...
else ifdef CONFIG_PROFILE_ALL_BRANCHES KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,) else KBUILD_CFLAGS += -O2 endif endif KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \ $(call cc-disable-warning,maybe-uninitialized,)) #...
Conditional if/else foo = okall:ifeq($(foo), ok) echo"foo equals ok"elseecho"nope"endif Check if a variable is empty nullstring = foo =$(nullstring)# end of line; there is a space hereall:ifeq($(strip$(foo)),) echo"foo is empty after being stripped"endififeq($(nullstring),...
if test -z '$(MAKELEVEL)'; then \ false; \ elif test -n '$(MAKE_HOST)'; then \ true; \ elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ true; \ else \ false; \ fi; \ } am__make_running_with_option = \ ...