ifdef do_it CFLAGS += -fno-strict-overflow endif 原文: http://stackoverflow.com/questions/7656425/makefile-ifeq-logical-or
简介:makefile中两重if判断 法一: ifeq ((GCCMINOR),(filter $(GCC_MINOR),4 5)) filter X, A B will return those of A,B that are equal X. makefile中两重if判断 法一: ifeq ((GCCMINOR),(filter $(GCC_MINOR),4 5)) filter X, A B will return those of A,B that are equal X. ...
ifeq ($(ARCH), x86) ifndef BINARY NO_BINARY_MODE = 1 endif ifeq ($(CORE), generic) NO_EXPRECISION = 1 endif ifndef NO_EXPRECISION ifeq ($(F_COMPILER), GFORTRAN) # ifeq logical or. GCC or LSB ifeq ($(C_COMPILER), $(filter $(C_COMPILER),GCC LSB)) EXPRECISION...
ifeq ($(OSNAME), CYGWIN_NT) NEED_PIC = 0 NO_EXPRECISION = 1 endif ifneq ($(OSNAME), WINNT) ifneq ($(OSNAME), CYGWIN_NT) ifneq ($(OSNAME), Interix) ifneq ($(OSNAME), Android) ifdef SMP EXTRALIB += -lpthread endif endif endif endif endif # ifeq logical or ifeq ($(OSNAME...
ifeq ($(TARGET), "") $(GOBUILD) -cover $(RACE_FLAG) -ldflags '$(CHECK_LDFLAGS)' --tags deadlock,enableassert -o bin/tidb-server ./cmd/tidb-server else $(GOBUILD) -cover $(RACE_FLAG) -ldflags '$(CHECK_LDFLAGS)' --tags deadlock,enableassert -o '$(TARGET)' ./cmd/tidb-...
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ifeq ($(ARCH), x86) ifndef BINARY NO_BINARY_MODE = 1 endif ifeq ($(CORE), generic) NO_EXPRECISION = 1 endif ifndef NO_EXPRECISION ifeq ($(F_COMPILER), GFORTRAN) # ifeq logical or. GCC or LSB ifeq ($(C_COMPILER), $(filter $(C_COMPILER),GCC LSB)) EXPRECISION...
法一: ifeq ($(GCC_MINOR),$(filter $(GCC_MINOR),4 5)) filter X, A B will return those of A,B that are equal X. A variation of this is ifneq (,$(filter $(GCC_MINOR),4 5)) where a negative comparison against an empty string is used instead (filter will return en empty stri...
ifeq ($(LLE), 1) SOURCES_C += \ $(ROOT_DIR)/custom/mupen64plus-rsp-cxd4/module.c \ $(CXD4DIR)/su.c \ $(CXD4DIR)/vu/add.c \ $(CXD4DIR)/vu/divide.c \ $(CXD4DIR)/vu/logical.c \ $(CXD4DIR)/vu/multiply.c \ $(CXD4DIR)/vu/select.c \ $(CXD4DIR)/vu/vu.c end...
ifeq指令开启了条件句,并指定条件。它包含两个参数,用逗号分隔,并用括号括起来。对两个参数执行变量替换,然后对它们进行比较。如果两个参数匹配,则会遵守 ifeq 后面的 makefile 行;否则它们将被忽略。如果前一个条件失败,else 指令将导致遵守以下行。在上面的例子中,这意味着每当不使用第一备选方案时,就使...