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1. GNU make
ÔÚ´óÐ͵Ŀª·¢ÏîÄ¿ÖУ¬Í¨³£Óм¸Ê®µ½ÉϰٸöµÄÔ´Îļþ£¬Èç¹ûÿ´Î¾ùÊÖ¹¤¼üÈë gcc ÃüÁî½øÐбàÒëµÄ»°£¬Ôò»á·Ç³£²»·½±ã¡£Òò´Ë£¬ÈËÃÇͨ³£ÀûÓà make ¹¤¾ßÀ´×Ô¶¯Íê³É±àÒ빤×÷¡£ÕâЩ¹¤×÷°üÀ¨£ºÈç¹û½öÐÞ¸ÄÁËij¼¸¸öÔ´Îļþ£¬ÔòÖ»ÖØÐ±àÒëÕ⼸¸öÔ´Îļþ£»Èç¹ûij¸öÍ·Îļþ±»ÐÞ¸ÄÁË£¬ÔòÖØÐ±àÒëËùÓаüº¬¸ÃÍ·ÎļþµÄÔ´Îļþ¡£ÀûÓÃÕâÖÖ×Ô¶¯±àÒë¿É´ó´ó¼ò»¯¿ª·¢¹¤×÷£¬±ÜÃâ²»±ØÒªµÄÖØÐ±àÒ롣ʵ¼ÊÉÏ£¬make ¹¤¾ßͨ¹ýÒ»¸ö³ÆÎª makefile µÄÎļþÀ´Íê³É²¢×Ô¶¯Î¬»¤±àÒ빤×÷¡£makefile ÐèÒª°´ÕÕijÖÖÓï·¨½øÐбàд£¬ÆäÖÐ˵Ã÷ÁËÈçºÎ±àÒë¸÷¸öÔ´Îļþ²¢Á¬½ÓÉú³É¿ÉÖ´ÐÐÎļþ£¬²¢¶¨ÒåÁËÔ´ÎļþÖ®¼äµÄÒÀÀµ¹ØÏµ¡£µ±ÐÞ¸ÄÁËÆäÖÐij¸öÔ´Îļþʱ£¬Èç¹ûÆäËûÔ´ÎļþÒÀÀµÓÚ¸ÃÎļþ£¬ÔòÒ²ÒªÖØÐ±àÒëËùÓÐÒÀÀµ¸ÃÎļþµÄÔ´Îļþ¡£makefile ÎļþÊÇÐí¶à±àÒëÆ÷£¬°üÀ¨ Windows NT ϵıàÒëÆ÷ά»¤±àÒëÐÅÏ¢µÄ³£Ó÷½·¨£¬Ö»ÊÇÔÚ¼¯³É¿ª·¢»·¾³ÖУ¬Óû§Í¨¹ýÓѺõĽçÃæÐÞ¸Ä makefile Îļþ¶øÒÑ¡£
ĬÈÏÇé¿öÏ£¬GNU make ¹¤¾ßÔÚµ±Ç°¹¤×÷Ŀ¼Öа´ÈçÏÂ˳ÐòËÑË÷ makefile£º
* GNUmakefile
* makefile
* Makefile
ÔÚ UNIX ϵͳÖУ¬Ï°¹ßʹÓà Makefile ×÷Ϊ makfile Îļþ¡£Èç¹ûҪʹÓÃÆäËûÎļþ×÷Ϊ makefile£¬Ôò¿ÉÀûÓÃÀàËÆÏÂÃæµÄ make ÃüÁîÑ¡ÏîÖ¸¶¨ makefile Îļþ£º
$ make -f Makefile.debug

2. makefile »ù±¾½á¹¹
makefile ÖÐÒ»°ã°üº¬ÈçÏÂÄÚÈÝ£º
* ÐèÒªÓÉ make ¹¤¾ß´´½¨µÄÏîÄ¿£¬Í¨³£ÊÇÄ¿±êÎļþºÍ¿ÉÖ´ÐÐÎļþ¡£Í¨³£Ê¹Óá°Ä¿±ê£¨target£©¡±Ò»´ÊÀ´±íʾҪ´´½¨µÄÏîÄ¿¡£
* Òª´´½¨µÄÏîÄ¿ÒÀÀµÓÚÄÄЩÎļþ¡£
* ´´½¨Ã¿¸öÏîĿʱÐèÒªÔËÐеÄÃüÁî¡£

ÀýÈ磬¼ÙÉèÄãÏÖÔÚÓÐÒ»¸ö C++ Ô´Îļþ test.C£¬¸ÃÔ´Îļþ°üº¬ÓÐ×Ô¶¨ÒåµÄÍ·Îļþ test.h£¬ÔòÄ¿±êÎļþ test.o
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Õâʱ£¬¾Í¿ÉÒÔÀûÓÃÈçÏ嵀 makefile À´¶¨Òå test.o µÄ´´½¨¹æÔò£º

# This makefile just is a example.
# The following lines indicate how test.o depends
# test.C and test.h, and how to create test.o

test. test.C test.h
g++ -c -g test.C

´ÓÉÏÃæµÄÀý×Ó×¢Òâµ½£¬µÚÒ»¸ö×Ö·ûΪ # µÄÐÐΪעÊÍÐС£µÚÒ»¸ö·Ç×¢ÊÍÐÐÖ¸¶¨ test.o ΪĿ±ê£¬²¢ÇÒÒÀÀµÓÚtest.C ºÍ test.h Îļþ¡£ËæºóµÄÐÐÖ¸¶¨ÁËÈçºÎ´ÓÄ¿±êËùÒÀÀµµÄÎļþ½¨Á¢Ä¿±ê¡£µ± test.C »ò test.h ÎļþÔÚ±àÒëÖ®ºóÓÖ±»Ð޸ģ¬Ôò make ¹¤¾ß¿É×Ô¶¯ÖØÐ±àÒë test.o£¬Èç¹ûÔÚǰºóÁ½´Î±àÒëÖ®¼ä£¬test.C ºÍ test.h ¾ùûÓб»Ð޸쬶øÇÒ test.o »¹´æÔڵϰ£¬¾ÍûÓбØÒªÖØÐ±àÒë¡£ÕâÖÖÒÀÀµ¹ØÏµÔÚ¶àÔ´ÎļþµÄ³ÌÐò±àÒëÖÐÓÈÆäÖØÒª¡£Í¨¹ýÕâÖÖÒÀÀµ¹ØÏµµÄ¶¨Ò壬make ¹¤¾ß¿É±ÜÃâÐí¶à²»±ØÒªµÄ±àÒ빤×÷¡£µ±È»£¬ÀûÓà Shell ½Å±¾Ò²¿ÉÒÔ´ïµ½×Ô¶¯±àÒëµÄЧ¹û£¬µ«ÊÇ£¬Shell ½Å±¾½«È«²¿±àÒëÈκÎÔ´Îļþ£¬°üÀ¨ÄÄЩ²»±ØÒªÖØÐ±àÒëµÄÔ´Îļþ£¬¶ø make ¹¤¾ßÔò¿É¸ù¾ÝÄ¿±êÉÏÒ»´Î±àÒëµÄʱ¼äºÍÄ¿±êËùÒÀÀµµÄÔ´ÎļþµÄ¸üÐÂʱ¼ä¶ø×Ô¶¯ÅжÏÓ¦µ±±àÒëÄĸöÔ´Îļþ¡£
Ò»¸ö makefile ÎļþÖпɶ¨Òå¶à¸öÄ¿±ê£¬ÀûÓà make target ÃüÁî¿ÉÖ¸¶¨Òª±àÒëµÄÄ¿±ê£¬Èç¹û²»Ö¸¶¨Ä¿±ê£¬ÔòʹÓõÚÒ»¸öÄ¿±ê¡£Í¨³££¬makefile Öж¨ÒåÓÐ clean Ä¿±ê£¬¿ÉÓÃÀ´Çå³ý±àÒë¹ý³ÌÖеÄÖмäÎļþ£¬ÀýÈ磺
clean:
rm -f *.o
ÔËÐÐ make clean ʱ£¬½«Ö´ÐÐ rm -f *.o ÃüÁ×îÖÕɾ³ýËùÓбàÒë¹ý³ÌÖвúÉúµÄËùÓÐÖмäÎļþ¡£

3. makefile ±äÁ¿
GNU µÄ make ¹¤¾ß³ýÌṩÓн¨Á¢Ä¿±êµÄ»ù±¾¹¦ÄÜÖ®Í⣬»¹ÓÐÐí¶à±ãÓÚ±í´ïÒÀÀµÐÔ¹ØÏµÒÔ¼°½¨Á¢Ä¿±êµÄÃüÁîµÄÌØ
É«¡£ÆäÖÐÖ®Ò»¾ÍÊDZäÁ¿»òºêµÄ¶¨ÒåÄÜÁ¦¡£Èç¹ûÄãÒªÒÔÏàͬµÄ±àÒëÑ¡Ïîͬʱ±àÒëÊ®¼¸¸ö C Ô´Îļþ£¬¶øÎªÃ¿¸öÄ¿
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# Define macros for name of compiler
CC = gcc

# Define a macr o for the CC flags
CCFLAGS = -D_DEBUG -g -m486

# A rule for building a object file
test. test.c test.h
$(CC) -c $(CCFLAGS) test.c

ÔÚÉÏÃæµÄÀý×ÓÖУ¬CC ºÍ CCFLAGS ¾ÍÊÇ make µÄ±äÁ¿¡£GNU make ͨ³£³ÆÖ®Îª±äÁ¿£¬¶øÆäËû UNIX µÄ make
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ÉÏÃæµÄ $(CC) ºÍ $(CCFLAGS)¡£

4. GNU make µÄÖ÷ÒªÔ¤¶¨Òå±äÁ¿
GNU make ÓÐÐí¶àÔ¤¶¨ÒåµÄ±äÁ¿£¬ÕâЩ±äÁ¿¾ßÓÐÌØÊâµÄº¬Ò壬¿ÉÔÚ¹æÔòÖÐʹÓᣱí 1-5 ¸ø³öÁËһЩÖ÷ÒªµÄ
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FC FORTRAN ±àÒëÆ÷µÄÃû³Æ£¬Ä¬ÈÏֵΪ f77¡£
FFLAGS FORTRAN ±àÒëÆ÷µÄÑ¡Ïî¡£

5. Òþº¬¹æÔò
GNU make °üº¬ÓÐһЩÄÚÖõĻòÒþº¬µÄ¹æÔò£¬ÕâЩ¹æÔò¶¨ÒåÁËÈçºÎ´Ó²»Í¬µÄÒÀÀµÎļþ½¨Á¢Ìض¨ÀàÐ͵ÄÄ¿±ê¡£
GNU make Ö§³ÖÁ½ÖÖÀàÐ͵ÄÒþº¬¹æÔò£º
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.c.
$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<

* ģʽ¹æÔò£¨pattern rules£©¡£ÕâÖÖ¹æÔò¸ü¼ÓͨÓã¬ÒòΪ¿ÉÒÔÀûÓÃģʽ¹æÔò¶¨Òå¸ü¼Ó¸´ÔÓµÄÒÀÀµÐÔ¹æÔò¡£
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%.c:%.o
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6. makefile ·¶Àý
#SAMPLE#
CCE µÄ Makefile

7. ÔËÐÐ make
ÎÒÃÇÖªµÀ£¬Ö±½ÓÔÚ make ÃüÁîµÄºóÃæ¼üÈëÄ¿±êÃû¿É½¨Á¢Ö¸¶¨µÄÄ¿±ê£¬Èç¹ûÖ±½ÓÔËÐÐ make£¬Ôò½¨Á¢µÚÒ»¸öÄ¿±ê¡£ÎÒÃÇ»¹ÖªµÀ¿ÉÒÔÓà make -f mymakefile ÕâÑùµÄÃüÁîÖ¸¶¨ make ʹÓÃÌØ¶¨µÄ makefile£¬¶ø²»ÊÇĬÈ쵀 GNUmakefile¡¢makefile »ò Makefile¡£µ« GNU make ÃüÁÓÐһЩÆäËûÑ¡Ï±í 1-6 ¸ø³öÁËÕâЩѡÏî¡£

±í 1-6 GNU make ÃüÁîµÄ³£ÓÃÃüÁîÐÐÑ¡Ïî

ÃüÁîÐÐÑ¡Ïî º¬Òå
-C DIR ÔÚ¶ÁÈ¡ makefile ֮ǰ¸Ä±äµ½Ö¸¶¨µÄĿ¼ DIR¡£
-f FILE ÒÔÖ¸¶¨µÄ FILE Îļþ×÷Ϊ makefile¡£
-h ÏÔʾËùÓÐµÄ make Ñ¡Ïî¡£
-i ºöÂÔËùÓеÄÃüÁîÖ´ÐдíÎó¡£
-I DIR µ±°üº¬ÆäËû makefile Îļþʱ£¬¿ÉÀûÓøÃÑ¡ÏîÖ¸¶¨ËÑË÷Ŀ¼¡£
-n Ö»´òÓ¡ÒªÖ´ÐеÄÃüÁµ«²»Ö´ÐÐÕâЩÃüÁî¡£
-p ÏÔʾ make ±äÁ¿Êý¾Ý¿âºÍÒþº¬¹æÔò¡£
-s ÔÚÖ´ÐÐÃüÁîʱ²»ÏÔʾÃüÁî¡£
-w ÔÚ´¦Àí makefile ֮ǰºÍÖ®ºó£¬ÏÔʾ¹¤×÷Ŀ¼¡£
-W FILE ¼Ù¶¨Îļþ FILE ÒѾ­±»Ð޸ġ£
ÔÚNios II IDEÈí¼þ±àÒë»·¾³Ì½ÃÜÖ®£¨Ò»£©ÖÐÎÒÃÇÁ˽âÁËGNU MAKEºÍMakefileµÄÏà¹ØÖªÊ¶£¬ÎÒÃÇÖªµÀNIOS II IDEÖм¯³ÉÁËGNU C/C++±àÒë»·¾³£¨¾ßÌåλÖÃÔÚC:\altera\kits\nios2\bin\nios2-gnutools£¬ÎÒµÄϵͳĬÈϰ²×°ÔÚC:ÅÌÉÏ£©£¬Nios II IDE±àÒë»·¾³»áΪÓû§ÏîÄ¿×Ô¶¯Éú³ÉÒ»¸ö»ùÓÚÓû§Ìض¨ÏµÍ³ÅäÖã¨SOPC BuilderÉú³ÉµÄPTFÎļþ£©µÄMakefileÎļþ£¬Nios II IDEµÄ±àÒë/Á¬½ÓÉèÖõÄÈκθı䶼»áÓ³Éäµ½Õâ¸ö×Ô¶¯Éú³ÉÎļþÖУ¬Õâ¸öÎļþ×¢Ã÷£ºTHIS IS AN AUTO-GENERATED FILE. DO NOT EDIT DIRECTLY¡£Óû§²»ÐèÖ±½ÓÐ޸ģ¬¶Ô±àÒëϵͳµÄÐÞ¸ÄÔÚMakefileÎļþÖÐ×¢Ã÷£º
To change the settings in here:
# - Right click on the project
# - Select "Properties" option
# - Use property pages to set options. Details given below
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PROJECT := hello_led_0
SYSTEM_NAME := hello_led_0_syslib_1
SYSTEM_DIR := D:/develop/low_cost/software/hello_led_0_syslib_1
SUBDIRS := \
. \
include ${patsubst %, %/subdir.mk, $(SUBDIRS)}
MAKEFILE_LIST += $(patsubst %, %/subdir.mk, $(SUBDIRS))
APP_MAKEFILE := C:/altera/kits/nios2/components/altera_hal/build/app.mk
include $(APP_MAKEFILE)
ÔÚÉÏÊö±äÁ¿ÖУ¬PROJECT¡¢SYSTEM_NAME ¡¢SYSTEM_DIRµÈ±äÁ¿£¬½«ÔÚ°üº¬½øÀ´µÄ¹æÔòÎļþÖб»ÒýÓá£APP_CONFIG := DebugºÍSYS_CONFIG := Debug¶¨ÒåµÄ±àÒëÉú³ÉÎļþµÄĿ¼£¬Îļþĩβͨ¹ýinclude°üº¬½øÁ½¸öÎļþ£¬ÆäÖÐsubdir.mkÎļþÖж¨ÒåÁË£º
C_SRCS += \
${addprefix ,\
hello_led.c \
}
CXX_SRCS += \
${addprefix ,\
}
ASM_SRCS += \
${addprefix ,\
}
ºÜÃ÷ÏÔÊÇÓû§ÏîÄ¿µÄÈýÖÖ²»Í¬Ô´Îļþ¡£
¶øinclude $(APP_MAKEFILE)ÔòÒý½øÁËϵͳ±àÒë¹æÔò£¬ÕâЩ¹æÔò¶¨ÒåÔڵײãHALµÄbuildĿ¼ÖС£Ë³ÌÙÃþ¹Ï£¬ÎÒÃǽÓ×ÅÀ´·ÖÎöapp.mkÎļþ¡£
ÔÚapp.mkÎļþÖÐÖ÷ÒªÍê³ÉÁ½²¿·Ö¹¤×÷£¬Ç°Ò»²¿·ÖÎÒÃÇ¿ÉÒÔͨ¹ý±äÁ¿µÄÌæ»»¿´³ö£º°üº¬ÒýÈëÁËÏîÄ¿¿âĿ¼ÖеÄgenerated_all.mkÎļþ£¬¸ÃÎļþ¶¨ÒåÁËÒÔϱäÁ¿£º
COMPONENTS_PROCESSOR = /cygdrive/c/altera/kits/nios2/components/altera_nios2
COMPONENTS_OS = /cygdrive/c/altera/kits/nios2/components/altera_hal
COMPONENTS_DEVICE_DRIVERS = /cygdrive/c/altera/kits/nios2/components/altera_avalon_pio \
/cygdrive/c/altera/kits/nios2/components/altera_avalon_jtag_uart \
/cygdrive/c/altera/kits/nios2/components/altera_avalon_sysid \
/cygdrive/c/altera/kits/nios2/components/altera_avalon_cfi_flash \
/cygdrive/c/altera/kits/nios2/components/altera_avalon_uart
PTF = D:\develop\low_cost\low_cost_1C20.ptf
CPU = cpu
ÕâЩ¶¼ÊÇÓ²¼þÏà¹ØµÄ¡£
app.mkºó°ë²¿·ÖÖ÷ÒªÒýÈëÁËÏîÄ¿Ïà¹ØÍⲿÉ豸×é¼þµÄ±àÒë±äÁ¿
COMPONENT_MAKEFILES = $(wildcard $(foreach component, $(COMPONENTS), \
$(component)/HAL/src/component.mk))
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