clang -g -Wall -O3   -c -o main.o main.c
# GNU Make 4.1
# Built for x86_64-unknown-cygwin
# Copyright (C) 1988-2014 Free Software Foundation, Inc.
# License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
# This is free software: you are free to change and redistribute it.
# There is NO WARRANTY, to the extent permitted by law.

# Make data base, printed on Thu Mar 24 10:53:58 2016

# Variables

# 'override' directive
GNUMAKEFLAGS :=
# automatic
<D = $(patsubst %/,%,$(dir $<))
# automatic
?F = $(notdir $?)
# default
.SHELLFLAGS := -c
# makefile
MAKEFLAGS = p
# default
CWEAVE = cweave
# automatic
?D = $(patsubst %/,%,$(dir $?))
# environment
!:: = ::\
# automatic
@D = $(patsubst %/,%,$(dir $@))
# environment
HOMEDRIVE = H:
# automatic
@F = $(notdir $@)
# makefile (from 'makefile', line 7)
LDLIBS =
# automatic
^D = $(patsubst %/,%,$(dir $^))
# makefile
CURDIR := /home/chenning/makefile_test
# makefile
SHELL = /bin/sh
# default
RM = rm -f
# default
CO = co
# makefile (from 'makefile', line 4)
P = hello_world.exe
# environment
ProgramFiles(x86) = C:\Program Files (x86)
# environment
WINDIR = C:\Windows
# environment
FP_NO_HOST_CHECK = NO
# environment
TZ = America/New_York
# environment
_ = /usr/bin/make
# default
PREPROCESS.F = $(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -F
# environment
EXECIGNORE = *.dll
# default
LINK.m = $(OBJC) $(OBJCFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
# default
LINK.o = $(CC) $(LDFLAGS) $(TARGET_ARCH)
# default
OUTPUT_OPTION = -o $@
# default
COMPILE.cpp = $(COMPILE.cc)
# environment
PATHEXT = .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
# environment
VSEDEFLOGDIR = C:\ProgramData\McAfee\DesktopProtection
# environment
USERNAME = chenning
# default
LINK.p = $(PC) $(PFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
# makefile (from 'makefile', line 8)
CC = clang
# environment
CommonProgramFiles(x86) = C:\Program Files (x86)\Common Files
# environment
INFOPATH = /usr/local/info:/usr/share/info:/usr/info
# default
CHECKOUT,v = +$(if $(wildcard $@),,$(CO) $(COFLAGS) $< $@)
# default
LEX.m = $(LEX) $(LFLAGS) -t
# default
CPP = $(CC) -E
# default
LINK.cc = $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
# default
MAKE_HOST := x86_64-unknown-cygwin
# environment
PATH = /usr/local/bin:/usr/bin:/cygdrive/c/Program Files (x86)/Intel/iCLS Client:/cygdrive/c/Program Files/Intel/iCLS Client:/cygdrive/c/Windows/system32:/cygdrive/c/Windows:/cygdrive/c/Windows/System32/Wbem:/cygdrive/c/Windows/System32/WindowsPowerShell/v1.0:/cygdrive/c/Program Files (x86)/Sybase/Shared/PowerBuilder:/cygdrive/c/Program Files (x86)/Avaya Modular Messaging/Common:/cygdrive/c/Program Files (x86)/Common Files/Avaya Modular Messaging:/cygdrive/c/Program Files/Intel/Intel(R) Management Engine Components/DAL:/cygdrive/c/Program Files (x86)/Intel/Intel(R) Management Engine Components/DAL:/cygdrive/c/Program Files/Intel/Intel(R) Management Engine Components/IPT:/cygdrive/c/Program Files (x86)/Intel/Intel(R) Management Engine Components/IPT:/cygdrive/c/Program Files (x86)/ATI Technologies/ATI.ACE/Core-Static:/cygdrive/c/Program Files/Microsoft SQL Server/120/DTS/Binn:/cygdrive/c/Program Files/Microsoft SQL Server/Client SDK/ODBC/110/Tools/Binn:/cygdrive/c/Program Files (x86)/Microsoft SQL Server/120/Tools/Binn/ManagementStudio:/cygdrive/c/Program Files (x86)/Microsoft SQL Server/120/Tools/Binn:/cygdrive/c/Program Files/Microsoft SQL Server/120/Tools/Binn:/cygdrive/c/Program Files (x86)/Microsoft SQL Server/120/DTS/Binn:/cygdrive/c/Program Files (x86)/Windows Kits/8.1/Windows Performance Toolkit:/cygdrive/c/Program Files/Microsoft SQL Server/110/Tools/Binn:/cygdrive/c/Program Files (x86)/Microsoft SDKs/TypeScript/1.0:/cygdrive/c/Program Files (x86)/CMake/bin:/cygdrive/c/python:/cygdrive/c/Program Files (x86)/Sybase/Shared/PowerBuilder:/cygdrive/c/Program Files/Colligo Networks/Colligo
# environment
VS110COMNTOOLS = C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\Tools\
# default
LD = ld
# default
TEXI2DVI = texi2dvi
# default
YACC = yacc
# default
COMPILE.mod = $(M2C) $(M2FLAGS) $(MODFLAGS) $(TARGET_ARCH)
# makefile (from 'makefile', line 6)
CFLAGS = -g -Wall -O3
# environment
PROCESSOR_ARCHITECTURE = AMD64
# default
LINK.r = $(FC) $(FFLAGS) $(RFLAGS) $(LDFLAGS) $(TARGET_ARCH)
# environment
USERPROFILE = C:\Users\chenning
# default
LINT = lint
# default
COMPILE.f = $(FC) $(FFLAGS) $(TARGET_ARCH) -c
# makefile (from 'makefile', line 1)
MAKEFILE_LIST :=  makefile
# default
LINT.c = $(LINT) $(LINTFLAGS) $(CPPFLAGS) $(TARGET_ARCH)
# default
YACC.m = $(YACC) $(YFLAGS)
# environment
ALLUSERSPROFILE = C:\ProgramData
# default
YACC.y = $(YACC) $(YFLAGS)
# default
AR = ar
# environment
NUMBER_OF_PROCESSORS = 8
# environment
VS120COMNTOOLS = C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\Tools\
# default
.FEATURES := target-specific order-only second-expansion else-if shortest-stem undefine oneshell archives jobserver output-sync check-symlink guile load
# default
TANGLE = tangle
# environment
ProgramW6432 = C:\Program Files
# default
GET = get
# automatic
%F = $(notdir $%)
# default
COMPILE.F = $(FC) $(FFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
# default
CTANGLE = ctangle
# environment
COMSPEC = C:\Windows\system32\cmd.exe
# environment
ORIGINAL_PATH = /cygdrive/c/Program Files (x86)/Intel/iCLS Client:/cygdrive/c/Program Files/Intel/iCLS Client:/cygdrive/c/Windows/system32:/cygdrive/c/Windows:/cygdrive/c/Windows/System32/Wbem:/cygdrive/c/Windows/System32/WindowsPowerShell/v1.0:/cygdrive/c/Program Files (x86)/Sybase/Shared/PowerBuilder:/cygdrive/c/Program Files (x86)/Avaya Modular Messaging/Common:/cygdrive/c/Program Files (x86)/Common Files/Avaya Modular Messaging:/cygdrive/c/Program Files/Intel/Intel(R) Management Engine Components/DAL:/cygdrive/c/Program Files (x86)/Intel/Intel(R) Management Engine Components/DAL:/cygdrive/c/Program Files/Intel/Intel(R) Management Engine Components/IPT:/cygdrive/c/Program Files (x86)/Intel/Intel(R) Management Engine Components/IPT:/cygdrive/c/Program Files (x86)/ATI Technologies/ATI.ACE/Core-Static:/cygdrive/c/Program Files/Microsoft SQL Server/120/DTS/Binn:/cygdrive/c/Program Files/Microsoft SQL Server/Client SDK/ODBC/110/Tools/Binn:/cygdrive/c/Program Files (x86)/Microsoft SQL Server/120/Tools/Binn/ManagementStudio:/cygdrive/c/Program Files (x86)/Microsoft SQL Server/120/Tools/Binn:/cygdrive/c/Program Files/Microsoft SQL Server/120/Tools/Binn:/cygdrive/c/Program Files (x86)/Microsoft SQL Server/120/DTS/Binn:/cygdrive/c/Program Files (x86)/Windows Kits/8.1/Windows Performance Toolkit:/cygdrive/c/Program Files/Microsoft SQL Server/110/Tools/Binn:/cygdrive/c/Program Files (x86)/Microsoft SDKs/TypeScript/1.0:/cygdrive/c/Program Files (x86)/CMake/bin:/cygdrive/c/python:/cygdrive/c/Program Files (x86)/Sybase/Shared/PowerBuilder:/cygdrive/c/Program Files/Colligo Networks/Colligo
# environment
COMPUTERNAME = CHENNING
# default
LINK.C = $(LINK.cc)
# environment
PWD = /home/chenning/makefile_test
# environment
PROGRAMFILES = C:\Program Files
# default
LINK.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_MACH)
# environment
USERDNSDOMAIN = TRANSRE.COM
# default
PREPROCESS.r = $(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -F
# environment
PKG_CONFIG_PATH = /cygdrive/c/cygwin64/usr/x86_64-w64-mingw32/sys-root/mingw/lib/pkgconfig
# default
LINK.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
# environment
PUBLIC = C:\Users\Public
# default
LINK.s = $(CC) $(ASFLAGS) $(LDFLAGS) $(TARGET_MACH)
# environment
HOME = /home/chenning
# environment
CommonProgramW6432 = C:\Program Files\Common Files
# environment
ProgramData = C:\ProgramData
# environment
PRINTER = \\NYPRINT\NY18-XeroxColor-East
# environment
COMMONPROGRAMFILES = C:\Program Files\Common Files
# environment
LOGONSERVER = \\NJDC02
# environment
OPENSSL_CONF = C:\OpenSSL-Win64\bin\openssl.cfg
# environment
USERDOMAIN = TRANSRE
# environment
HOSTNAME = chenning
# environment
MAKELEVEL := 0
# default
COMPILE.m = $(OBJC) $(OBJCFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
# default
MAKE = $(MAKE_COMMAND)
# environment
SHLVL = 1
# default
AS = as
# default
PREPROCESS.S = $(CC) -E $(CPPFLAGS)
# default
COMPILE.p = $(PC) $(PFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
# default
MAKE_VERSION := 4.1
# environment
USER = chenning
# default
FC = f77
# makefile
.DEFAULT_GOAL := hello_world.exe
# automatic
%D = $(patsubst %/,%,$(dir $%))
# environment
LOCALAPPDATA = C:\Users\chenning\AppData\Local
# default
ARFLAGS = rv
# default
WEAVE = weave
# default
MAKE_COMMAND := make
# environment
PROFILEREAD = true
# default
LINK.cpp = $(LINK.cc)
# default
F77 = $(FC)
# environment
OLDPWD = /home/chenning
# default
.VARIABLES :=
# default
PC = pc
# automatic
*F = $(notdir $*)
# environment
PROCESSOR_IDENTIFIER = Intel64 Family 6 Model 60 Stepping 3, GenuineIntel
# environment
OS = Windows_NT
# default
COMPILE.def = $(M2C) $(M2FLAGS) $(DEFFLAGS) $(TARGET_ARCH)
# environment
UMCommon = C:\Program Files (x86)\Avaya Modular Messaging\Common
# environment
ONEXC_PATH = C:\Program Files (x86)\Avaya\Avaya one-X Communicator\
# default
LEX = lex
# environment
HOMEPATH = \
# environment
HOMESHARE = \\tcuser\tcuser$\chenning
# environment
MFLAGS = -p
# automatic
*D = $(patsubst %/,%,$(dir $*))
# default
LEX.l = $(LEX) $(LFLAGS) -t
# environment
PSModulePath = C:\Windows\system32\WindowsPowerShell\v1.0\Modules\;C:\Program Files (x86)\Microsoft SQL Server\120\Tools\PowerShell\Modules\
# environment
asl.log = Destination=file
# environment
SYSTEMROOT = C:\Windows
# automatic
+D = $(patsubst %/,%,$(dir $+))
# default
COMPILE.r = $(FC) $(FFLAGS) $(RFLAGS) $(TARGET_ARCH) -c
# automatic
+F = $(notdir $+)
# default
M2C = m2c
# environment
APPDATA = C:\Users\chenning\AppData\Roaming
# environment
TEMP = /tmp
# environment
DEFLOGDIR = C:\ProgramData\McAfee\DesktopProtection
# default
MAKEFILES :=
# default
COMPILE.cc = $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
# automatic
<F = $(notdir $<)
# default
.LIBPATTERNS = lib%.dll.a %.dll.a lib%.a %.lib lib%.dll %.dll
# environment
PS1 = \[\e]0;\w\a\]\n\[\e[32m\]\u@\h \[\e[33m\]\w\[\e[0m\]\n\$
# default
CXX = g++
# environment
MMCommonAppDataRoot = C:\ProgramData\Avaya Modular Messaging
# default
COFLAGS =
# default
COMPILE.C = $(COMPILE.cc)
# automatic
^F = $(notdir $^)
# default
COMPILE.S = $(CC) $(ASFLAGS) $(CPPFLAGS) $(TARGET_MACH) -c
# default
LINK.F = $(FC) $(FFLAGS) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH)
# default
SUFFIXES := .out .a .ln .o .c .cc .C .cpp .p .f .F .m .r .y .l .ym .yl .s .S .mod .sym .def .h .info .dvi .tex .texinfo .texi .txinfo .w .ch .web .sh .elc .el
# environment
SYSTEMDRIVE = C:
# default
COMPILE.c = $(CC) $(CFLAGS) $(CPPFLAGS) $(TARGET_ARCH) -c
# environment
SESSIONNAME = Console
# environment
PROCESSOR_REVISION = 3c03
# default
COMPILE.s = $(AS) $(ASFLAGS) $(TARGET_MACH)
# default
.INCLUDE_DIRS = /usr/include /usr/include
# environment
TMP = /tmp
# default
.RECIPEPREFIX :=
# makefile (from 'makefile', line 5)
OBJECTS = main.o
# default
MAKEINFO = makeinfo
# default
MAKE_TERMERR := /dev/pty0
# default
OBJC = cc
# default
TEX = tex
# environment
LANG = en_US.UTF-8
# environment
PROCESSOR_LEVEL = 6
# environment
TERM = xterm
# default
F77FLAGS = $(FFLAGS)
# environment
WNHOME = C:\orion\wordnet
# default
LINK.f = $(FC) $(FFLAGS) $(LDFLAGS) $(TARGET_ARCH)
# environment
MM_MSXML_APARTMENT = 1
# variable set hash-table stats:
# Load=167/1024=16%, Rehash=0, Collisions=33/203=16%

# Pattern-specific Variable Values

# No pattern-specific variable values.

# Directories

# SCCS: could not be stat'd.
# . (device 4165101152, inode 5629499534551112): 5 files, 41 impossibilities.
# RCS: could not be stat'd.

# 5 files, 41 impossibilities in 3 directories.

# Implicit Rules

%.out:

%.a:

%.ln:

%.o:

%: %.o
#  recipe to execute (built-in):
    $(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.c:

%: %.c
#  recipe to execute (built-in):
    $(LINK.c) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.ln: %.c
#  recipe to execute (built-in):
    $(LINT.c) -C$* $<

%.o: %.c
#  recipe to execute (built-in):
    $(COMPILE.c) $(OUTPUT_OPTION) $<

%.cc:

%: %.cc
#  recipe to execute (built-in):
    $(LINK.cc) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.cc
#  recipe to execute (built-in):
    $(COMPILE.cc) $(OUTPUT_OPTION) $<

%.C:

%: %.C
#  recipe to execute (built-in):
    $(LINK.C) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.C
#  recipe to execute (built-in):
    $(COMPILE.C) $(OUTPUT_OPTION) $<

%.cpp:

%: %.cpp
#  recipe to execute (built-in):
    $(LINK.cpp) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.cpp
#  recipe to execute (built-in):
    $(COMPILE.cpp) $(OUTPUT_OPTION) $<

%.p:

%: %.p
#  recipe to execute (built-in):
    $(LINK.p) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.p
#  recipe to execute (built-in):
    $(COMPILE.p) $(OUTPUT_OPTION) $<

%.f:

%: %.f
#  recipe to execute (built-in):
    $(LINK.f) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.f
#  recipe to execute (built-in):
    $(COMPILE.f) $(OUTPUT_OPTION) $<

%.F:

%: %.F
#  recipe to execute (built-in):
    $(LINK.F) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.F
#  recipe to execute (built-in):
    $(COMPILE.F) $(OUTPUT_OPTION) $<

%.f: %.F
#  recipe to execute (built-in):
    $(PREPROCESS.F) $(OUTPUT_OPTION) $<

%.m:

%: %.m
#  recipe to execute (built-in):
    $(LINK.m) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.m
#  recipe to execute (built-in):
    $(COMPILE.m) $(OUTPUT_OPTION) $<

%.r:

%: %.r
#  recipe to execute (built-in):
    $(LINK.r) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.r
#  recipe to execute (built-in):
    $(COMPILE.r) $(OUTPUT_OPTION) $<

%.f: %.r
#  recipe to execute (built-in):
    $(PREPROCESS.r) $(OUTPUT_OPTION) $<

%.y:

%.ln: %.y
#  recipe to execute (built-in):
    $(YACC.y) $<
     $(LINT.c) -C$* y.tab.c
     $(RM) y.tab.c

%.c: %.y
#  recipe to execute (built-in):
    $(YACC.y) $<
     mv -f y.tab.c $@

%.l:

%.ln: %.l
#  recipe to execute (built-in):
    @$(RM) $*.c
     $(LEX.l) $< > $*.c
    $(LINT.c) -i $*.c -o $@
     $(RM) $*.c

%.c: %.l
#  recipe to execute (built-in):
    @$(RM) $@
     $(LEX.l) $< > $@

%.r: %.l
#  recipe to execute (built-in):
    $(LEX.l) $< > $@
     mv -f lex.yy.r $@

%.ym:

%.m: %.ym
#  recipe to execute (built-in):
    $(YACC.m) $<
     mv -f y.tab.c $@

%.yl:

%.s:

%: %.s
#  recipe to execute (built-in):
    $(LINK.s) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.s
#  recipe to execute (built-in):
    $(COMPILE.s) -o $@ $<

%.S:

%: %.S
#  recipe to execute (built-in):
    $(LINK.S) $^ $(LOADLIBES) $(LDLIBS) -o $@

%.o: %.S
#  recipe to execute (built-in):
    $(COMPILE.S) -o $@ $<

%.s: %.S
#  recipe to execute (built-in):
    $(PREPROCESS.S) $< > $@

%.mod:

%: %.mod
#  recipe to execute (built-in):
    $(COMPILE.mod) -o $@ -e $@ $^

%.o: %.mod
#  recipe to execute (built-in):
    $(COMPILE.mod) -o $@ $<

%.sym:

%.def:

%.sym: %.def
#  recipe to execute (built-in):
    $(COMPILE.def) -o $@ $<

%.h:

%.info:

%.dvi:

%.tex:

%.dvi: %.tex
#  recipe to execute (built-in):
    $(TEX) $<

%.texinfo:

%.info: %.texinfo
#  recipe to execute (built-in):
    $(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@

%.dvi: %.texinfo
#  recipe to execute (built-in):
    $(TEXI2DVI) $(TEXI2DVI_FLAGS) $<

%.texi:

%.info: %.texi
#  recipe to execute (built-in):
    $(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@

%.dvi: %.texi
#  recipe to execute (built-in):
    $(TEXI2DVI) $(TEXI2DVI_FLAGS) $<

%.txinfo:

%.info: %.txinfo
#  recipe to execute (built-in):
    $(MAKEINFO) $(MAKEINFO_FLAGS) $< -o $@

%.dvi: %.txinfo
#  recipe to execute (built-in):
    $(TEXI2DVI) $(TEXI2DVI_FLAGS) $<

%.w:

%.c: %.w
#  recipe to execute (built-in):
    $(CTANGLE) $< - $@

%.tex: %.w
#  recipe to execute (built-in):
    $(CWEAVE) $< - $@

%.ch:

%.web:

%.p: %.web
#  recipe to execute (built-in):
    $(TANGLE) $<

%.tex: %.web
#  recipe to execute (built-in):
    $(WEAVE) $<

%.sh:

%: %.sh
#  recipe to execute (built-in):
    cat $< >$@
     chmod a+x $@

%.elc:

%.el:

(%): %
#  recipe to execute (built-in):
    $(AR) $(ARFLAGS) $@ $<

%.out: %
#  recipe to execute (built-in):
    @rm -f $@
     cp $< $@

%.c: %.w %.ch
#  recipe to execute (built-in):
    $(CTANGLE) $^ $@

%.tex: %.w %.ch
#  recipe to execute (built-in):
    $(CWEAVE) $^ $@

%:: %,v
#  recipe to execute (built-in):
    $(CHECKOUT,v)

%:: RCS/%,v
#  recipe to execute (built-in):
    $(CHECKOUT,v)

%:: RCS/%
#  recipe to execute (built-in):
    $(CHECKOUT,v)

%:: s.%
#  recipe to execute (built-in):
    $(GET) $(GFLAGS) $(SCCS_OUTPUT_OPTION) $<

%:: SCCS/s.%
#  recipe to execute (built-in):
    $(GET) $(GFLAGS) $(SCCS_OUTPUT_OPTION) $<

# 92 implicit rules, 5 (5.4%) terminal.

# Files

# Not a target:
.web.p:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
    $(TANGLE) $<

# Not a target:
.l.r:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
    $(LEX.l) $< > $@
     mv -f lex.yy.r $@

# Not a target:
.dvi:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.

# Not a target:
.ym:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.

# Not a target:
.f.o:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
    $(COMPILE.f) $(OUTPUT_OPTION) $<

# Not a target:
.l:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.

# Not a target:
.m:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
    $(LINK.m) $^ $(LOADLIBES) $(LDLIBS) -o $@

# Not a target:
.ln:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.

# Not a target:
.o:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
    $(LINK.o) $^ $(LOADLIBES) $(LDLIBS) -o $@

# Not a target:
.y:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.

# Not a target:
.def.sym:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
    $(COMPILE.def) -o $@ $<

# Not a target:
.p.o:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
    $(COMPILE.p) $(OUTPUT_OPTION) $<

# Not a target:
.p:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
    $(LINK.p) $^ $(LOADLIBES) $(LDLIBS) -o $@

# Not a target:
.txinfo.dvi:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
    $(TEXI2DVI) $(TEXI2DVI_FLAGS) $<

# Not a target:
main.c:
#  Implicit rule search has been done.
#  Last modified 2016-01-25 10:52:27.2913401
#  File has been updated.
#  Successfully updated.

# Not a target:
.a:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
#  File has not been updated.

# Not a target:
.yl:
#  Builtin rule
#  Implicit rule search has not been done.
#  Modification time never checked.
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# Not a target:
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hello_world.exe: main.o
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main.o: main.c
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#  Implicit/static pattern stem: 'main'
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#  Modification time never checked.
#  File has not been updated.
#  recipe to execute (built-in):
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#  Modification time never checked.
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# Not a target:
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#  File has not been updated.

# Not a target:
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#  recipe to execute (built-in):
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# VPATH Search Paths

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# current buf: size = 8162 B / used = 5328 B / count = 385 / avg = 13 B

# strcache performance: lookups = 656 / hit rate = 41%
# hash-table stats:
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# Finished Make data base on Thu Mar 24 10:53:58 2016