Re: how to build cygwin from source?

2016-07-05 Thread Marco Atzeri 

On 05/07/2016 17:37, harryren0...@sina.com wrote:

../../../../cygwinSrc/winsup/cygwin/autoload.cc
but this is a relative path.
Have you some residual around of a previous build ?


no,
make distclean
make



I don't see the need of "make distclean"
between "configure" and "make" on a empty build dir.


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Re: how to build cygwin from source?

2016-07-05 Thread Marco Atzeri 

On 05/07/2016 14:46, harryren0...@sina.com wrote:

I configured like this:
mkdir /oss/src
mkdir /oss/build
mkdir /oss/install
cd build
/oss/src/configure --prefix=/oss/install


this is a call to a configure with absolute path



make >& make.out
make install > install.log 2>&1

when i compiled cygwin2.5.2-1 from source code  in cygwin 2.2.1-1(win 7),i got 
a error:

c++wrap -O2 -g -fno-rtti -fno-exceptions -fno-use-cxa-atexit -Wall 
-Wstrict-aliasing -Wwrite-strings -fno-common -pipe -fbuiltin 
-fmessage-length=0 -MMD -Werror -fmerge-constants -ftracer -c -o autoload.o



../../../../cygwinSrc/winsup/cygwin/autoload.cc


but this is a relative path.
Have you some residual around of a previous build ?


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how to build cygwin from source?

2016-07-05 Thread harryren0524 
I configured like this:
mkdir /oss/src
mkdir /oss/build
mkdir /oss/install 
cd build
/oss/src/configure --prefix=/oss/install

make >& make.out
make install > install.log 2>&1

when i compiled cygwin2.5.2-1 from source code  in cygwin 2.2.1-1(win 7),i got 
a error:

c++wrap -O2 -g -fno-rtti -fno-exceptions -fno-use-cxa-atexit -Wall 
-Wstrict-aliasing -Wwrite-strings -fno-common -pipe -fbuiltin 
-fmessage-length=0 -MMD -Werror -fmerge-constants -ftracer -c -o autoload.o 
../../../../cygwinSrc/winsup/cygwin/autoload.cc
ccwrap -g -O2 -Wall -Wstrict-aliasing -Wwrite-strings -fno-common -pipe 
-fbuiltin -fmessage-length=0 -MMD -Werror -fmerge-constants -ftracer -c -o 
base64.o ../../../../cygwinSrc/winsup/cygwin/libc/base64.c
c++wrap -O2 -g -fno-rtti -fno-exceptions -fno-use-cxa-atexit -Wall 
-Wstrict-aliasing -Wwrite-strings -fno-common -pipe -fbuiltin 
-fmessage-length=0 -MMD -Werror -fmerge-constants -ftracer -c -o bsdlib.o 
../../../../cygwinSrc/winsup/cygwin/libc/bsdlib.cc
c++wrap -O2 -g -fno-rtti -fno-exceptions -fno-use-cxa-atexit -Wall 
-Wstrict-aliasing -Wwrite-strings -fno-common -pipe -fbuiltin 
-fmessage-length=0 -MMD -Werror -fmerge-constants -ftracer -c -o ctype.o 
../../../../cygwinSrc/winsup/cygwin/ctype.cc
c++wrap -O2 -g -fno-rtti -fno-exceptions -fno-use-cxa-atexit -Wall 
-Wstrict-aliasing -Wwrite-strings -fno-common -pipe -fbuiltin 
-fmessage-length=0 -MMD -Werror -fmerge-constants -ftracer -c -o cxx.o 
../../../../cygwinSrc/winsup/cygwin/cxx.cc
../../../../cygwinSrc/winsup/cygwin/cxx.cc:32:32: error: unknown option after 
'#pragma GCC diagnostic' kind [-Werror=pragmas]
 #pragma GCC diagnostic ignored "-Wc++14-compat"
^
cc1plus: all warnings being treated as errors
../../../../cygwinSrc/winsup/cygwin/../Makefile.common:41: recipe for target 
'cxx.o' failed
make[3]: *** [cxx.o] Error 1
make[3]: Leaving directory '/cygwinObj/i686-pc-cygwin/winsup/cygwin'
Makefile:81: recipe for target 'cygwin' failed
make[2]: *** [cygwin] Error 1
make[2]: Leaving directory '/cygwinObj/i686-pc-cygwin/winsup'
Makefile:8947: recipe for target 'all-target-winsup' failed
make[1]: *** [all-target-winsup] Error 2
make[1]: Leaving directory '/cygwinObj'
Makefile:853: recipe for target 'all' failed
make: *** [all] Error 2
-
then i commented  #pragma GCC diagnostic ignored "-Wc++14-compat" ,the building 
continued and then got another error:

rintl.o roundl.o scalbl.o scalbnl.o sinhl.o sinl.o sinl_internal.o sqrtl.o 
tanhl.o tanl.o tgammal.o truncl.o  version.o winver.o \
 /cygwinObj/i686-pc-cygwin/winsup/cygserver/libcygserver.a 
/cygwinObj/i686-pc-cygwin/newlib/libm/libm.a 
/cygwinObj/i686-pc-cygwin/newlib/libc/libc.a \
-lgcc /usr/lib/gcc/i686-pc-cygwin/4.9.3/../../../w32api/libkernel32.a 
/usr/lib/gcc/i686-pc-cygwin/4.9.3/../../../w32api/libntdll.a -Wl,-Map,cygwin.map
cabsl.o：在函数‘_mingw_raise_matherr’中：
/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138:
 multiple definition of `__mingw_raise_matherr'
acoshl.o:/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138：第一次在此定义
cacosl.o：在函数‘_mingw_raise_matherr’中：
/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138:
 multiple definition of `__mingw_raise_matherr'
acoshl.o:/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138：第一次在此定义
cargl.o：在函数‘_mingw_raise_matherr’中：
/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138:
 multiple definition of `__mingw_raise_matherr'
acoshl.o:/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138：第一次在此定义
casinl.o：在函数‘_mingw_raise_matherr’中：
/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138:
 multiple definition of `__mingw_raise_matherr'
acoshl.o:/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138：第一次在此定义
catanl.o：在函数‘_mingw_raise_matherr’中：
/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138:
 multiple definition of `__mingw_raise_matherr'
acoshl.o:/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138：第一次在此定义
ccosl.o：在函数‘_mingw_raise_matherr’中：
/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138:
 multiple definition of `__mingw_raise_matherr'
acoshl.o:/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138：第一次在此定义
cexpl.o：在函数‘_mingw_raise_matherr’中：
/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin/math/complex_internal.h:138:
 multiple definition of `__mingw_raise_matherr'
acoshl.o:/cygwinObj/i686-pc-cygwin/winsup/cygwin/../../../../cygwinSrc/winsup/cygwin