***BOGO*** [Mingw-users] STLport build

[François Dumont <francois.cppdevs@xxxxxxx>]

Hello

   I am one of the STLport contributors that many MinGW users are also 
using. STLport is a C++ Standard library implementation like libstdc++. 
Under a number of platforms (Linux, Darwin...) STLport is built in order 
to avoid dependency with libstdc++, I would like to do the same under 
MinGW. So I have started to modify our build system and obtain the 
following result:

c++ -Wall -Wsign-promo -Wcast-qual -fexceptions -mthreads -g  
-DWINVER=0x0501 -D_DEBUG -I../../stlport   -shared 
-Wl,--out-implib=obj/gcc/so_g/libstlportg.5.2.dll.a,--enable-auto-image-base 
-nostdlib  -o obj/gcc/so_g/libstlportg.5.2.dll  obj/gcc/so_g/dll_main.o 
obj/gcc/so_g/fstream.o obj/gcc/so_g/strstream.o obj/gcc/so_g/sstream.o 
obj/gcc/so_g/ios.o obj/gcc/so_g/stdio_streambuf.o obj/gcc/so_g/istream.o 
obj/gcc/so_g/ostream.o obj/gcc/so_g/iostream.o obj/gcc/so_g/codecvt.o 
obj/gcc/so_g/collate.o obj/gcc/so_g/ctype.o obj/gcc/so_g/monetary.o 
obj/gcc/so_g/num_get.o obj/gcc/so_g/num_put.o 
obj/gcc/so_g/num_get_float.o obj/gcc/so_g/num_put_float.o 
obj/gcc/so_g/numpunct.o obj/gcc/so_g/time_facets.o 
obj/gcc/so_g/messages.o obj/gcc/so_g/locale.o obj/gcc/so_g/locale_impl.o 
obj/gcc/so_g/locale_catalog.o obj/gcc/so_g/facets_byname.o 
obj/gcc/so_g/complex.o obj/gcc/so_g/complex_io.o 
obj/gcc/so_g/complex_trig.o obj/gcc/so_g/string.o obj/gcc/so_g/bitset.o 
obj/gcc/so_g/allocators.o obj/gcc/so_g/c_locale.o obj/gcc/so_g/cxa.o  
obj/gcc/so_g/stlport.res  -Wl,--whole-archive -lsupc++  
-Wl,--no-whole-archive -lgcc -lm -lmingw32 -lmingwex -lmsvcrt -lkernel32
Info: resolving _atexit by linking to __imp__atexit (auto-importCreating 
library file: obj/gcc/so_g/libstlportg.5.2.dll.a
obj/gcc/so_g/complex.o(.text+0x7df): In function 
`ZN8stlp_std3absIeEET_RKNS_7complexIS1_EE':
c:/Utils/STLport/trunk/build/lib/../../src/complex.cpp:49: undefined 
reference to `hypot'
obj/gcc/so_g/complex.o(.text+0x809): In function 
`ZN8stlp_std3absIdEET_RKNS_7complexIS1_EE':
c:/Utils/STLport/trunk/build/lib/../../src/complex.cpp:44: undefined 
reference to `hypot'
obj/gcc/so_g/complex.o(.text+0x84a): In function 
`ZN8stlp_std3absIfEET_RKNS_7complexIS1_EE':
c:/Utils/STLport/trunk/build/lib/../../src/complex.cpp:41: undefined 
reference to `hypot'
obj/gcc/so_g/complex.o(.text+0x8ec): In function 
`ZN8stlp_std4logTIeEENS_7complexIT_EERKS3_':
c:/Utils/STLport/trunk/build/lib/../../src/complex.cpp:250: undefined 
reference to `hypot'
obj/gcc/so_g/complex.o(.text+0x9b1): In function 
`ZN8stlp_std4powTIeEENS_7complexIT_EERKS3_S5_':
c:/Utils/STLport/trunk/build/lib/../../src/complex.cpp:297: undefined 
reference to `hypot'
obj/gcc/so_g/complex.o(.text+0xae9):c:/Utils/STLport/trunk/build/lib/../../src/complex.cpp:287: 
more undefined references to `hypot' follow
c:/utils/msys/1.0/mingw/bin/../lib/gcc/mingw32/4.2.1/../../../libsupc++.a(pure.o)(.text$__cxa_pure_virtual+0x1e):pure.cc: 
undefined reference to `write'
fu000001.o(.idata$3+0xc): undefined reference to `libmsvcrt_a_iname'
fu000002.o(.idata$3+0xc): undefined reference to `libmsvcrt_a_iname'
fu000003.o(.idata$3+0xc): undefined reference to `libmsvcrt_a_iname'
fu000004.o(.idata$3+0xc): undefined reference to `libmsvcrt_a_iname'
nmth000000.o(.idata$4+0x0): undefined reference to `_nm__atexit)

   You see I have almost complete the task. I am missing mainly hypot 
and write symbols, where can I find those? Any feedback on the linker 
command is welcome.

In fact I would like to build STLport like libstdc++ is built, is there 
a way to see how this lib is built ? I would also appreciate any doc on 
the gcc components, what the crt0.o, crtbegin.o ... or all the libs do 
represent.

Thank you in advance.

Bests

François


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