Hi,
I'm trying to cross compile the libzmq for my arm stm32 unit and I'm facing
some issues. I'm a noob so I don't know if I'm missing something. Any help is
greatly appreciated!
I'm using Ubuntu 22.04 as my host, and I installed the `gcc-arm-linux-gnueabi,
gcc-arm-linux-gnueabihf, g++-arm-linux-gnueabi, g++-arm-linux-gnueabihf
packages and also the STM's sdk that comes with a set of cross compilers.
Here's what I've tried:
1. » ./configure --host=arm-none-linux-gnueabi CC=arm-linux-gnueabi-gcc
CXX=arm-linux-gnueabi-g++
* When I run `make check after this, I get the following errors.
Making check in doc
make[1]: Entering directory '/home/venkatkrishna/Documents/libzmq/doc'
make[1]: Nothing to be done for 'check'.
make[1]: Leaving directory '/home/venkatkrishna/Documents/libzmq/doc'
make[1]: Entering directory '/home/venkatkrishna/Documents/libzmq'
CXX src/libzmq_la-address.lo
In file included from /usr/arm-linux-gnueabihf/include/stdio.h:430,
from src/../include/zmq.h:32,
from src/precompiled.hpp:30,
from src/address.cpp:3:
/usr/include/x86_64-linux-gnu/bits/floatn.h:74:70: error: unknown machine mode
‘__TC__’
74 | typedef _Complex float __cfloat128 __attribute__ ((__mode__ (__TC__)));
| ^
/usr/include/x86_64-linux-gnu/bits/floatn.h:86:9: error: ‘__float128’ does not
name a type; did you mean ‘__cfloat128’?
86 | typedef __float128 _Float128;
| ^~~~~~~~~~
| __cfloat128
In file included from /usr/arm-linux-gnueabihf/include/c++/11/cwchar:44,
from
/usr/arm-linux-gnueabihf/include/c++/11/bits/postypes.h:40,
from
/usr/arm-linux-gnueabihf/include/c++/11/bits/char_traits.h:40,
from /usr/arm-linux-gnueabihf/include/c++/11/string:40,
from src/address.hpp:8,
from src/address.cpp:5:
/usr/arm-linux-gnueabihf/include/wchar.h:407:8: error: ‘_Float128’ does not
name a type; did you mean ‘_Float32x’?
407 | extern _Float128 wcstof128 (const wchar_t *__restrict __nptr,
| ^~~~~~~~~
| _Float32x
/usr/arm-linux-gnueabihf/include/wchar.h:524:8: error: ‘_Float128’ does not
name a type; did you mean ‘_Float32x’?
524 | extern _Float128 wcstof128_l (const wchar_t *__restrict __nptr,
| ^~~~~~~~~
| _Float32x
In file included from /usr/arm-linux-gnueabihf/include/c++/11/cstdlib:75,
from
/usr/arm-linux-gnueabihf/include/c++/11/ext/string_conversions.h:41,
from
/usr/arm-linux-gnueabihf/include/c++/11/bits/basic_string.h:6608,
from /usr/arm-linux-gnueabihf/include/c++/11/string:55,
from src/address.hpp:8,
from src/address.cpp:5:
/usr/arm-linux-gnueabihf/include/stdlib.h:153:8: error: ‘_Float128’ does not
name a type; did you mean ‘_Float32x’?
153 | extern _Float128 strtof128 (const char *__restrict __nptr,
| ^~~~~~~~~
| _Float32x
/usr/arm-linux-gnueabihf/include/stdlib.h:246:25: error: ‘_Float128’ has not
been declared
246 | _Float128 __f)
| ^~~~~~~~~
/usr/arm-linux-gnueabihf/include/stdlib.h:331:8: error: ‘_Float128’ does not
name a type; did you mean ‘_Float32x’?
331 | extern _Float128 strtof128_l (const char *__restrict __nptr,
| ^~~~~~~~~
| _Float32x
make[1]: *** [Makefile:5481: src/libzmq_la-address.lo] Error 1
make[1]: Leaving directory '/home/venkatkrishna/Documents/libzmq'
make: *** [Makefile:8436: check-recursive] Error 1
2.
I don't understand why it would pick the x86's include.
2. And then I read a thread on cross compiling for ARM for iPhone and it gave
me an idea to use the STM's sdk compilers.
*
a. I ran again the ./configure with the following flags - compilers and sysroot
pointing to the STM sdk
./configure --host=arm-ostl-linux-gnueabi
CC=/home/venkatkrishna/Documents/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi
arm-ostl-linux-gnueabi-gcc
CXX=/home/venkatkrishna/Documents/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-g++
CFLAGS="-O --sysroot
/home/venkatkrishna/Documents/STM/sdk/sysroots/cortexa7t2hf-neon-vfpv4-ostl-linux-gnueabi"
CXXFLAGS="-O --sysroot
/home/venkatkrishna/Documents/STM/sdk/sysroots/cortexa7t2hf-neon-vfpv4-ostl-linux-gnueabi"
LD=/home/venkatkrishna/Documents/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-ld
LDFLAGS="--sysroot
/home/venkatkrishna/Documents/STM/sdk/sysroots/cortexa7t2hf-neon-vfpv4-ostl-linux-gnueabi"
AR=/home/venkatkrishna/Documents/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-ar
AS=/home/venkatkrishna/Documents/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-as
STRIP=/home/venkatkrishna/Documents/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-strip
RANLIB=/home/venkatkrishna/Documents/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/bin/arm-ostl-linux-gnueabi/arm-ostl-linux-gnueabi-ranlib
b. When I run make check, I get an error saying the compiler doesn't work.
c. I tried using the compiler to compile a normal file and it fails with the
message below.
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find crt1.o: No such file or directory
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find crti.o: No such file or directory
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find crtbegin.o: No such file or directory
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find -lgcc: No such file or directory
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find -lgcc_s: No such file or directory
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find -lc: No such file or directory
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find -lgcc: No such file or directory
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find -lgcc_s: No such file or directory
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find crtend.o: No such file or directory
/STM/sdk/sysroots/x86_64-ostl_sdk-linux/usr/libexec/arm-ostl-linux-gnueabi/gcc/arm-ostl-linux-gnueabi/12.2.0/ld:
cannot find crtn.o: No such file or directory
Again, I don't understand this because under my sdk usr folder there
are two folders lib and libexec. The lib folder contains these object files but
the ld is complaining that it can't find.
Any help is greatly appreciated.
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