hi,
I'm using libserialport from git to acquire a spectro-photometer that
has a classical serial interface and I need to be cross platform.
On Linux all work well.
On MSYS2/mingw64 seems all work well (as now not extensively tested).
On Cygwin64 after the configure step, the make fail with error below.
What I'm missing?
thank you,
Valerio
$ ./configure
...
libserialport configuration summary:
- Package version................. 0.1.1
- Library ABI version............. 1:0:1
- Prefix.......................... /usr/local
- Building on..................... x86_64-unknown-cygwin
- Building for.................... x86_64-unknown-cygwin
- Building shared / static........ yes / yes
Compile configuration:
- C compiler...................... gcc
- C compiler version.............. gcc (GCC) 7.4.0
- C compiler flags................ -g -O2
- Linker flags....................
user@HOST /cygdrive/d/AMBIENTE/Documents/c/libserialport
$ make
make all-am
CC serialport.lo
serialport.c: In function 'sp_get_port_by_name':
serialport.c:85:14: warning: implicit declaration of function
'realpath'; did you mean 'realloc'? [-Wimplicit-function-declaration]
char *res = realpath(portname, pathbuf);
^~~~~~~~
realloc
serialport.c:85:14: warning: initialization makes pointer from integer
without a cast [-Wint-conversion]
serialport.c: In function 'sp_blocking_write':
serialport.c:811:2: error: unknown type name 'fd_set'; did you mean
'nfds_t'?
fd_set fds;
^~~~~~
nfds_t
serialport.c:821:3: warning: implicit declaration of function
'timeradd'; did you mean 'timegm'? [-Wimplicit-function-declaration]
timeradd(&start, &delta, &end);
^~~~~~~~
timegm
serialport.c:824:2: warning: implicit declaration of function 'FD_ZERO'
[-Wimplicit-function-declaration]
FD_ZERO(&fds);
^~~~~~~
serialport.c:825:2: warning: implicit declaration of function 'FD_SET';
did you mean 'F_SETLK'? [-Wimplicit-function-declaration]
FD_SET(port->fd, &fds);
^~~~~~
F_SETLK
serialport.c:836:8: warning: implicit declaration of function
'timercmp'; did you mean 'timegm'? [-Wimplicit-function-declaration]
if (timercmp(&now, &end, >))
^~~~~~~~
timegm
serialport.c:836:29: error: expected expression before '>' token
if (timercmp(&now, &end, >))
^
serialport.c:839:4: warning: implicit declaration of function
'timersub'; did you mean 'utimes'? [-Wimplicit-function-declaration]
timersub(&end, &now, &delta);
^~~~~~~~
utimes
serialport.c:841:12: warning: implicit declaration of function 'select';
did you mean 'sleep'? [-Wimplicit-function-declaration]
result = select(port->fd + 1, NULL, &fds, NULL, timeout_ms ? &delta
: NULL);
^~~~~~
sleep
serialport.c: In function 'sp_blocking_read':
serialport.c:1037:2: error: unknown type name 'fd_set'; did you mean
'nfds_t'?
fd_set fds;
^~~~~~
nfds_t
serialport.c:1062:29: error: expected expression before '>' token
if (timercmp(&now, &end, >))
^
serialport.c: In function 'sp_blocking_read_next':
serialport.c:1174:2: error: unknown type name 'fd_set'; did you mean
'nfds_t'?
fd_set fds;
^~~~~~
nfds_t
serialport.c:1199:29: error: expected expression before '>' token
if (timercmp(&now, &end, >))
^
serialport.c: In function 'sp_output_waiting':
serialport.c:1334:22: error: 'TIOCOUTQ' undeclared (first use in this
function); did you mean 'TIOCPKT'?
if (ioctl(port->fd, TIOCOUTQ, &bytes_waiting) < 0)
^~~~~~~~
TIOCPKT
serialport.c:1334:22: note: each undeclared identifier is reported only
once for each function it appears in
serialport.c: In function 'sp_wait':
serialport.c:1502:29: error: expected expression before '>' token
if (timercmp(&now, &end, >)) {
^
serialport.c:1507:57: error: expected expression before '>' token
if ((timeout_overflow = timercmp(&delta, &max_delta, >)))
^
make[1]: *** [Makefile:528: serialport.lo] Error 1
make: *** [Makefile:399: all] Error 2
user@HOST /cygdrive/d/AMBIENTE/Documents/c/libserialport
$ uname -a
CYGWIN_NT-6.1 HOST 3.0.4(0.338/5/3) 2019-03-16 09:50 x86_64 Cygwin
user@HOST /cygdrive/d/AMBIENTE/Documents/c/libserialport
$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-pc-cygwin/7.4.0/lto-wrapper.exe
Target: x86_64-pc-cygwin
Configured with:
/cygdrive/i/szsz/tmpp/gcc/gcc-7.4.0-1.x86_64/src/gcc-7.4.0/configure
--srcdir=/cygdrive/i/szsz/tmpp/gcc/gcc-7.4.0-1.x86_64/src/gcc-7.4.0
--prefix=/usr --exec-prefix=/usr --localstatedir=/var --sysconfdir=/etc
--docdir=/usr/share/doc/gcc --htmldir=/usr/share/doc/gcc/html -C
--build=x86_64-pc-cygwin --host=x86_64-pc-cygwin
--target=x86_64-pc-cygwin --without-libiconv-prefix
--without-libintl-prefix --libexecdir=/usr/lib --enable-shared
--enable-shared-libgcc --enable-static
--enable-version-specific-runtime-libs --enable-bootstrap
--enable-__cxa_atexit --with-dwarf2 --with-tune=generic
--enable-languages=ada,c,c++,fortran,lto,objc,obj-c++ --enable-graphite
--enable-threads=posix --enable-libatomic --enable-libcilkrts
--enable-libgomp --enable-libitm --enable-libquadmath
--enable-libquadmath-support --disable-libssp --enable-libada
--disable-symvers --with-gnu-ld --with-gnu-as
--with-cloog-include=/usr/include/cloog-isl --without-libiconv-prefix
--without-libintl-prefix --with-system-zlib --enable-linker-build-id
--with-default-libstdcxx-abi=gcc4-compatible
--enable-libstdcxx-filesystem-ts
Thread model: posix
gcc version 7.4.0 (GCC)
--
Valerio
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