error: conflicting types for 'sigaltstack' when compiling on MacOSX 10.9

[albertz]

cc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_MACVIM -Wall -Wno-unknown-pragmas -pipe  -DMACOS_X_UNIX -no-cpp-precomp  -O2 -fno-strength-reduce -Wall -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1       -o objects/os_unix.o os_unix.c
clang: warning: argument unused during compilation: '-fno-strength-reduce'
os_unix.c:830:46: warning: declaration of 'struct sigaltstack' will not be
      visible outside of this function [-Wvisibility]
        extern int sigaltstack __ARGS((const struct sigaltstack *ss, str...
                                                    ^
./os_unix.h:88:21: note: expanded from macro '__ARGS'
#  define __ARGS(x) x
                    ^
os_unix.c:830:13: error: conflicting types for 'sigaltstack'
        extern int sigaltstack __ARGS((const struct sigaltstack *ss, str...
                   ^
/usr/include/signal.h:85:5: note: previous declaration is here
int     sigaltstack(const stack_t * __restrict, stack_t * __restrict)  _...
        ^
1 warning and 1 error generated.
make[1]: *** [objects/os_unix.o] Error 1
make: *** [first] Error 2

My configure:

./configure --with-features=huge --enable-cscope --enable-pythoninterp --enable-rubyinterp --enable-perlinterp 

[wpp]

thanks for your fix @albertz

[ernsheong]

Encountered same issue here.

gcc -c -I. -Iproto -DHAVE_CONFIG_H -DFEAT_GUI_MACVIM -Wall -Wno-unknown-pragmas -pipe  -DMACOS_X_UNIX -no-cpp-precomp  -g -O2 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=1       -o objects/os_unix.o os_unix.c
os_unix.c:830:46: warning: declaration of 'struct sigaltstack' will not be visible outside of this function
      [-Wvisibility]
        extern int sigaltstack __ARGS((const struct sigaltstack *ss, struct sigaltstack *oss));
                                                    ^
./os_unix.h:88:21: note: expanded from macro '__ARGS'
#  define __ARGS(x) x
                    ^
os_unix.c:830:13: error: conflicting types for 'sigaltstack'
        extern int sigaltstack __ARGS((const struct sigaltstack *ss, struct sigaltstack *oss));
                   ^
/usr/include/signal.h:85:5: note: previous declaration is here
int     sigaltstack(const stack_t * __restrict, stack_t * __restrict)  __DARWIN_ALIAS(sigaltstack);
        ^
1 warning and 1 error generated.
make: *** [objects/os_unix.o] Error 1

[imtiazwazir]

I am also getting above error

[4fthawaiian]

Yeah. If it's "fixed upstream", where's the fix? :(

[alloy]

I have little time atm. I would love to see a PR that rebases on top of the current upstream version.

For the long run, I’d like to have a Cocoa plugin version of this that just loads into builds of the upstream version, possibly monkey-patching some things in MacVim at runtime as a plugin architecture isn’t happening soon.

[kyleget]

+1