Re: pgsql: Add compat file for dynamically loading the functions that MinGW

Hi Magnus.

Ooops, error happen by MinGW (gcc)....CVS-HEAD

$ make -s
signal.c: In function `pg_signal_thread':
signal.c:254: warning: unsigned int format, DWORD arg (arg 4)
mingwcompat.c:48: error: syntax error before "WAITORTIMERCALLBACK"
mingwcompat.c:54: error: syntax error before "WAITORTIMERCALLBACK"
mingwcompat.c:58: warning: no previous prototype for 'RegisterWaitForSingleObject'
mingwcompat.c: In function `RegisterWaitForSingleObject':
mingwcompat.c:73: error: `phNewWaitObject' undeclared (first use in this function)
mingwcompat.c:73: error: (Each undeclared identifier is reported only once
mingwcompat.c:73: error: for each function it appears in.)
mingwcompat.c:73: error: `hObject' undeclared (first use in this function)
mingwcompat.c:73: error: `Callback' undeclared (first use in this function)
mingwcompat.c:73: error: `Context' undeclared (first use in this function)
mingwcompat.c:73: error: `dwMilliseconds' undeclared (first use in this function)
mingwcompat.c:73: error: `dwFlags' undeclared (first use in this function)
make[4]: *** [mingwcompat.o] Error 1
make[3]: *** [win32.dir] Error 2
make[2]: *** [port-recursive] Error 2
make[1]: *** [all] Error 2
make: *** [all] Error 2

/END
However, this patch is good.

*** src/backend/port/win32/mingwcompat.c.orig Wed Oct 31 14:28:51 2007
--- src/backend/port/win32/mingwcompat.c Wed Oct 31 14:55:43 2007
***************
*** 20,25 ****
--- 20,27 ----
*/
#ifndef WIN32_ONLY_COMPILER

+ typedef WAITORTIMERCALLBACKFUNC WAITORTIMERCALLBACK;
+
static HMODULE kernel32 = NULL;

/*

Furthermore, .....

make[3]: Entering directory `/home/hiroshi/pgsql/src/backend/postmaster'
gcc -O2 -Wall -Wmissing-prototypes -Wpointer-arith -Winline -Wdeclaration-after-statement -Wendif-labels
-fno-strict-aliasing -I../../../src/include -I./src/include/port/win32 -DEXEC_BACKEND
"-I../../../src/include/port/win32" -DBUILDING_DLL -c -o postmaster.o postmaster.c
postmaster.c: In function `internal_forkexec':
postmaster.c:3466: warning: implicit declaration of function `RegisterWaitForSingleObject'
postmaster.c:3471: error: `WT_EXECUTEONLYONCE' undeclared (first use in this function)
postmaster.c:3471: error: (Each undeclared identifier is reported only once
postmaster.c:3471: error: for each function it appears in.)
postmaster.c:3471: error: `WT_EXECUTEINWAITTHREAD' undeclared (first use in this function)
postmaster.c: In function `pgwin32_deadchild_callback':
postmaster.c:4520: warning: implicit declaration of function `UnregisterWaitEx'
make[3]: *** [postmaster.o] Error 1
make[3]: Leaving directory `/home/hiroshi/pgsql/src/backend/postmaster'
make[2]: *** [postmaster-recursive] Error 2
make[2]: Leaving directory `/home/hiroshi/pgsql/src/backend'
make[1]: *** [all] Error 2
make[1]: Leaving directory `/home/hiroshi/pgsql/src'
make: *** [all] Error 2
/END

Umm, define _WIN32_WINNT 0x0500(c.h) is ignore?_?

Regards,
Hiroshi Saito

From: "Magnus Hagander" <mha(at)postgresql(dot)org>

> Log Message:
> -----------
> Add compat file for dynamically loading the functions that MinGW is missing
> the imports for. Add RegisterWaitForSingleObject() to the list of such
> functions, which should take care of the current buildfarm breakage.
>
> Modified Files:
> --------------
> pgsql/src/backend/port/win32:
> Makefile (r1.10 -> r1.11)
>
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/port/win32/Makefile?r1=1.10&r2=1.11)
>
> Added Files:
> -----------
> pgsql/src/backend/port/win32:
> mingwcompat.c (r1.1)
>
> (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/backend/port/win32/mingwcompat.c?rev=1.1&content-type=text/x-cvsweb-markup)
>
> ---------------------------(end of broadcast)---------------------------
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