p5pRT
commented
6 years ago From @dur-randir
Created by @dur-randir
While building perl using mingw64 + dmake\, I've encountered the following compilation warnings:
gcc -c -I.\include -I. -I.. -DWIN32 -DWIN64 -DCONSERVATIVE -DPERLDLL -DPERL_CORE -s -O2 -fwrapv -fno-strict-aliasing -DPERL_EXTERNAL_GLOB -DPERL_IS_MINIPERL -omini\globals.o ..\globals.c In file included from ..\perl.h:28:0\, from ..\globals.c:32: ./config.h:3738:73: warning: excess elements in array initializer #define LONGDBLINFBYTES 0x00\, 0x00\, 0x00\, 0x00\, 0x00\, 0x00\, 0x00\, 0x80\, 0xff\, 0x7f\, 0x00\, 0x00 /**/ ^ ..\perl.h:6728:32: note: in expansion of macro 'LONGDBLINFBYTES' INFNAN_U8_NV_DECL PL_inf = { { LONGDBLINFBYTES } };
./config.h:3739:91: note: (near initialization for 'PL_nan.u8') #define LONGDBLNANBYTES 0x00\, 0x00\, 0x00\, 0x00\, 0x00\, 0x00\, 0x00\, 0xc0\, 0xff\, 0xff\, 0x00\, 0x00 /**/
^
gcc -c -I.\include -I. -I.. -DWIN32 -DWIN64 -DCONSERVATIVE -DPERLDLL
-DPERL_CORE -s -O2 -fwrapv -fno-strict-aliasing -DPERL_EXTERNAL_GLOB
-DPERL_IS_MINIPERL -omini\locale.o ..\locale.c
In file included from ..\perl.h:5300:0\,
from ..\locale.c:49:
..\locale.c: In function 'S_my_nl_langinfo':
..\embed.h:1638:25: warning: ignoring return value of
'S_save_to_buffer'\, declared with attribute warn_unused_result
[-Wunused-result]
#define save_to_buffer S_save_to_buffer
..\embed.h:1638:25: note: in definition of macro 'save_to_buffer'
#define save_to_buffer S_save_to_buffer
^~~~
gcc -c -s -O2 -DWIN32 -DWIN64 -DCONSERVATIVE
-DPERL_TEXTMODE_SCRIPTS -fwrapv -fno-strict-aliasing -mms-bitfields
-DPERLDLL -s -O2 -DVERSION=\"3.39\" -DXS_VERSION=\"3.39\"
"-I..\.
lib\CORE" RealPPPort.c
In file included from RealPPPort.xs:31:0:
RealPPPort.xs: In function 'XS_Devel__PPPort_ptrtests':
..\..\lib\CORE/perl.h:1729:26: warning: cast from pointer to integer
of different size [-Wpointer-to-int-cast]
# define INT2PTR(any\,d) (any)(d)
^
..\..\lib\CORE/perl.h:1742:21: note: in expansion of macro 'INT2PTR'
# define PTR2ul(p) INT2PTR(unsigned long\,p)
^~~
RealPPPort.xs:1650:27: note: in expansion of macro 'PTR2ul'
RETVAL += PTR2ul(p) != 0UL ? 2 : 0;
^
gcc -c -s -O2 -DWIN32 -DWIN64 -DCONSERVATIVE
-DPERL_TEXTMODE_SCRIPTS -fwrapv -fno-strict-aliasing -mms-bitfields
-DPERLDLL -s -O2 -DVERSION=\"3.06\" -DXS_VERSION=\"3
lib\CORE" Storable.c
Storable.xs: In function 'known_class':
Storable.xs:570:31: warning: cast from pointer to integer of different
size [-Wpointer-to-int-cast]
#define LOW_32BITS(x) ((I32) ((unsigned long) (x) & 0xffffffffUL))
^
Storable.xs:2309:21: note: in expansion of macro 'LOW_32BITS'
*classnum = LOW_32BITS(*svh);
^
Storable.xs: In function 'store_scalar':
Storable.xs:644:6: warning: cast from pointer to integer of different
size [-Wpointer-to-int-cast]
((unsigned long) (x) == trunc_int(x))
^
Storable.xs:804:13: note: in expansion of macro 'int_aligned'
if (int_aligned(mptr)) \
^~~
Storable.xs:1028:13: note: in expansion of macro 'MBUF_PUTINT'
MBUF_PUTINT(x); \
^~~
Storable.xs:2535:13: note: in expansion of macro 'WRITE_I32'
WRITE_I32(niv);
^
Storable.xs:644:6: warning: cast from pointer to integer of different
size [-Wpointer-to-int-cast]
((unsigned long) (x) == trunc_int(x))
^
Storable.xs:804:13: note: in expansion of macro 'int_aligned'
if (int_aligned(mptr)) \
^~~
Storable.xs:1051:17: note: in expansion of macro 'MBUF_PUTINT'
MBUF_PUTINT(y); \
^~~
Storable.xs:1126:13: note: in expansion of macro 'WLEN'
WLEN(ilen); \
^~~~
Storable.xs:2603:13: note: in expansion of macro 'STORE_PV_LEN'
STORE_PV_LEN((const char *)mg->mg_ptr\,
^
Storable.xs:644:6: warning: cast from pointer to integer of different
size [-Wpointer-to-int-cast]
((unsigned long) (x) == trunc_int(x))
^
Storable.xs:804:13: note: in expansion of macro 'int_aligned'
if (int_aligned(mptr)) \
^~~
Storable.xs:1051:17: note: in expansion of macro 'MBUF_PUTINT'
MBUF_PUTINT(y); \
^~~
Storable.xs:1126:13: note: in expansion of macro 'WLEN'
WLEN(ilen); \
^~~~
Storable.xs:304:32: note: in expansion of macro 'STORE_PV_LEN'
#define STORE_UTF8STR(pv\, len) STORE_PV_LEN(pv\, len\, SX_UTF8STR\, SX_LUTF8STR)
^~~~
Storable.xs:2610:13: note: in expansion of macro 'STORE_UTF8STR'
STORE_UTF8STR(pv\, wlen);
^
Storable.xs:642:23: warning: cast from pointer to integer of different
size [-Wpointer-to-int-cast]
((unsigned long) ((unsigned long) (x) & ~(sizeof(int)-1)))
^
Storable.xs:644:29: note: in expansion of macro 'trunc_int'
((unsigned long) (x) == trunc_int(x))
^~~~~
Storable.xs:804:13: note: in expansion of macro 'int_aligned'
if (int_aligned(mptr)) \
^~~
Storable.xs:1051:17: note: in expansion of macro 'MBUF_PUTINT'
MBUF_PUTINT(y); \
^~~
Storable.xs:1126:13: note: in expansion of macro 'WLEN'
WLEN(ilen); \
^~~~
Storable.xs:1131:31: note: in expansion of macro 'STORE_PV_LEN'
#define STORE_SCALAR(pv\, len) STORE_PV_LEN(pv\, len\, SX_SCALAR\, SX_LSCALAR)
^~~~
Storable.xs:2612:13: note: in expansion of macro 'STORE_SCALAR'
STORE_SCALAR(pv\, wlen);
^
Storable.xs: In function 'old_retrieve_hash':
Storable.xs:644:6: warning: cast from pointer to integer of different
size [-Wpointer-to-int-cast]
((unsigned long) (x) == trunc_int(x))
^
Storable.xs:742:17: note: in expansion of macro 'int_aligned'
if (int_aligned(mptr)) \
^~~
Storable.xs:1176:13: note: in expansion of macro 'MBUF_GETINT'
MBUF_GETINT(x); \
^~~
Storable.xs:6930:5: note: in expansion of macro 'RLEN'
RLEN(len);
Note that for Storable\, I've copied just some instances of each warning type - they all seem to have the same cause\, so I saw no additional information in copying them all.
Generating a dmake-style Makefile Writing Makefile for Errno "..\..\miniperl.exe" "-I..\..\lib" Errno_pm.PL Errno.pm In file included from includes.c:4:0: c:/MinGW/mingw64/lib/gcc/x86_64-w64-mingw32/7.3.0/include/avx5124vnniwintrin.h:25:3: error: #error "Never use \<avx5124vnniwintrin.h> directly; include \<x86intrin.h> instead." # error "Never use \<avx5124vnniwintrin.h> directly; include \<x86intrin.h> instead."
perlhost.h: In function 'CPerlHost* IPerlProc2Host(IPerlProc*)':
perlhost.h:230:63: warning: offsetof within non-standard-layout type
'CPerlHost' is undefined [-Winvalid-offsetof]
#define STRUCT2RAWPTR(x\, y) (CPerlHost*)(((LPBYTE)x)-offsetof(CPerlHost\, y))
^
perlhost.h:237:38: note: in expansion of macro 'STRUCT2RAWPTR'
#define STRUCT2PTR(x\, y) CheckInterp(STRUCT2RAWPTR(x\, y))
^~~~~
perlhost.h:284:12: note: in expansion of macro 'STRUCT2PTR'
return STRUCT2PTR(piPerl\, m_hostperlProc);
^
khwilliamson
Migrated from rt.perl.org#133036 (status was 'open')
Searchable as RT133036$