https://sourceware.org/bugzilla/show_bug.cgi?id=25155
Bug ID: 25155
Summary: libctf directory doesn't compile with MinGW
Product: binutils
Version: 2.33
Status: NEW
Severity: normal
Priority: P2
Component: binutils
Assignee: unassigned at sourceware dot org
Reporter: eliz at gnu dot org
Target Milestone: ---
Building Binutils 2.33.1 with mingw.org's MinGW fails in the libctf directory
due to several minor problems.
1. Compilation warning in ctf-dump.c:
mingw32-gcc -DHAVE_CONFIG_H -I. -I../../binutils-2.33.1/libctf
-D_GNU_SOURCE -I../../binutils-2.33.1/libctf
-I../../binutils-2.33.1/libctf/../include -I../../binutils-2.33.1/libctf/../bfd
-I../bfd -std=gnu99 -Wall -W -Wall -Wno-narrowing -Wwrite-strings
-Wmissing-format-attribute -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition -pedantic -Wno-long-long -O2 -gdwarf-4 -g3
-D__USE_MINGW_ACCESS -MT ctf-dump.o -MD -MP -MF .deps/ctf-dump.Tpo -c -o
ctf-dump.o ../
../binutils-2.33.1/libctf/ctf-dump.c
../../binutils-2.33.1/libctf/ctf-dump.c: In function
'ctf_dump_format_type':
../../binutils-2.33.1/libctf/ctf-dump.c:118:8: warning: implicit
declaration of function 'asprintf'; did you mean 'vasprintf'?
[-Wimplicit-function-declaration]
if (asprintf (&bit, " %lx: [slice 0x%x:0x%x]",
^~~~~~~~
vasprintf
This is because libctf/config.h doesn't have HAVE_DECL_ASPRINTF, as the
other config.h files do. And libiberty.h uses the following guard for the
asprintf declaration:
#if defined(HAVE_DECL_ASPRINTF) && !HAVE_DECL_ASPRINTF
/* Like sprintf but provides a pointer to malloc'd storage, which must
be freed by the caller. */
extern int asprintf (char **, const char *, ...) ATTRIBUTE_PRINTF_2;
#endif
2. Compilation error in ctf-create.c:
mingw32-gcc -DHAVE_CONFIG_H -I. -I../../binutils-2.33.1/libctf
-D_GNU_SOURCE -I../../binutils-2.33.1/libctf
-I../../binutils-2.33.1/libctf/../include -I../../binutils-2.33.1/libctf/../bfd
-I../bfd -std=gnu99 -Wall -W -Wall -Wno-narrowing -Wwrite-strings
-Wmissing-format-attribute -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition -pedantic -Wno-long-long -O2 -gdwarf-4 -g3
-D__USE_MINGW_ACCESS -MT ctf-create.o -MD -MP -MF .deps/ctf-create.Tpo -c -o
ctf-create.o ../../binutils-2.33.1/libctf/ctf-create.c
../../binutils-2.33.1/libctf/ctf-create.c: In function 'ctf_add_function':
../../binutils-2.33.1/libctf/ctf-create.c:950:32: error: 'EOVERFLOW'
undeclared (first use in this function); did you mean 'EI_VERSION'?
return (ctf_set_errno (fp, EOVERFLOW));
^~~~~~~~~
EI_VERSION
I fixed this by adding
#ifndef EOVERFLOW
# define EOVERFLOW ERANGE
#endif
to ctf-create.c. ERANGE is not exactly EOVERFLOW, but it's close enough.
3. Compilation error in ctf-subr.c:
mingw32-gcc -DHAVE_CONFIG_H -I. -I../../binutils-2.33.1/libctf
-D_GNU_SOURCE -I../../binutils-2.33.1/libctf
-I../../binutils-2.33.1/libctf/../include -I../../binutils-2.33.1/libctf/../bfd
-I../bfd -std=gnu99 -Wall -W -Wall -Wno-narrowing -Wwrite-strings
-Wmissing-format-attribute -Wstrict-prototypes -Wmissing-prototypes
-Wold-style-definition -pedantic -Wno-long-long -O2 -gdwarf-4 -g3 -D__USE
_MINGW_ACCESS -MT ctf-subr.o -MD -MP -MF .deps/ctf-subr.Tpo -c -o
ctf-subr.o ../
../binutils-2.33.1/libctf/ctf-subr.c
../../binutils-2.33.1/libctf/ctf-subr.c: In function 'ctf_version':
../../binutils-2.33.1/libctf/ctf-subr.c:159:12: error: 'ENOTSUP'
undeclared (first use in this function); did you mean 'ENOTTY'?
errno = ENOTSUP;
^~~~~~~
ENOTTY
../../binutils-2.33.1/libctf/ctf-subr.c:159:12: note: each undeclared
identifier is reported only once for each function it appears in
I fixed this by adding
#ifndef ENOTSUP
# define ENOTSUP ENOSYS
#endif
at the beginning of ctf-subr.c.
Thank you for developing Binutils.
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