Fix gdb 8.1 Solaris compilation
I just tried to compile gdb trunk on Solaris 11.4 (formerly 12), and
failed for a couple of reasons:
*
In file included from /usr/include/python2.7/Python.h:128:0,
from /vol/src/gnu/gdb/gdb/dist/gdb/python/python-internal.h:94,
from /vol/src/gnu/gdb/gdb/dist/gdb/python/py-instruction.h:23,
from /vol/src/gnu/gdb/gdb/dist/gdb/python/py-instruction.c:21:
/usr/include/python2.7/ceval.h:67:0: error: ignoring #pragma no_inline [-Werror=unknown-pragmas]
#pragma no_inline(PyEval_EvalFrameEx)
^
New in Solaris 11.4: <python2.7/ceval.h> uses a Studio-only #pragma.
I've disabled the warning in warnings.m4.
*
/vol/src/gnu/gdb/gdb/dist/gdb/ser-pipe.c: In function ‘int pipe_open(serial*, const char*)’:
/vol/src/gnu/gdb/gdb/dist/gdb/ser-pipe.c:77:9: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations]
pid = vfork ();
^
/vol/src/gnu/gdb/gdb/dist/gdb/ser-pipe.c:77:16: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations]
pid = vfork ();
^
Since Solaris 11, vfork () is marked deprecated in <unistd.h>.
cf. vfork(2):
The vfork() and vforkx() functions are deprecated. Their sole legiti-
mate use as a prelude to an immediate call to a function from the exec
family can be achieved safely by posix_spawn(3C) or posix_spawnp(3C).
Again, I've disabled the warning.
*
/vol/src/gnu/gdb/gdb/dist/gdb/cli/cli-cmds.c: In function ‘void shell_escape(const char*, int)’:
/vol/src/gnu/gdb/gdb/dist/gdb/cli/cli-cmds.c:750:14: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations]
if ((pid = vfork ()) == 0)
^
/vol/src/gnu/gdb/gdb/dist/gdb/cli/cli-cmds.c:750:21: error: ‘pid_t vfork()’ is deprecated (declared at /usr/include/unistd.h:659) [-Werror=deprecated-declarations]
if ((pid = vfork ()) == 0)
^
Same problem.
*
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c: In function ‘void procfs_init_inferior(target_ops*, int)’:
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c:4380:30: error: ‘START_INFERIOR_TRAPS_EXPECTED’ was not declared in this scope
gdb_startup_inferior (pid, START_INFERIOR_TRAPS_EXPECTED);
^
defined in nat/fork-inferior.h, need to include that header
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c: In function ‘void procfs_create_inferior(target_ops*, const char*, const string&, char**, int)’:
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c:4605:38: error: ‘fork_inferior’ was not declared in this scope
NULL, NULL, shell_file, NULL);
^
likewise
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c: In function ‘void procfs_info_proc(target_ops*, const char*, info_proc_what)’:
/vol/src/gnu/gdb/gdb/dist/gdb/procfs.c:5124:20: error: ‘argv’ was not declared in this scope
for (char *arg : argv)
^
Typo, should be built_argv instead!
*
Undefined first referenced
symbol in file
fork_inferior(char const*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, char**, void (*)(), void (*)(int), void (*)(), char const*, void (*)(char const*, char* const*, char* const*)) procfs.o
startup_inferior(int, int, target_waitstatus*, ptid_t*) fork-child.o
ld: fatal: symbol referencing errors
collect2: error: ld returned 1 exit status
make[2]: *** [Makefile:2249: gdb] Error 1
Need to add fork-inferior.o to NATDEPFILES.
With the changes below, I can build gdb on sparcv9-sun-solaris2.11 and
amd64-pc-solaris2.11 and a simple smoke test (gdb/gdb gdb/gdb) works.
This commit is contained in:
Rainer Orth
parent
7790bd6c74
commit
4fa7574eec
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@ -1,3 +1,16 @@
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2017-09-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* configure.nat <i386sol2,i386>: Add fork-inferior.o to NATDEPFILES.
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<sol2,sparc>: Likewise.
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<sol2-64,i386>: Likewise.
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* warning.m4 (AM_GDB_WARNINGS): Disable -Wunknown-pragmas,
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-Wdeprecated-declarations on *-*-solaris*.
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* configure: Regenerate.
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* procfs.c: Include "nat/inferior.h".
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(procfs_info_proc): Fix typo.
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2017-09-21 Kevin Buettner <kevinb@redhat.com>
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* remote.c (vector): Include.
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@ -15155,10 +15155,17 @@ build_warnings="-Wall -Wpointer-arith \
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-Wno-sign-compare -Wno-narrowing -Wno-error=maybe-uninitialized \
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-Wno-mismatched-tags"
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# Enable -Wno-format by default when using gcc on mingw since many
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# GCC versions complain about %I64.
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case "${host}" in
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*-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
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*-*-mingw32*)
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# Enable -Wno-format by default when using gcc on mingw since many
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# GCC versions complain about %I64.
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build_warnings="$build_warnings -Wno-format" ;;
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*-*-solaris*)
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# Solaris 11.4 <python2.7/ceval.h> uses #pragma no_inline that GCC
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# doesn't understand.
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build_warnings="$build_warnings -Wno-unknown-pragmas"
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# Solaris 11 <unistd.h> marks vfork deprecated.
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build_warnings="$build_warnings -Wno-deprecated-declarations" ;;
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*) build_warnings="$build_warnings -Wformat-nonliteral" ;;
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esac
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@ -216,7 +216,8 @@ case ${gdb_host} in
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case ${gdb_host_cpu} in
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i386)
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# Host: Solaris x86
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NATDEPFILES='fork-child.o i386-v4-nat.o i386-sol2-nat.o \
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NATDEPFILES='fork-child.o fork-inferior.o \
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i386-v4-nat.o i386-sol2-nat.o \
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procfs.o proc-api.o proc-events.o proc-flags.o proc-why.o'
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HAVE_NATIVE_GCORE_HOST=1
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;;
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@ -464,7 +465,7 @@ case ${gdb_host} in
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# Host: Solaris SPARC & UltraSPARC
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NAT_FILE='nm-sol2.h'
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NATDEPFILES='sparc-sol2-nat.o \
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fork-child.o \
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fork-child.o fork-inferior.o \
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procfs.o proc-api.o proc-events.o proc-flags.o proc-why.o'
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HAVE_NATIVE_GCORE_HOST=1
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;;
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@ -474,7 +475,8 @@ case ${gdb_host} in
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case ${gdb_host_cpu} in
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i386)
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# Host: Solaris x86_64
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NATDEPFILES='fork-child.o amd64-nat.o i386-v4-nat.o i386-sol2-nat.o \
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NATDEPFILES='fork-child.o fork-inferior.o \
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amd64-nat.o i386-v4-nat.o i386-sol2-nat.o \
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procfs.o proc-api.o proc-events.o proc-flags.o proc-why.o'
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HAVE_NATIVE_GCORE_HOST=1
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;;
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@ -30,6 +30,7 @@
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#include "gdbthread.h"
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#include "regcache.h"
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#include "inf-child.h"
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#include "nat/fork-inferior.h"
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#include "filestuff.h"
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#if defined (NEW_PROC_API)
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@ -5121,7 +5122,7 @@ procfs_info_proc (struct target_ops *ops, const char *args,
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old_chain = make_cleanup (null_cleanup, 0);
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gdb_argv built_argv (args);
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for (char *arg : argv)
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for (char *arg : built_argv)
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{
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if (isdigit (arg[0]))
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{
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@ -43,10 +43,17 @@ build_warnings="-Wall -Wpointer-arith \
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-Wno-sign-compare -Wno-narrowing -Wno-error=maybe-uninitialized \
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-Wno-mismatched-tags"
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# Enable -Wno-format by default when using gcc on mingw since many
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# GCC versions complain about %I64.
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case "${host}" in
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*-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
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*-*-mingw32*)
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# Enable -Wno-format by default when using gcc on mingw since many
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# GCC versions complain about %I64.
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build_warnings="$build_warnings -Wno-format" ;;
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*-*-solaris*)
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# Solaris 11.4 <python2.7/ceval.h> uses #pragma no_inline that GCC
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# doesn't understand.
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build_warnings="$build_warnings -Wno-unknown-pragmas"
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# Solaris 11 <unistd.h> marks vfork deprecated.
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build_warnings="$build_warnings -Wno-deprecated-declarations" ;;
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*) build_warnings="$build_warnings -Wformat-nonliteral" ;;
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esac
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