Fix __ARM_ARCH_5__ macro handling for Android NDK (ARMv7)

* src/atomic_ops/sysdeps/gcc/arm.h (__ARM_ARCH_7__, __ARM_ARCH_7A__):
Recognize to override __ARM_ARCH_5xx__ macros (since Android NDK GCC
defines both for armv7); update comment.

Merge branch 'ao_val_cas'

.gitignore: Ignore Gcov files (.gcda, .gcno)

.gitignore: Ignore binary files (.a, .exe, .o, etc.) in all folders

Update ChangeLog

configure: Do not pass '-Wextra' option to GCC if unsupported

* configure.ac (WEXTRA): New variable (set to "-Wextra" if the latter
is supported by GCC, otherwise to "-W").
* configure.ac (CFLAGS): Use WEXTRA variable.

Define NDEBUG via config.h instead of CFLAGS;
do not define NDEBUG if '--enable-assertions' passed to configure

* configure.ac (CFLAGS): Do not add "-DNDEBUG".
* configure.ac (assertions): New AC argument.
* configure.ac (NDEBUG): New AC macro (defined only if "assertions"
AC argument is not set to "yes").

Recognize AO_PREFER_GENERALIZED to favor generalization over asm (MIPS)

* src/atomic_ops/sysdeps/gcc/mips.h (AO_fetch_and_add,
AO_HAVE_fetch_and_add, AO_test_and_set, AO_HAVE_test_and_set): Do not
define if AO_PREFER_GENERALIZED.

Update ChangeLog

Add new macro (AO_PREFER_GENERALIZED) to favor generalized primitives
over direct assembly-based ones

* configure.ac (AO_PREFER_GENERALIZED): New AC template.
* src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_test_and_set,
AO_HAVE_test_and_set, AO_fetch_and_add, AO_HAVE_fetch_and_add,
AO_fetch_and_add1, AO_HAVE_fetch_and_add1, AO_fetch_and_sub1,
AO_HAVE_fetch_and_sub1): Do not define if AO_PREFER_GENERALIZED.
* src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set,
AO_HAVE_test_and_set, AO_fetch_and_add, AO_HAVE_fetch_and_add,
AO_fetch_and_add1, AO_HAVE_fetch_and_add1, AO_fetch_and_sub1,
AO_HAVE_fetch_and_sub1): Likewise.
* src/atomic_ops/sysdeps/gcc/avr32.h (AO_test_and_set_full,
AO_HAVE_test_and_set_full): Likewise.
* src/atomic_ops/sysdeps/gcc/hexagon.h (AO_fetch_and_add,
AO_HAVE_fetch_and_add, AO_test_and_set, AO_HAVE_test_and_set):
Likewise.
* src/atomic_ops/sysdeps/gcc/ia64.h (AO_fetch_and_add1_acquire,
AO_HAVE_fetch_and_add1_acquire, AO_fetch_and_add1_release,
AO_HAVE_fetch_and_add1_release, AO_fetch_and_sub1_acquire,
AO_HAVE_fetch_and_sub1_acquire, AO_fetch_and_sub1_release,
AO_HAVE_fetch_and_sub1_release, AO_int_fetch_and_add1_acquire,
AO_HAVE_int_fetch_and_add1_acquire, AO_int_fetch_and_add1_release,
AO_HAVE_int_fetch_and_add1_release, AO_int_fetch_and_sub1_acquire,
AO_HAVE_int_fetch_and_sub1_acquire, AO_int_fetch_and_sub1_release,
AO_HAVE_int_fetch_and_sub1_release): Likewise.
* src/atomic_ops/sysdeps/gcc/powerpc.h (AO_test_and_set,
AO_HAVE_test_and_set, AO_test_and_set_acquire,
AO_HAVE_test_and_set_acquire, AO_test_and_set_release,
AO_HAVE_test_and_set_release, AO_test_and_set_full,
AO_HAVE_test_and_set_full): Likewise.
* src/atomic_ops/sysdeps/gcc/x86.h (AO_fetch_and_add_full,
AO_HAVE_fetch_and_add_full, AO_and_full, AO_HAVE_and_full,
AO_or_full, AO_HAVE_or_full, AO_xor_full, AO_HAVE_xor_full): Likewise.
* src/atomic_ops/sysdeps/gcc/x86_64.h (AO_fetch_and_add_full,
AO_HAVE_fetch_and_add_full, AO_and_full, AO_HAVE_and_full, AO_or_full,
AO_HAVE_or_full, AO_xor_full, AO_HAVE_xor_full): Likewise.
* src/atomic_ops/sysdeps/hpc/ia64.h (AO_fetch_and_add1_acquire,
AO_HAVE_fetch_and_add1_acquire, AO_fetch_and_add1_release,
AO_HAVE_fetch_and_add1_release, AO_fetch_and_sub1_acquire,
AO_HAVE_fetch_and_sub1_acquire, AO_fetch_and_sub1_release,
AO_HAVE_fetch_and_sub1_release): Likewise.
* src/atomic_ops/sysdeps/ibmc/powerpc.h (AO_test_and_set_acquire,
AO_HAVE_test_and_set_acquire, AO_test_and_set_release,
AO_HAVE_test_and_set_release, AO_test_and_set_full,
AO_HAVE_test_and_set_full): Likewise.
* src/atomic_ops/sysdeps/icc/ia64.h (AO_fetch_and_add1_acquire,
AO_HAVE_fetch_and_add1_acquire, AO_fetch_and_add1_release,
AO_HAVE_fetch_and_add1_release, AO_fetch_and_sub1_acquire,
AO_HAVE_fetch_and_sub1_acquire, AO_fetch_and_sub1_release,
AO_HAVE_fetch_and_sub1_release): Likewise.
* src/atomic_ops/sysdeps/msftc/x86_64.h (AO_fetch_and_add_full,
AO_HAVE_fetch_and_add_full, AO_fetch_and_add1_full,
AO_HAVE_fetch_and_add1_full, AO_fetch_and_sub1_full,
AO_HAVE_fetch_and_sub1_full): Likewise.
* src/atomic_ops/sysdeps/sunc/x86.h (AO_fetch_and_add_full,
AO_HAVE_fetch_and_add_full, AO_and_full, AO_HAVE_and_full,
AO_or_full, AO_HAVE_or_full, AO_xor_full, AO_HAVE_xor_full): Likewise.
* src/atomic_ops/sysdeps/sunc/x86_64.h (AO_fetch_and_add_full,
AO_HAVE_fetch_and_add_full, AO_and_full, AO_HAVE_and_full,
AO_or_full, AO_HAVE_or_full, AO_xor_full, AO_HAVE_xor_full): Likewise.
* src/atomic_ops/sysdeps/gcc/arm.h (AO_test_and_set_full,
AO_HAVE_test_and_set_full): Do not define if AO_PREFER_GENERALIZED
(but only in case of ARMv6+).
* src/atomic_ops/sysdeps/msftc/common32_defs.h (_InterlockedIncrement,
_InterlockedDecrement, _InterlockedExchangeAdd): Do not declare
intrinsic if both AO_PREFER_GENERALIZED and AO_ASSUME_WINDOWS98.
* src/atomic_ops/sysdeps/msftc/common32_defs.h (AO_fetch_and_add_full,
AO_HAVE_fetch_and_add_full, AO_fetch_and_add1_full,
AO_HAVE_fetch_and_add1_full, AO_fetch_and_sub1_full,
AO_HAVE_fetch_and_sub1_full): Do not define if both
AO_PREFER_GENERALIZED and AO_ASSUME_WINDOWS98.
* src/atomic_ops/sysdeps/msftc/x86_64.h (_InterlockedIncrement64,
_InterlockedDecrement64, _InterlockedExchangeAdd64): Do not declare
intrinsic if AO_PREFER_GENERALIZED.

Remove unused InterlockedExchange/ReadWriteBarrier declarations (VC/x86)

* src/atomic_ops/sysdeps/msftc/common32_defs.h (_InterlockedExchange,
_ReadWriteBarrier): Remove pragma for unused intrinsic.
* src/atomic_ops/sysdeps/msftc/x86_64.h (_ReadWriteBarrier,
_InterlockedExchange64): Likewise.
* src/atomic_ops/sysdeps/msftc/common32_defs.h (_InterlockedExchange):
Remove unused macro and prototype.

Add all AO control macros to configure (as templates)

* configure.ac (AO_USE_NANOSLEEP, AO_USE_NO_SIGNALS,
AO_USE_WIN32_PTHREADS, AO_TRACE_MALLOC, AO_GENERALIZE_ASM_BOOL_CAS,
AO_USE_PTHREAD_DEFS, AO_ASM_X64_AVAILABLE, AO_ASSUME_VISTA,
AO_ASSUME_WINDOWS98, AO_CMPXCHG16B_AVAILABLE, AO_FORCE_USE_SWP,
AO_NO_SPARC_V9, AO_OLD_STYLE_INTERLOCKED_COMPARE_EXCHANGE,
AO_UNIPROCESSOR, AO_USE_INTERLOCKED_INTRINSICS,
AO_USE_PENTIUM4_INSTRS, AO_USE_SYNC_CAS_BUILTIN,
AO_WEAK_DOUBLE_CAS_EMULATION): New AC template.

Prevent AO_USE_SYNC_CAS_BUILTIN redefinition in atomic_ops.h

* src/atomic_ops.h (AO_USE_SYNC_CAS_BUILTIN): Do not redefine if it
is already defined.

On altering CFLAGS value in configure place client flags at end

* configure.ac (CFLAGS): Always append old CFLAGS value (instead of
placing it at start).

Update ChangeLog

Workaround ICE9 A1 chip LL bug (MIPS)

* src/atomic_ops/sysdeps/gcc/mips.h (AO_MIPS_LL_FIX): New macro (used
to workaround LL bug in some chips); test AO_ICE9A1_LLSC_WAR new macro.
* src/atomic_ops/sysdeps/gcc/mips.h (AO_fetch_and_add,
AO_test_and_set, AO_compare_and_swap, AO_fetch_compare_and_swap):
Insert AO_MIPS_LL_FIX after every "ll" operation.

Implement fetch_and_add, test_and_set primitives for MIPS

* src/atomic_ops/sysdeps/gcc/mips.h (AO_fetch_and_add,
AO_HAVE_fetch_and_add, AO_test_and_set, AO_HAVE_test_and_set):
Implement (assuming 32-bit ABI); update FIXME.

Implement AO_fetch_compare_and_swap for MIPS

* src/atomic_ops/sysdeps/gcc/mips.h (AO_compare_and_swap,
AO_HAVE_compare_and_swap): Do not define if AO_GENERALIZE_ASM_BOOL_CAS.
* src/atomic_ops/sysdeps/gcc/mips.h (AO_fetch_compare_and_swap,
AO_HAVE_fetch_compare_and_swap): Implement (assuming 32-bit ABI);
remove FIXME.

Reformat gcc/ia64.h code

* src/atomic_ops/sysdeps/gcc/ia64.h (AO_int_fetch_and_add1_acquire,
AO_int_fetch_and_add1_release, AO_int_fetch_and_sub1_acquire,
AO_int_fetch_and_sub1_release, AO_int_fetch_compare_and_swap_acquire,
AO_int_fetch_compare_and_swap_release): Reformat code.

Update ChangeLog

Merge branch 'ao_t_is_int-fix' into master

Generalize acquire/release/full CAS primitives for MIPS

* src/atomic_ops/sysdeps/gcc/mips.h (AO_compare_and_swap_acquire,
AO_compare_and_swap_release, AO_compare_and_swap_full): Remove as
generalized; add comment.

Include ao_t_is_int.h from atomic_ops.h after first generalization if
AO_T_IS_INT (new macro) is defined in 'sysdeps' file

* src/atomic_ops.h (AO_T_IS_INT): Test macro after first
generalization, if set then include ao_t_is_int.h file and force
AO_GENERALIZE_TWICE.
* src/atomic_ops/sysdeps/gcc/hexagon.h (AO_T_IS_INT): Define new macro
instead of ao_t_is_int.h inclusion.
* src/atomic_ops/sysdeps/gcc/ia64.h (AO_T_IS_INT): Likewise.
* src/atomic_ops/sysdeps/gcc/m68k.h (AO_T_IS_INT): Likewise.
* src/atomic_ops/sysdeps/gcc/mips.h (AO_T_IS_INT): Likewise.
* src/atomic_ops/sysdeps/gcc/powerpc.h (AO_T_IS_INT): Likewise.
* src/atomic_ops/sysdeps/gcc/x86.h (AO_T_IS_INT): Likewise.
* src/atomic_ops/sysdeps/hpc/ia64.h (AO_T_IS_INT): Likewise.
* src/atomic_ops/sysdeps/msftc/x86.h (AO_T_IS_INT): Likewise.
* src/atomic_ops/sysdeps/sunc/x86.h (AO_T_IS_INT): Likewise.
* src/atomic_ops/sysdeps/gcc/powerpc.h: Add place-holder comment (in
case of ppc64).
* src/atomic_ops/sysdeps/gcc/hexagon.h: Do not include generalize.h
any longer (since ao_t_is_int.h is included from atomic_ops.h now).
* src/atomic_ops/sysdeps/gcc/ia64.h: Likewise.
* src/atomic_ops/sysdeps/hpc/ia64.h: Likewise.

Fix generalization for IA-64, Hexagon (include generalize.h before
ao_t_is_int.h to have AO_or, AO_..._read/write and some other
int-derived primitives got defined)

* src/atomic_ops/sysdeps/gcc/hexagon.h: Include generalize.h file
before ao_t_is_int.h one.
* src/atomic_ops/sysdeps/gcc/ia64.h: Likewise.
* src/atomic_ops/sysdeps/hpc/ia64.h: Likewise.

Merge branch 'ao_val_cas'

Remove "function untested" notes in code for PowerPC

* src/atomic_ops/sysdeps/gcc/powerpc.h (AO_compare_and_swap,
AO_fetch_compare_and_swap, AO_fetch_and_add): Remove FIXME.

Fix AO_fetch_compare_and_swap (PowerPC) inline asm syntax

* src/atomic_ops/sysdeps/gcc/powerpc.h (AO_fetch_compare_and_swap):
Remove commas after "fetched_val" inline asm parameter.

Merge branch 'master' into ao_val_cas

Define 'w' local variable in test_atomic_include.h only if used

* tests/test_atomic_include.template (test_atomicXX): Define "w" local
variable only if AO_HAVE_compare_[double_]and_swap_double.

Add AO_GENERALIZE_ASM_BOOL_CAS new macro to allow AO_compare_and_swap
definition via AO_fetch_compare_and_swap instead of own ASM-based one

* src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_compare_and_swap): Do not
define if AO_GENERALIZE_ASM_BOOL_CAS.
* src/atomic_ops/sysdeps/gcc/arm.h (AO_compare_and_swap): Likewise.
* src/atomic_ops/sysdeps/gcc/hexagon.h (AO_compare_and_swap):
Likewise.
* src/atomic_ops/sysdeps/gcc/powerpc.h (AO_compare_and_swap,
AO_compare_and_swap_acquire, AO_compare_and_swap_release,
AO_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/gcc/x86.h (AO_compare_and_swap_full):
Likewise.
* src/atomic_ops/sysdeps/gcc/x86_64.h (AO_compare_and_swap_full):
Likewise.
* src/atomic_ops/sysdeps/sunc/x86.h (AO_compare_and_swap_full):
Likewise.
* src/atomic_ops/sysdeps/sunc/x86_64.h (AO_compare_and_swap_full):
Likewise.

Update ChangeLog file

Generalize AO_compare_and_swap primitives via AO_fetch_compare_and_swap

* src/atomic_ops.c (AO_compare_and_swap_emulation): Remove.
* src/atomic_ops/sysdeps/emul_cas.h (AO_compare_and_swap_emulation,
AO_compare_and_swap_full, AO_HAVE_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/gcc/ia64.h (AO_compare_and_swap_acquire,
AO_HAVE_compare_and_swap_acquire, AO_compare_and_swap_release,
AO_HAVE_compare_and_swap_release, AO_char_compare_and_swap_acquire,
AO_HAVE_char_compare_and_swap_acquire,
AO_char_compare_and_swap_release,
AO_HAVE_char_compare_and_swap_release,
AO_short_compare_and_swap_acquire,
AO_HAVE_short_compare_and_swap_acquire,
AO_short_compare_and_swap_release,
AO_HAVE_short_compare_and_swap_release,
AO_int_compare_and_swap_acquire, AO_HAVE_int_compare_and_swap_acquire,
AO_int_compare_and_swap_release,
AO_HAVE_int_compare_and_swap_release): Likewise.
* src/atomic_ops/sysdeps/generic_pthread.h (AO_compare_and_swap_full):
Likewise.
* src/atomic_ops/sysdeps/hpc/ia64.h (AO_compare_and_swap_acquire,
AO_HAVE_compare_and_swap_acquire, AO_compare_and_swap_release,
AO_HAVE_compare_and_swap_release, AO_char_compare_and_swap_acquire,
AO_HAVE_char_compare_and_swap_acquire,
AO_char_compare_and_swap_release,
AO_HAVE_char_compare_and_swap_release,
AO_short_compare_and_swap_acquire,
AO_HAVE_short_compare_and_swap_acquire,
AO_short_compare_and_swap_release,
AO_HAVE_short_compare_and_swap_release): Likewise.
* src/atomic_ops/sysdeps/ibmc/powerpc.h (AO_compare_and_swap_acquire,
AO_HAVE_compare_and_swap_acquire, AO_compare_and_swap_release,
AO_HAVE_compare_and_swap_release, AO_compare_and_swap_full,
AO_HAVE_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/icc/ia64.h (AO_compare_and_swap_acquire,
AO_HAVE_compare_and_swap_acquire, AO_compare_and_swap_release,
AO_HAVE_compare_and_swap_release, AO_char_compare_and_swap_acquire,
AO_HAVE_char_compare_and_swap_acquire,
AO_char_compare_and_swap_release,
AO_HAVE_char_compare_and_swap_release,
AO_short_compare_and_swap_acquire,
AO_HAVE_short_compare_and_swap_acquire,
AO_short_compare_and_swap_release,
AO_HAVE_short_compare_and_swap_release,
AO_int_compare_and_swap_acquire, AO_HAVE_int_compare_and_swap_acquire,
AO_int_compare_and_swap_release,
AO_HAVE_int_compare_and_swap_release): Likewise.
* src/atomic_ops/sysdeps/msftc/common32_defs.h
(AO_compare_and_swap_full, AO_HAVE_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/msftc/x86_64.h (AO_compare_and_swap_full,
AO_HAVE_compare_and_swap_full): Likewise.
* src/atomic_ops.h: Do not include emul_cas.h if any of
AO_HAVE_fetch_compare_and_swap_... is defined.
* src/atomic_ops.h (AO_HAVE_fetch_compare_and_swap_full): Do not
define AO_GENERALIZE_TWICE if AO_HAVE_fetch_compare_and_swap_full
and AO_CAN_EMUL_CAS are both defined.
* src/atomic_ops/generalize-small.template
(AO_XSIZE_compare_and_swap_full, AO_XSIZE_compare_and_swap_acquire,
AO_XSIZE_compare_and_swap_release): New template (based on the
corresponding AO_XSIZE_fetch_compare_and_swap primitive).
* src/atomic_ops/generalize-small.template
(AO_HAVE_XSIZE_compare_and_swap_full,
AO_HAVE_XSIZE_compare_and_swap_acquire,
AO_HAVE_XSIZE_compare_and_swap_release): Define.
* src/atomic_ops/generalize.h (AO_HAVE_compare_and_swap,
AO_HAVE_compare_and_swap_full, AO_HAVE_compare_and_swap_acquire,
AO_HAVE_compare_and_swap_release): Likewise.
* src/atomic_ops/generalize-small.h: Regenerate.
* src/atomic_ops/generalize.h (AO_compare_and_swap,
AO_compare_and_swap_full, AO_compare_and_swap_acquire,
AO_compare_and_swap_release): New function implementation (based on
the corresponding AO_fetch_compare_and_swap primitive).

Implement most AO_fetch_compare_and_swap primitives

* src/atomic_ops.c (AO_fetch_compare_and_swap_emulation): Implement.
* src/atomic_ops.h: Remove FIXME for AO_fetch_compare_and_swap.
* src/atomic_ops/generalize.h (AO_fetch_compare_and_swap_acquire,
AO_fetch_compare_and_swap_release, AO_fetch_compare_and_swap_acquire,
AO_fetch_compare_and_swap_write, AO_fetch_compare_and_swap_read,
AO_fetch_compare_and_swap, AO_fetch_compare_and_swap_full,
AO_fetch_compare_and_swap_release_write,
AO_fetch_compare_and_swap_acquire_read,
AO_fetch_compare_and_swap_dd_acquire_read): Implement; define the
corresponding AO_HAVE_... macro.
* src/atomic_ops/sysdeps/ao_t_is_int.h
(AO_int_fetch_compare_and_swap_full,
AO_int_fetch_compare_and_swap_acquire,
AO_int_fetch_compare_and_swap_release,
AO_int_fetch_compare_and_swap_write,
AO_int_fetch_compare_and_swap_read, AO_int_fetch_compare_and_swap):
Likewise.
* src/atomic_ops/sysdeps/armcc/arm_v6.h (AO_fetch_compare_and_swap):
Likewise.
* src/atomic_ops/sysdeps/emul_cas.h (AO_fetch_compare_and_swap_full):
Likewise.
* src/atomic_ops/sysdeps/gcc/arm.h (AO_fetch_compare_and_swap):
Likewise.
* src/atomic_ops/sysdeps/gcc/hexagon.h (AO_fetch_compare_and_swap):
Likewise.
* src/atomic_ops/sysdeps/gcc/ia64.h
(AO_fetch_compare_and_swap_acquire, AO_fetch_compare_and_swap_release,
AO_char_fetch_compare_and_swap_acquire,
AO_char_fetch_compare_and_swap_release,
AO_short_fetch_compare_and_swap_acquire,
AO_short_fetch_compare_and_swap_release,
AO_int_fetch_compare_and_swap_acquire,
AO_int_fetch_compare_and_swap_release): Likewise.
* src/atomic_ops/sysdeps/gcc/powerpc.h (AO_fetch_compare_and_swap,
AO_fetch_compare_and_swap_acquire, AO_fetch_compare_and_swap_release,
AO_fetch_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/gcc/x86.h (AO_fetch_compare_and_swap_full):
Likewise.
* src/atomic_ops/sysdeps/gcc/x86_64.h
(AO_fetch_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/generic_pthread.h
(AO_fetch_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/hpc/ia64.h
(AO_fetch_compare_and_swap_acquire, AO_fetch_compare_and_swap_release,
AO_char_fetch_compare_and_swap_acquire,
AO_char_fetch_compare_and_swap_release,
AO_short_fetch_compare_and_swap_acquire,
AO_short_fetch_compare_and_swap_release): Likewise.
* src/atomic_ops/sysdeps/icc/ia64.h
(AO_fetch_compare_and_swap_acquire, AO_fetch_compare_and_swap_release,
AO_char_fetch_compare_and_swap_acquire,
AO_char_fetch_compare_and_swap_release,
AO_short_fetch_compare_and_swap_acquire,
AO_short_fetch_compare_and_swap_release,
AO_int_fetch_compare_and_swap_acquire,
AO_int_fetch_compare_and_swap_release): Likewise.
* src/atomic_ops/sysdeps/msftc/common32_defs.h
(AO_fetch_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/msftc/x86_64.h
(AO_fetch_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/sunc/x86.h
(AO_fetch_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/sunc/x86_64.h
(AO_fetch_compare_and_swap_full): Likewise.
* src/atomic_ops/sysdeps/emul_cas.h
(AO_fetch_compare_and_swap_emulation): Declare the function.
* src/atomic_ops/sysdeps/gcc/mips.h: Adjust FIXME.
* src/atomic_ops/sysdeps/gcc/sparc.h: Likewise.
* src/atomic_ops/sysdeps/ibmc/powerpc.h (AO_fetch_compare_and_swap,
AO_fetch_compare_and_swap_acquire, AO_fetch_compare_and_swap_release,
AO_fetch_compare_and_swap_full): Add implementation stub.
* tests/list_atomic.template (list_atomicXX): Add
AO_fetch_compare_and_swapXX call.
* tests/test_atomic_include.template (test_atomicXX): Likewise.

Add FIXMEs to add AO_fetch_compare_and_swap primitives

Adjust ChangeLog (remove 'release' word from release number)

Update ChangeLog - add entries both for planned 7.2 and 7.3alpha2 releases

Update ChangeLog file

Fix generalized AO_<type>_fetch_and_add() return type

* src/atomic_ops/generalize-small.template
(AO_XSIZE_fetch_and_add_full, AO_XSIZE_fetch_and_add_acquire,
AO_XSIZE_fetch_and_add_release): Change return type from AO_t to
XCTYPE.
* src/atomic_ops/generalize-small.h: Regenerate.

Add note about __sync_bool_compare_and_swap usage (gcc/x86.h)

* src/atomic_ops/sysdeps/gcc/x86.h (AO_compare_and_swap_full): Add
comment for __sync_bool_compare_and_swap regarding variables
protection list.
* src/atomic_ops/sysdeps/gcc/x86_64.h (AO_compare_and_swap_full):
Likewise.

Fix AO_compare_and_swap_full (GCC MIPS, PowerPC) returned value type

* src/atomic_ops/sysdeps/gcc/mips.h (AO_compare_and_swap_full):
Change "result" local variable type from AO_t to int.
* src/atomic_ops/sysdeps/gcc/powerpc.h (AO_compare_and_swap_full):
Likewise.

Reformat code of src/atomic_ops/sysdeps/ao_t_is_int.h

Fix test_atomic_include for the case of missing CAS primitive

* tests/test_atomic_include.template (test_atomicXX): Add action for
the missing AO_compare_and_swap primitive.

Minor code refactoring of src/atomic_ops.c (remove duplicated code)

* src/atomic_ops.c (block_all_signals): New inline function (move the
code from AO_compare_and_swap_emulation).
* src/atomic_ops.c (AO_compare_and_swap_emulation,
AO_compare_double_and_swap_double_emulation): Use block_all_signals().

Fix compiler warning in atomic_ops.c (define 'init_lock' only if used)

* src/atomic_ops.c (init_lock): Define only unless AO_USE_NO_SIGNALS.

Minor code refactoring of sysdeps/generic_pthread.h.

* src/atomic_ops/sysdeps/generic_pthread.h (AO_fetch_and_add_full,
AO_char_fetch_and_add_full, AO_short_fetch_and_add_full,
AO_int_fetch_and_add_full): Rename "tmp" local variable to "old_val".

Document atomic 'and', 'xor' primitives in doc/README.txt

Fix a typo in doc/README.txt

Reformat icc/ia64.h code (remove redundant blank lines)

* src/atomic_ops/sysdeps/icc/ia64.h: Remove redundant blank lines.

Fix AO_compare_and_swap (gcc/alpha.h) to suppress compiler warning

* src/atomic_ops/sysdeps/gcc/alpha.h (AO_compare_and_swap): Cast
returned value to int.

Update ChangeLog

Update AUTHORS file

Fix AO_test_and_set_full on m68k

* src/atomic_ops/sysdeps/gcc/m68k.h (AO_test_and_set_full): Cast the
returned value.

Fix AO_compare_and_swap() return type for s390 and PowerPC

* src/atomic_ops/sysdeps/gcc/s390.h (AO_compare_and_swap_full):
Change return from AO_t to int.
* src/atomic_ops/sysdeps/ibmc/powerpc.h (AO_compare_and_swap_acquire,
AO_compare_and_swap_release, AO_compare_and_swap_full): Likewise.

Put 'FIXME' word where missed

* src/atomic_ops.h (AO_compiler_barrier): Add FIXME.
* src/atomic_ops/sysdeps/gcc/cris.h (header comment): Likewise.
* src/atomic_ops/sysdeps/armcc/arm_v6.h: Replace C++ style comment
with ANSI C one.

Move names of committers from source files to AUTHORS list

* src/atomic_ops/sysdeps/gcc/hppa.h (header comment): Move
"modified-by" information to AUTHORS file.
* src/atomic_ops/sysdeps/gcc/m68k.h (header comment): Likewise.
* src/atomic_ops/sysdeps/gcc/powerpc.h (header comment): Likewise.
* src/atomic_ops_malloc.c (header comment): Likewise.
* src/atomic_ops_stack.c (header comment): Likewise.
* tests/test_atomic.c (header comment): Likewise.
* tests/test_malloc.c (header comment): Likewise.
* tests/test_stack.c (header comment): Likewise.
* AUTHORS: Add more entries.
* src/atomic_ops/sysdeps/standard_ao_double_t.h: Add copyright header.

Update AUTHORS

Implement the basic atomic primitives for the hexagon CPU.

* src/Makefile.am (nobase_private_HEADERS): Add hexagon.h.
* src/atomic_ops.h: Include hexagon.h file.
* src/atomic_ops/sysdeps/gcc/hexagon.h: New file.

Do not put dummy AO_non_posix_impl... symbol to executables.

* src/atomic_ops.c
(AO_non_posix_implementation_is_entirely_in_headers): Make external.

Fix configure for mingw-w64/32.

* configure.ac (PICFLAG, THREADDLLIBS): Define as empty for MinGW.
* configure.ac (have_pthreads): New definition (set to true unless
MinGW).
* configure.ac (HAVE_PTHREAD_H): New AM conditional (based on
have_pthreads value).
* tests/Makefile.am (test_atomic_pthreads_SOURCES,
test_atomic_pthreads_CPPFLAGS, test_atomic_pthreads_LDADD): Define
only if HAVE_PTHREAD_H.
* tests/Makefile.am (TESTS): Don't include test_atomic_pthreads unless
HAVE_PTHREAD_H.
* tests/Makefile.am (check_PROGRAMS): Define to TESTS value.

Turn atomic_ops_malloc static mmap-related empty functions into macro
definitions in case of missing mmap() to eliminate a compiler warning
about unused arguments.

* src/atomic_ops_malloc.c (get_mmaped, AO_malloc_large,
AO_free_large): Turn static empty function into macro definition;
remove ARGSUSED comment-based annotation.

Fix test_malloc - allocate less memory in case of missing mmap()

* tests/test_malloc.c (LIST_LENGTH, LARGE_OBJ_SIZE): Define to
a smaller value unless HAVE_MMAP.

tests: Invoke exit() instead of abort() in case of out of memory

* tests/test_malloc.c (cons, run_one_test): Call exit with a non-zero
code (instead of abort) if out of memory.
* tests/test_stack.c (add_elements): Likewise.
* tests/test_stack.c (main): Use a distinct exit code if a thread
creation failed.

Fix a typo in emul_cas.h comment.

* src/atomic_ops/sysdeps/emul_cas.h: Fix a typo (replace AO_FORCE_CAS
with AO_REQUIRE_CAS in a comment).

Expand all tabs to spaces, remove trailing spaces at EOLn.

* doc/LICENSING.txt: Remove trailing spaces at EOLn.
* src/atomic_ops/sysdeps/all_acquire_release_volatile.h: Likewise.
* doc/README_win32.txt: Expand all tabs to spaces.
* src/atomic_ops/sysdeps/sunc/sparc.S: Likewise.

Define AO macros for libatomic_ops version identification.

* src/atomic_ops/ao_version.h: New file (defining new
AO_VERSION_MAJOR, AO_VERSION_MINOR, AO_VERSION_ALPHA macros).
* src/Makefile.am (nobase_private_HEADERS): Add
atomic_ops/ao_version.h file.
* src/atomic_ops.h: Include atomic_ops/ao_version.h file.

Adjust AO_..._H macros in public headers.

* src/atomic_ops.h (ATOMIC_OPS_H): Add AO_ prefix.
* src/atomic_ops/generalize.h (ATOMIC_OPS_H): Likewise.
* src/atomic_ops/sysdeps/emul_cas.h (ATOMIC_OPS_H): Likewise.
* src/atomic_ops/generalize.h (ATOMIC_OPS_H): Adjust #error message.
* src/atomic_ops_malloc.h (AO_ATOMIC_H): Rename to AO_MALLOC_H.

Update TODO.

Update TODO file.

Bump libatomic_ops version to 7.3alpha1 (next major release development).

* README: Change version to 7.3alpha1.
* configure.ac (AC_INIT): Likewise.

Update ChangeLog.

Add more TODO items.

Update TODO item.

Turn off AO primitives inlining if AO_NO_INLINE defined.

* src/atomic_ops.h (AO_INLINE): Define as 'static' if AO_NO_INLINE
(new macro).

Add ARGSUSED comment-based attribute for some functions.

* atomic_ops_malloc.c (get_mmaped, AO_malloc_large, AO_free_large):
Add ARGSUSED tag.

Specify LDFLAGS with '-no-undefined' option.

* src/Makefile.am (libatomic_ops_la_LDFLAGS,
libatomic_ops_gpl_la_LDFLAGS): Define (specifying '-version-info' and
'-no-undefined' options).

Do not pass -fPIC to Cygwin gcc.

* configure.ac (PICFLAG): Set to -fPIC if GCC but not Gygwin.

Replace m4/.keep file with .gitignore one.

* m4/.keep: Rename to m4/.gitignore; update the content.
* .gitignore: Replace multiple entries in m4/ with a wildcard.

Update TODO items.

Ignore libtool, .la and .lo files.

Merge pull request #2 from paurkedal/t/build-aug-14

Various build fixes (add 'm4', move .pc file to pkgconfig).

Add -uninstalled pkg-config file, move them to pkgconfig/.

* atomic_ops.pc.in -> pkgconfig/atomic_ops.pc.in: Moved.
* pkgconfig/atomic_ops-uninstalled.pc.in: Added developer version.
* configure.ac, Makefile.am: Update accordingly.

Use libtool for linking but keep the libraries static.

* configure.ac: Use LT_INIT([disable-shared]) instead of AC_PROG_RANLIB.
Also, re-enable the m4 macro directory.
* Makefile.am (ACLOCAL_AMFLAGS): Add -I m4.
* m4/.keep: Create the m4 directory to avoid problems due to the above
m4 flag when running autoreconf for the first time.

Add include flags for test directory.

* tests/Makefile.am (AM_CPPFLAGS): Include flag for the tests
sub-directory is needed when the build directory is different from the
source directory.

Merge pull request #1 from paurkedal/master

This should fix the config.h issue.

Add and adjust include directories.

* src/Makefile.am, tests/Makefile.am: Set compiler include paths
to $(top_builddir)/src and $(top_srcdir)/src.

Fix commits 86e8b5 and 7bd1fd regarding "make install"
(fix paths for private header files and copy COPYING file).

* Makefile.am (dist_pkgdata_DATA): Add COPYING.
* src/Makefile.am (EXTRA_DIST): Add atomic_ops/sysdeps/README (move
from private_HEADERS).
* src/Makefile.am (privatedir): Fix path.
* src/Makefile.am (private_HEADERS): Make "nobase".

Improve Makefile for MS VC++.

* src/Makefile.msft: Remove list_atomic.c from the comment.
* src/Makefile.msft: Compile with -W3 option; replace -o option
with /Fo.
* src/Makefile.msft (clean): New target.

Fix atomic_ops library name and fix a typo in a comment.

* atomic_ops.pc.in: Refine name.
* src/atomic_ops_malloc.h: Fix README_malloc filename in comment;
expand all tabs to spaces.

Remove auto-generated tests/list_atomic.c and test_atomic_include.h
from the repo.

The files are still present in the distributive tar-ball as it is hard
to generate them on Windows (without Cygwin/MinGW).  Note that these
files are used only for testing (unlike generalize-small.h).
The later remains even in the repo as it makes possible to use
libatomic_ops without running any script.

* .gitignore: add tests/list_atomic.c and test_atomic_include.h.
* src/Makefile.msft: Add comment about test_atomic_include.h; wrap
long lines.
* src/Makefile.msft (all): Build "libatomic_ops_gpl.lib" instead of
"check".
* tests/list_atomic.c, tests/test_atomic_include.h: Remove.

Merge all Makefile.am in /src tree (to have less auto-generated files
in the project subdirectories).

* configure.ac (AC_CONFIG_FILES): Remove src/atomic_ops/Makefile,
src/atomic_ops/sysdeps/Makefile.
* src/Makefile.am (SUBDIRS): Remove.
* src/Makefile.am (EXTRA_DIST, privatedir, private_HEADERS): Add from
src/atomic_ops/Makefile.am and src/atomic_ops/sysdeps/Makefile.am.
* src/Makefile.am (generalize-small): Move from
src/atomic_ops/Makefile.am.
* src/atomic_ops/Makefile.am, src/atomic_ops/sysdeps/Makefile.am:
Remove.

Add TODO items.

Rename run_parallel.inc to run_parallel.h;
rename test_atomic.template to test_atomic_include.template.

* tests/Makefile.am(EXTRA_DIST): Adjust for run_parallel.h and
test_atomic_include.template files.
* tests/run_parallel.inc: Rename to tests/run_parallel.h.
* test_atomic.template: Rename to test_atomic_include.template.
* test_atomic.c, test_malloc.c: Adjust included file name.

Remove all .cvsignore files.

* .cvsignore, doc/.cvsignore, src/.cvsignore, src/atomic_ops/.cvsignore,
src/atomic_ops/sysdeps/.cvsignore, tests/.cvsignore: Remove.
* .gitignore: Update comment.

Remove duplicate doc/COPYING and empty NEWS files.

* NEWS, doc/COPYING: Remove.
* doc/Makefile.am (dist_pkgdata_DATA): Remove "COPYING".
* src/atomic_ops_malloc.c, src/atomic_ops_stack.c,
tests/list_atomic.template, tests/run_parallel.inc,
tests/test_atomic.template, tests/test_atomic.c, tests/test_malloc.c,
tests/test_stack.c: Adjust "COPYING" filename in comments.
* tests/list_atomic.c, tests/test_atomic_include.h: Regenerate.

Remove auto-generated files and add them to .gitignore.

* .gitignore: Add more files to ignore in the repo.
* INSTALL, Makefile.in, aclocal.m4, compile, config.guess, config.sub,
configure, depcomp, doc/Makefile.in, install-sh, missing, mkinstalldirs,
src/Makefile.in, src/atomic_ops/Makefile.in, src/config.h.in,
src/atomic_ops/sysdeps/Makefile.in, tests/Makefile.in: Remove.

Add TODO item (FIXME).

Do not run reconf on configure. Ensure proper autoconf version.

* configure.ac (AC_PREREQ, AM_MAINTAINER_MODE): New macro.
* configure.ac (AM_INIT_AUTOMAKE): Add options.
* configure.ac (AC_HEADER_STDC): Remove (as not needed).
* Makefile.in, aclocal.m4, configure, doc/Makefile.in, src/Makefile.in,
src/atomic_ops/Makefile.in, src/atomic_ops/sysdeps/Makefile.in,
tests/Makefile.in: Regenerate.

Show extra compiler warnings (GCC).

* configure.ac (CFLAGS): Add -Wall -Wextra (GCC only).
* configure: Regenerate.

Fix compiler extra warnings.

* src/atomic_ops_stack.c (AO_stack_pop_explicit_aux_acquire): Remove
non-negative-value test for an unsigned value.
* src/atomic_ops_stack.h (AO_STACK_INITIALIZER): Add {} to match type
definition.
* tests/test_atomic.c (acqrel_thr): Fix code indentation.
* tests/test_atomic.c (test_and_set_thr): Print thread Id in case of error.
* tests/test_malloc.c (cons): Declare "i" local variable as unsigned (as it
is compared to another unsigned value).
* tests/test_malloc.c (check_list): Test upper bound as well, abort with the
appropriate message in case of mismatch.
* tests/test_malloc.c (run_one_test): Return "arg" parameter (to suppress
"unused parameter" compiler warning).

Add atomic_ops.pc.

* .cvsignore, .gitignore: ignore atomic_ops.pc.
* atomic_ops.pc.in: new file.
* Makefile.am (pkgconfigdir, pkgconfig_DATA): new items.
* configure.ac (AC_CONFIG_FILES): add atomic_ops.pc.
* configure, Makefile.in: Regenerate.