Remove all dependencies on the old autotools config header.

Author: insertinterestingnamehere

config/qthread_check_makecontext.m4

@@ -81,9 +81,6 @@ AC_CACHE_CHECK([for hand-implemented makecontext],
    esac])
 
 AS_IF([test "$qthread_cv_makecontext" = "yes"],
-  [AC_CHECK_FUNCS([memmove], [], 
-    [AC_MSG_ERROR([A functional memmove is required for the included makecontext.])])
-   AC_CHECK_HEADERS([sys/ucontext.h stdarg.h sched.h signal.h sys/utsname.h])
-   $1],
+  [$1],
   [$2])
 ])

configure.ac

@@ -229,16 +229,6 @@ AC_SEARCH_LIBS([accept], [xnet "socket -lnsl"])
 
 AC_CACHE_SAVE
 
-## ----------------------- ##
-## Checks for header files ##
-## ----------------------- ##
-AC_HEADER_STDC
-AC_HEADER_SYS_WAIT
-AC_HEADER_TIME
-AC_CHECK_HEADERS([fcntl.h ucontext.h sys/time.h sys/resource.h mach/mach_time.h malloc.h math.h sys/types.h sys/sysctl.h])
-
-AC_CACHE_SAVE
-
 ## -------------------- ##
 ## Check for structures ##
 ## -------------------- ##
@@ -280,13 +270,6 @@ AS_IF([test "x$enable_precache_guard_pages" = "xyes"],
       [enable_precache_guard_pages="no"])
 
 
-AC_CACHE_SAVE
-
-## --------------------------- ##
-## Check for library functions ##
-## --------------------------- ##
-AC_CHECK_FUNCS([memalign memcpy fstat64 lseek64 sched_yield sysconf getcontext])
-
 AC_CACHE_SAVE
 
 ## ------------------------- ##
@@ -371,13 +354,6 @@ AS_IF([test "x$enable_asserts" != "xyes"],
 AS_IF([test "x$with_stack_alignment" = "x"],
       [with_stack_alignment=16])
 
-AC_LINK_IFELSE([AC_LANG_SOURCE([[
-#include <unistd.h>
-
-int main() {
-  return sysconf(_SC_CLK_TCK);
-}]])],
-  [AC_DEFINE([HAVE_SC_CLK_TCK], [1], [Define if _SC_CLK_TCK is available.])])
 dnl Which timer do we want to use
 qthread_timer_type=gettimeofday
 AS_IF([test "x$qthread_timer_type" = "xgettimeofday"],
@@ -445,7 +421,6 @@ AM_CONDITIONAL([COMPILE_TBB_BENCHMARKS], [test "x$have_tbb" = "xyes"])
 AM_CONDITIONAL([COMPILE_CILK_BENCHMARKS], [test "x$have_cilk" = "xyes"])
 AM_CONDITIONAL([COMPILE_LF_HASH], [test "x$enable_lf_febs" = "xyes"])
 
-AC_CONFIG_HEADERS([include/config.h])
 AC_CONFIG_FILES([Makefile
                  src/Makefile
                  man/Makefile

include/fastcontext/386-ucontext.h

@@ -1,7 +1,3 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
 #include <stdarg.h> /* for the qt_makectxt prototype */
 #include <stddef.h> /* for size_t, per C89 */
 #include <stdint.h>

include/fastcontext/arm-ucontext.h

@@ -1,7 +1,4 @@
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
+#include "qthread/common.h"
 #if (QTHREAD_ASSEMBLY_ARCH == QTHREAD_ARMV8_A64)
 #define NEEDARMA64CONTEXT
 #endif

include/fastcontext/taskimpl.h

@@ -1,10 +1,6 @@
 #ifndef TASKIMPL_H
 #define TASKIMPL_H
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include "qthread/common.h"
 
 #if (QTHREAD_ASSEMBLY_ARCH == QTHREAD_IA32)

include/qt_affinity.h

@@ -1,7 +1,3 @@
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include "qthread/qthread.h"
 
 #include "qt_shepherd_innards.h"
@@ -12,18 +8,6 @@
 typedef struct qthread_shepherd_s qthread_shepherd_t;
 #endif
 
-#if defined(QTHREAD_HAVE_HWLOC) && (HWLOC_API_VERSION > 0x00010000)
-#define QTHREAD_HAVE_MEM_AFFINITY
-#endif
-
-#ifdef QTHREAD_HAVE_MEM_AFFINITY
-#define MEM_AFFINITY_ONLY_ARG(x) x,
-#define MEM_AFFINITY_ONLY(x) x
-#else
-#define MEM_AFFINITY_ONLY_ARG(x)
-#define MEM_AFFINITY_ONLY(x)
-#endif
-
 /**
  * qt_topology_init() - initialize topology layer
  * @nbshepherds:    The number of shepherds (after return).
@@ -91,7 +75,7 @@ void INTERNAL qt_affinity_set(qthread_worker_t *me,
 int qt_affinity_gendists(qthread_shepherd_t *sheps,
                          qthread_shepherd_id_t nshepherds);
 
-#ifdef QTHREAD_HAVE_MEM_AFFINITY
+#ifdef USE_HWLOC_MEM_AFFINITY
 void INTERNAL *qt_affinity_alloc(size_t bytes);
 void INTERNAL *qt_affinity_alloc_onnode(size_t bytes, int node);
 void INTERNAL qt_affinity_mem_tonode(void *addr, size_t bytes, int node);

include/qt_alloc.h

@@ -1,5 +1,5 @@
-#ifndef HAVE_QT_ALIGNED_ALLOC_H
-#define HAVE_QT_ALIGNED_ALLOC_H
+#ifndef QT_ALLOC_H
+#define QT_ALLOC_H
 
 #include <stdint.h>
 #include <stdlib.h>
@@ -28,5 +28,5 @@ void INTERNAL qt_internal_alignment_init(void);
 #endif
 extern size_t _pagesize;
 #define pagesize ((size_t)_pagesize)
-#endif // ifndef HAVE_QT_ALIGNED_ALLOC_H
+#endif // ifndef QT_ALLOC_H
 /* vim:set expandtab: */

include/qt_asserts.h

@@ -4,10 +4,6 @@
 #define QTHREAD_ASSERTS_H
 #endif
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include <assert.h> /* for assert() */
 
 #ifdef qassert

include/qt_expect.h

@@ -1,18 +1,8 @@
 #ifndef QTHREAD_EXPECT_H
 #define QTHREAD_EXPECT_H
 
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#ifdef QTHREAD_EXPECT_OKAY
 #define QTHREAD_EXPECT(x, y) __builtin_expect(!!(x), (y))
 #define QTHREAD_LIKELY(x) __builtin_expect(!!(x), 1)
 #define QTHREAD_UNLIKELY(x) __builtin_expect(!!(x), 0)
-#else
-#define QTHREAD_EXPECT(x, y) (x)
-#define QTHREAD_LIKELY(x) (x)
-#define QTHREAD_UNLIKELY(x) (x)
-#endif
 
 #endif

include/qt_gcd.h

@@ -1,7 +1,3 @@
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
 #include <stdint.h>
 
 static inline size_t qt_gcd(size_t a, size_t b) {