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-rw-r--r--configure.ac89
1 files changed, 82 insertions, 7 deletions
diff --git a/configure.ac b/configure.ac
index 1969d11..b58540e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -76,6 +76,7 @@ AC_MSG_CHECKING([whether compiler supports $1])
T_CONFIGURE_CXXFLAGS="${CONFIGURE_CXXFLAGS}"
JE_APPEND_VS(CONFIGURE_CXXFLAGS, $1)
JE_CONCAT_VVV(CXXFLAGS, CONFIGURE_CXXFLAGS, SPECIFIED_CXXFLAGS)
+AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[
]], [[
@@ -87,6 +88,7 @@ AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
AC_MSG_RESULT([no])
[CONFIGURE_CXXFLAGS="${T_CONFIGURE_CXXFLAGS}"]
)
+AC_LANG_POP([C++])
JE_CONCAT_VVV(CXXFLAGS, CONFIGURE_CXXFLAGS, SPECIFIED_CXXFLAGS)
])
@@ -243,6 +245,7 @@ if test "x$GCC" = "xyes" ; then
JE_CFLAGS_ADD([-Wshorten-64-to-32])
JE_CFLAGS_ADD([-Wsign-compare])
JE_CFLAGS_ADD([-Wundef])
+ JE_CFLAGS_ADD([-Wno-format-zero-length])
JE_CFLAGS_ADD([-pipe])
JE_CFLAGS_ADD([-g3])
elif test "x$je_cv_msvc" = "xyes" ; then
@@ -380,6 +383,7 @@ dnl CPU-specific settings.
CPU_SPINWAIT=""
case "${host_cpu}" in
i686|x86_64)
+ HAVE_CPU_SPINWAIT=1
if test "x${je_cv_msvc}" = "xyes" ; then
AC_CACHE_VAL([je_cv_pause_msvc],
[JE_COMPILABLE([pause instruction MSVC], [],
@@ -398,13 +402,11 @@ case "${host_cpu}" in
fi
fi
;;
- powerpc*)
- AC_DEFINE_UNQUOTED([HAVE_ALTIVEC], [ ])
- CPU_SPINWAIT='__asm__ volatile("or 31,31,31")'
- ;;
*)
+ HAVE_CPU_SPINWAIT=0
;;
esac
+AC_DEFINE_UNQUOTED([HAVE_CPU_SPINWAIT], [$HAVE_CPU_SPINWAIT])
AC_DEFINE_UNQUOTED([CPU_SPINWAIT], [$CPU_SPINWAIT])
case "${host_cpu}" in
@@ -561,7 +563,7 @@ case "${host}" in
dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE.
JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE)
abi="elf"
- AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS])
+ AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS], [ ])
AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
AC_DEFINE([JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY], [ ])
AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
@@ -571,11 +573,11 @@ case "${host}" in
default_retain="1"
fi
;;
- *-*-linux* | *-*-kfreebsd*)
+ *-*-linux*)
dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE.
JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE)
abi="elf"
- AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS])
+ AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED_ZEROS], [ ])
AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
AC_DEFINE([JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY], [ ])
AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
@@ -584,6 +586,15 @@ case "${host}" in
default_retain="1"
fi
;;
+ *-*-kfreebsd*)
+ dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE.
+ JE_APPEND_VS(CPPFLAGS, -D_GNU_SOURCE)
+ abi="elf"
+ AC_DEFINE([JEMALLOC_HAS_ALLOCA_H])
+ AC_DEFINE([JEMALLOC_SYSCTL_VM_OVERCOMMIT], [ ])
+ AC_DEFINE([JEMALLOC_THREADED_INIT], [ ])
+ AC_DEFINE([JEMALLOC_USE_CXX_THROW], [ ])
+ ;;
*-*-netbsd*)
AC_MSG_CHECKING([ABI])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
@@ -1237,6 +1248,21 @@ if test "x$enable_cache_oblivious" = "x1" ; then
fi
AC_SUBST([enable_cache_oblivious])
+dnl Do not log by default.
+AC_ARG_ENABLE([log],
+ [AS_HELP_STRING([--enable-log], [Support debug logging])],
+[if test "x$enable_log" = "xno" ; then
+ enable_log="0"
+else
+ enable_log="1"
+fi
+],
+[enable_log="0"]
+)
+if test "x$enable_log" = "x1" ; then
+ AC_DEFINE([JEMALLOC_LOG], [ ])
+fi
+AC_SUBST([enable_log])
JE_COMPILABLE([a program using __builtin_unreachable], [
@@ -1800,6 +1826,15 @@ if test "x${je_cv_madvise}" = "xyes" ; then
], [je_cv_madv_free])
if test "x${je_cv_madv_free}" = "xyes" ; then
AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
+ elif test "x${je_cv_madvise}" = "xyes" ; then
+ case "${host_cpu}" in i686|x86_64)
+ case "${host}" in *-*-linux*)
+ AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ])
+ AC_DEFINE([JEMALLOC_DEFINE_MADVISE_FREE], [ ])
+ ;;
+ esac
+ ;;
+ esac
fi
dnl Check for madvise(..., MADV_DONTNEED).
@@ -1812,6 +1847,17 @@ if test "x${je_cv_madvise}" = "xyes" ; then
AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ])
fi
+ dnl Check for madvise(..., MADV_DO[NT]DUMP).
+ JE_COMPILABLE([madvise(..., MADV_DO[[NT]]DUMP)], [
+#include <sys/mman.h>
+], [
+ madvise((void *)0, 0, MADV_DONTDUMP);
+ madvise((void *)0, 0, MADV_DODUMP);
+], [je_cv_madv_dontdump])
+ if test "x${je_cv_madv_dontdump}" = "xyes" ; then
+ AC_DEFINE([JEMALLOC_MADVISE_DONTDUMP], [ ])
+ fi
+
dnl Check for madvise(..., MADV_[NO]HUGEPAGE).
JE_COMPILABLE([madvise(..., MADV_[[NO]]HUGEPAGE)], [
#include <sys/mman.h>
@@ -1819,6 +1865,15 @@ if test "x${je_cv_madvise}" = "xyes" ; then
madvise((void *)0, 0, MADV_HUGEPAGE);
madvise((void *)0, 0, MADV_NOHUGEPAGE);
], [je_cv_thp])
+case "${host_cpu}" in
+ arm*)
+ ;;
+ *)
+ if test "x${je_cv_thp}" = "xyes" ; then
+ AC_DEFINE([JEMALLOC_HAVE_MADVISE_HUGE], [ ])
+ fi
+ ;;
+esac
fi
dnl Enable transparent huge page support by default.
@@ -2017,6 +2072,25 @@ if test "x${je_cv_pthread_mutex_adaptive_np}" = "xyes" ; then
AC_DEFINE([JEMALLOC_HAVE_PTHREAD_MUTEX_ADAPTIVE_NP], [ ])
fi
+JE_CFLAGS_SAVE()
+JE_CFLAGS_ADD([-D_GNU_SOURCE])
+JE_CFLAGS_ADD([-Werror])
+JE_CFLAGS_ADD([-herror_on_warning])
+JE_COMPILABLE([strerror_r returns char with gnu source], [
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+], [
+ char *buffer = (char *) malloc(100);
+ char *error = strerror_r(EINVAL, buffer, 100);
+ printf("%s\n", error);
+], [je_cv_strerror_r_returns_char_with_gnu_source])
+JE_CFLAGS_RESTORE()
+if test "x${je_cv_strerror_r_returns_char_with_gnu_source}" = "xyes" ; then
+ AC_DEFINE([JEMALLOC_STRERROR_R_RETURNS_CHAR_WITH_GNU_SOURCE], [ ])
+fi
+
dnl ============================================================================
dnl Check for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
@@ -2199,6 +2273,7 @@ AC_MSG_RESULT([thp : ${enable_thp}])
AC_MSG_RESULT([fill : ${enable_fill}])
AC_MSG_RESULT([utrace : ${enable_utrace}])
AC_MSG_RESULT([xmalloc : ${enable_xmalloc}])
+AC_MSG_RESULT([log : ${enable_log}])
AC_MSG_RESULT([lazy_lock : ${enable_lazy_lock}])
AC_MSG_RESULT([cache-oblivious : ${enable_cache_oblivious}])
AC_MSG_RESULT([cxx : ${enable_cxx}])