diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 101 |
1 files changed, 79 insertions, 22 deletions
diff --git a/configure.ac b/configure.ac index 104fd99..9573c30 100644 --- a/configure.ac +++ b/configure.ac @@ -171,7 +171,6 @@ fi if test "x$CFLAGS" = "x" ; then no_CFLAGS="yes" if test "x$GCC" = "xyes" ; then -dnl JE_CFLAGS_APPEND([-std=gnu99]) JE_CFLAGS_APPEND([-std=gnu11]) if test "x$je_cv_cflags_appended" = "x-std=gnu11" ; then AC_DEFINE_UNQUOTED([JEMALLOC_HAS_RESTRICT]) @@ -355,7 +354,6 @@ maps_coalesce="1" case "${host}" in *-*-darwin* | *-*-ios*) abi="macho" - AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) RPATH="" LD_PRELOAD_VAR="DYLD_INSERT_LIBRARIES" so="dylib" @@ -368,29 +366,35 @@ case "${host}" in *-*-freebsd*) abi="elf" AC_DEFINE([JEMALLOC_SYSCTL_VM_OVERCOMMIT], [ ]) - AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) force_lazy_lock="1" ;; *-*-dragonfly*) abi="elf" - AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) ;; *-*-openbsd*) abi="elf" - AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) force_tls="0" ;; *-*-bitrig*) abi="elf" - AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) ;; - *-*-linux*) + *-*-linux-android) + dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE. + CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" + abi="elf" + AC_DEFINE([JEMALLOC_HAS_ALLOCA_H]) + AC_DEFINE([JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY], [ ]) + AC_DEFINE([JEMALLOC_THREADED_INIT], [ ]) + AC_DEFINE([JEMALLOC_C11ATOMICS]) + force_tls="0" + default_munmap="0" + ;; + *-*-linux* | *-*-kfreebsd*) dnl syscall(2) and secure_getenv(3) are exposed by _GNU_SOURCE. CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" abi="elf" AC_DEFINE([JEMALLOC_HAS_ALLOCA_H]) AC_DEFINE([JEMALLOC_PROC_SYS_VM_OVERCOMMIT_MEMORY], [ ]) - AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ]) AC_DEFINE([JEMALLOC_THREADED_INIT], [ ]) AC_DEFINE([JEMALLOC_USE_CXX_THROW], [ ]) default_munmap="0" @@ -407,11 +411,9 @@ case "${host}" in [abi="elf"], [abi="aout"]) AC_MSG_RESULT([$abi]) - AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) ;; *-*-solaris2*) abi="elf" - AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) RPATH='-Wl,-R,$(1)' dnl Solaris needs this for sigwait(). CPPFLAGS="$CPPFLAGS -D_POSIX_PTHREAD_SEMANTICS" @@ -1327,6 +1329,14 @@ if test "x$abi" != "xpecoff" ; then AC_CHECK_LIB([pthread], [pthread_create], [LIBS="$LIBS -lpthread"], [AC_SEARCH_LIBS([pthread_create], , , AC_MSG_ERROR([libpthread is missing]))]) + JE_COMPILABLE([pthread_atfork(3)], [ +#include <pthread.h> +], [ + pthread_atfork((void *)0, (void *)0, (void *)0); +], [je_cv_pthread_atfork]) + if test "x${je_cv_pthread_atfork}" = "xyes" ; then + AC_DEFINE([JEMALLOC_HAVE_PTHREAD_ATFORK], [ ]) + fi fi CPPFLAGS="$CPPFLAGS -D_REENTRANT" @@ -1386,20 +1396,33 @@ if test "x${je_cv_mach_absolute_time}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_MACH_ABSOLUTE_TIME]) fi -dnl Check if syscall(2) is usable. Treat warnings as errors, so that e.g. OS X -dnl 10.12's deprecation warning prevents use. -SAVED_CFLAGS="${CFLAGS}" -JE_CFLAGS_APPEND([-Werror]) -JE_COMPILABLE([syscall(2)], [ +dnl Use syscall(2) (if available) by default. +AC_ARG_ENABLE([syscall], + [AS_HELP_STRING([--disable-syscall], [Disable use of syscall(2)])], +[if test "x$enable_syscall" = "xno" ; then + enable_syscall="0" +else + enable_syscall="1" +fi +], +[enable_syscall="1"] +) +if test "x$enable_syscall" = "x1" ; then + dnl Check if syscall(2) is usable. Treat warnings as errors, so that e.g. OS + dnl X 10.12's deprecation warning prevents use. + SAVED_CFLAGS="${CFLAGS}" + JE_CFLAGS_APPEND([-Werror]) + JE_COMPILABLE([syscall(2)], [ #include <sys/syscall.h> #include <unistd.h> ], [ syscall(SYS_write, 2, "hello", 5); ], - [je_cv_syscall]) -CFLAGS="${SAVED_CFLAGS}" -if test "x$je_cv_syscall" = "xyes" ; then - AC_DEFINE([JEMALLOC_HAVE_SYSCALL], [ ]) + [je_cv_syscall]) + CFLAGS="${SAVED_CFLAGS}" + if test "x$je_cv_syscall" = "xyes" ; then + AC_DEFINE([JEMALLOC_USE_SYSCALL], [ ]) + fi fi dnl Check if the GNU-specific secure_getenv function exists. @@ -1599,12 +1622,41 @@ dnl Check for madvise(2). JE_COMPILABLE([madvise(2)], [ #include <sys/mman.h> ], [ - { - madvise((void *)0, 0, 0); - } + madvise((void *)0, 0, 0); ], [je_cv_madvise]) if test "x${je_cv_madvise}" = "xyes" ; then AC_DEFINE([JEMALLOC_HAVE_MADVISE], [ ]) + + dnl Check for madvise(..., MADV_FREE). + JE_COMPILABLE([madvise(..., MADV_FREE)], [ +#include <sys/mman.h> +], [ + madvise((void *)0, 0, MADV_FREE); +], [je_cv_madv_free]) + if test "x${je_cv_madv_free}" = "xyes" ; then + AC_DEFINE([JEMALLOC_PURGE_MADVISE_FREE], [ ]) + fi + + dnl Check for madvise(..., MADV_DONTNEED). + JE_COMPILABLE([madvise(..., MADV_DONTNEED)], [ +#include <sys/mman.h> +], [ + madvise((void *)0, 0, MADV_DONTNEED); +], [je_cv_madv_dontneed]) + if test "x${je_cv_madv_dontneed}" = "xyes" ; then + AC_DEFINE([JEMALLOC_PURGE_MADVISE_DONTNEED], [ ]) + fi + + dnl Check for madvise(..., MADV_[NO]HUGEPAGE). + JE_COMPILABLE([madvise(..., MADV_[[NO]]HUGEPAGE)], [ +#include <sys/mman.h> +], [ + madvise((void *)0, 0, MADV_HUGEPAGE); + madvise((void *)0, 0, MADV_NOHUGEPAGE); +], [je_cv_thp]) + if test "x${je_cv_thp}" = "xyes" ; then + AC_DEFINE([JEMALLOC_THP], [ ]) + fi fi dnl ============================================================================ @@ -1669,10 +1721,15 @@ dnl Check for os_unfair_lock operations as provided on Darwin. JE_COMPILABLE([Darwin os_unfair_lock_*()], [ #include <os/lock.h> +#include <AvailabilityMacros.h> ], [ + #if MAC_OS_X_VERSION_MIN_REQUIRED < 101200 + #error "os_unfair_lock is not supported" + #else os_unfair_lock lock = OS_UNFAIR_LOCK_INIT; os_unfair_lock_lock(&lock); os_unfair_lock_unlock(&lock); + #endif ], [je_cv_os_unfair_lock]) if test "x${je_cv_os_unfair_lock}" = "xyes" ; then AC_DEFINE([JEMALLOC_OS_UNFAIR_LOCK], [ ]) |