106 lines
2.7 KiB
Plaintext
106 lines
2.7 KiB
Plaintext
dnl Copyright (C) 2008 Vincent Torri <vtorri at univ-evry dot fr>
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dnl That code is public domain and can be freely used or copied.
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dnl Macro that check if several ASM instruction sets are available or not.
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dnl Usage: EFL_CHECK_EFL_CHECK_PTHREAD(want_pthread_spin[, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
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dnl Call AC_SUBST(EFL_PTHREAD_FLAGS)
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dnl Define EFL_HAVE_PTHREAD
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AC_DEFUN([EFL_CHECK_PTHREAD],
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[
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dnl configure option
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AC_ARG_ENABLE([pthread],
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[AC_HELP_STRING([--disable-pthread], [enable POSIX threads code @<:@default=yes@:>@])],
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[
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if test "x${enableval}" = "xyes" ; then
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_efl_enable_pthread="yes"
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else
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_efl_enable_pthread="no"
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fi
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],
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[_efl_enable_pthread="yes"])
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AC_MSG_CHECKING([whether to build POSIX threads code])
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AC_MSG_RESULT([${_efl_enable_pthread}])
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dnl check if the compiler supports pthreads
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_efl_have_pthread="no"
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if test "x${_efl_enable_pthread}" = "xyes" ; then
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[
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#include <pthread.h>
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]],
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[[
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pthread_t id;
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id = pthread_self();
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]])],
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[_efl_have_pthread="yes"],
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[_efl_have_pthread="no"])
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fi
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AC_MSG_CHECKING([whether system support POSIX threads])
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AC_MSG_RESULT([${_efl_enable_pthread}])
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if test "x${_efl_have_pthread}" = "xyes" ; then
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case "$host_os" in
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mingw*)
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EFL_PTHREAD_CFLAGS=""
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EFL_PTHREAD_LIBS="-lpthreadGCE2"
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;;
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solaris*)
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EFL_PTHREAD_CFLAGS="-mt"
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EFL_PTHREAD_LIBS="-mt"
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;;
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*)
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EFL_PTHREAD_CFLAGS="-pthread"
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EFL_PTHREAD_LIBS="-pthread"
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;;
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esac
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fi
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AC_SUBST(EFL_PTHREAD_CFLAGS)
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AC_SUBST(EFL_PTHREAD_LIBS)
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if test "x${_efl_have_pthread}" = "xyes" ; then
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AC_DEFINE(EFL_HAVE_PTHREAD, 1, [Define to mention that POSIX threads are supported])
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fi
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dnl check if the compiler supports pthreads spinlock
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_efl_have_pthread_spinlock="no"
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if test "x${_efl_have_pthread}" = "xyes" && test "x$1" = "xyes" ; then
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[
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#include <pthread.h>
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]],
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[[
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pthread_spinlock_t lock;
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int res;
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res = pthread_spin_init(&lock, PTHREAD_PROCESS_PRIVATE);
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]])],
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[_efl_have_pthread_spinlock="yes"],
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[_efl_have_pthread_spinlock="no"])
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fi
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AC_MSG_CHECKING([whether to build POSIX threads spinlock code])
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AC_MSG_RESULT([${_efl_have_pthread_spinlock}])
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if test "x${_efl_have_pthread_spinlock}" = "xyes" ; then
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AC_DEFINE(EFL_HAVE_PTHREAD_SPINLOCK, 1, [Define to mention that POSIX threads spinlocks are supported])
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fi
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AS_IF([test "x$_efl_have_pthread" = "xyes"], [$2], [$3])
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AS_IF([test "x$_efl_have_pthread_spinlock" = "xyes"], [$4], [$5])
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])
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