Add more efl m4 macros
Signed-off-by: Chris Michael <devilhorns@comcast.net>
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dnl Copyright (C) 2011 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 Macros for checking if the compiler supports some __attribute__ uses
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dnl Usage: EFL_ATTRIBUTE_VECTOR
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dnl call AC_DEFINE for HAVE_GCC_ATTRIBUTE_VECTOR if __attribute__((vector)) is available
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AC_DEFUN([EFL_ATTRIBUTE_VECTOR],
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[
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AC_MSG_CHECKING([for __attribute__ ((vector))])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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typedef int v4si __attribute__ ((vector_size (16)));
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]],
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[[
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if (sizeof(v4si) == 16)
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return 0;
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else
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return -1;
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]])],
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[have_attribute_vector="yes"],
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[have_attribute_vector="no"])
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AC_MSG_RESULT([${have_attribute_vector}])
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if test "x${have_attribute_vector}" = "xyes" ; then
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AC_DEFINE([HAVE_GCC_ATTRIBUTE_VECTOR], [1], [Define to 1 if your compiler supports __attribute__ ((vector)).])
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fi
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])
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dnl Usage: EFL_ATTRIBUTE_ALWAYS_INLINE
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dnl call AC_DEFINE for alway_inline if __attribute__((always_inline)) is available
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AC_DEFUN([EFL_ATTRIBUTE_ALWAYS_INLINE],
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[
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have_attribute_forceinline="no"
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AC_MSG_CHECKING([for __forceinline])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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#include <windows.h>
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static __forceinline void foo(void) {}
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]],
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[[
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]])],
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[
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have_attribute_always_inline="yes"
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have_attribute_forceinline="yes"
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],
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[have_attribute_always_inline="no"])
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AC_MSG_RESULT([${have_attribute_always_inline}])
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if test "x${have_attribute_always_inline}" = "xno" ; then
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AC_MSG_CHECKING([for __attribute__ ((__always_inline__))])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(
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[[
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static __attribute__((__always_inline__)) inline void foo(void) {}
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]],
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[[
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]])],
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[have_attribute_always_inline="yes"],
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[have_attribute_always_inline="no"])
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AC_MSG_RESULT([${have_attribute_always_inline}])
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fi
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if test "x${have_attribute_always_inline}" = "xyes" ; then
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if test "x${have_attribute_forceinline}" = "xyes" ; then
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AC_DEFINE([EFL_ALWAYS_INLINE], [__forceinline], [Macro declaring a function to always be inlined.])
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else
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AC_DEFINE([EFL_ALWAYS_INLINE], [__attribute__ ((__always_inline__)) inline], [Macro declaring a function to always be inlined.])
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fi
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else
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AC_DEFINE([EFL_ALWAYS_INLINE], [static inline], [Macro declaring a function to always be inlined.])
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fi
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])
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dnl End of efl_attribute.m4
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dnl Copyright (C) 2012 Vincent Torri <vincent dot torri at gmail dot com>
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dnl This code is public domain and can be freely used or copied.
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dnl Macro that check if compiler of linker flags are available
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dnl Macro that checks for a compiler flag availability
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dnl
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dnl _EFL_CHECK_COMPILER_FLAGS(EFL, FLAGS)
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dnl AC_SUBST : EFL_CFLAGS (EFL being replaced by its value)
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dnl have_flag: yes or no.
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AC_DEFUN([_EFL_CHECK_COMPILER_FLAGS],
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[dnl
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m4_pushdef([UPEFL], m4_translit([[$1]], [-a-z], [_A-Z]))dnl
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dnl store in options -Wfoo if -Wno-foo is passed
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option="m4_bpatsubst([[$2]], [-Wno-], [-W])"
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CFLAGS_save="${CFLAGS}"
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CFLAGS="${CFLAGS} ${option}"
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AC_LANG_PUSH([C])
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AC_MSG_CHECKING([whether the compiler supports $2])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM([[]])],
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[have_flag="yes"],
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[have_flag="no"])
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AC_MSG_RESULT([${have_flag}])
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AC_LANG_POP([C])
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CFLAGS="${CFLAGS_save}"
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if test "x${have_flag}" = "xyes" ; then
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UPEFL[_CFLAGS]="${UPEFL[_CFLAGS]} [$2]"
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fi
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AC_SUBST(UPEFL[_CFLAGS])dnl
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m4_popdef([UPEFL])dnl
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])
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dnl EFL_CHECK_COMPILER_FLAGS(EFL, FLAGS)
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dnl Checks if FLAGS are supported and add to EFL_CLFAGS.
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dnl
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dnl It will first try every flag at once, if one fails will try them one by one.
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AC_DEFUN([EFL_CHECK_COMPILER_FLAGS],
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[dnl
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_EFL_CHECK_COMPILER_FLAGS([$1], [$2])
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if test "${have_flag}" != "yes"; then
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m4_foreach_w([flag], [$2], [_EFL_CHECK_COMPILER_FLAGS([$1], m4_defn([flag]))])
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fi
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])
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dnl Macro that checks for a linker flag availability
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dnl
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dnl _EFL_CHECK_LINKER_FLAGS(EFL, FLAGS)
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dnl AC_SUBST : EFL_LDFLAGS (EFL being replaced by its value)
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dnl have_flag: yes or no
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AC_DEFUN([_EFL_CHECK_LINKER_FLAGS],
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[dnl
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m4_pushdef([UPEFL], m4_translit([[$1]], [-a-z], [_A-Z]))dnl
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LDFLAGS_save="${LDFLAGS}"
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LDFLAGS="${LDFLAGS} $2"
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AC_LANG_PUSH([C])
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AC_MSG_CHECKING([whether the linker supports $2])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([[]])],
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[have_flag="yes"],
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[have_flag="no"])
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AC_MSG_RESULT([${have_flag}])
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AC_LANG_POP([C])
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LDFLAGS="${LDFLAGS_save}"
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if test "x${have_flag}" = "xyes" ; then
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UPEFL[_LDFLAGS]="${UPEFL[_LDFLAGS]} [$2]"
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fi
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AC_SUBST(UPEFL[_LDFLAGS])dnl
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m4_popdef([UPEFL])dnl
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])
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dnl EFL_CHECK_LINKER_FLAGS(EFL, FLAGS)
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dnl Checks if FLAGS are supported and add to EFL_CLFAGS.
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dnl
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dnl It will first try every flag at once, if one fails will try them one by one.
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AC_DEFUN([EFL_CHECK_LINKER_FLAGS],
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[dnl
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_EFL_CHECK_LINKER_FLAGS([$1], [$2])
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if test "${have_flag}" != "yes"; then
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m4_foreach_w([flag], [$2], [_EFL_CHECK_LINKER_FLAGS([$1], m4_defn([flag]))])
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fi
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])dnl
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@ -0,0 +1,132 @@
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dnl Copyright (C) 2010 Vincent Torri <vtorri at univ-evry dot fr>
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dnl rwlock code added by Mike Blumenkrantz <mike at zentific dot com>
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dnl This code is public domain and can be freely used or copied.
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dnl Macro that check if POSIX or Win32 threads library is available or not.
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dnl Usage: EFL_CHECK_THREADS(ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
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dnl Call AC_SUBST(EFL_PTHREAD_CFLAGS)
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dnl Call AC_SUBST(EFL_PTHREAD_LIBS)
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dnl Defines EFL_HAVE_POSIX_THREADS or EFL_HAVE_WIN32_THREADS, and EFL_HAVE_THREADS
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AC_DEFUN([EFL_CHECK_THREADS],
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[
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dnl Generic thread detection
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EFL_PTHREAD_CFLAGS="-D_REENTRANT"
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EFL_PTHREAD_LIBS=""
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_efl_have_posix_threads="no"
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_efl_have_win32_threads="no"
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dnl Use generic infrastructure for pthread detection (What a hell of a mess !)
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gl_LOCK
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AC_DEFINE([EFL_HAVE_THREADS], [1], [Define to mention that POSIX or Win32 threads are supported])
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case "$host_os" in
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mingw*)
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_efl_have_win32_threads="yes"
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efl_have_setaffinity="yes"
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AC_DEFINE([EFL_HAVE_WIN32_THREADS], [1], [Define to mention that Win32 threads are supported])
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;;
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*)
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_efl_have_posix_threads="${gl_use_threads}"
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AC_DEFINE([EFL_HAVE_POSIX_THREADS], [1], [Define to mention that POSIX threads are supported])
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;;
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esac
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dnl System specific CFLAGS
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if test "x${_efl_have_posix_threads}" = "xyes"; then
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case "$host_os" in
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osf*) EFL_PTHREAD_CFLAGS="-D_REENTRANT" ;;
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aix* | freebsd*) EFL_PTHREAD_CFLAGS="-D_THREAD_SAFE" ;;
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solaris*) EFL_PTHREAD_CFLAGS="-D_REENTRANT" ;;
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esac
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fi
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dnl check if the compiler supports POSIX threads
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if test "x${_efl_have_posix_threads}" = "xyes" ; then
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SAVE_LIBS=${LIBS}
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LIBS="${LIBS} ${LIBMULTITHREAD}"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([[
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#include <pthread.h>
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]],
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[[
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pthread_barrier_t barrier;
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pthread_barrier_init(&barrier, NULL, 1);
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]])],
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[efl_have_pthread_barrier="yes"],
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[efl_have_pthread_barrier="no"])
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([[
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#include <stdlib.h>
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#include <pthread.h>
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#include <sched.h>
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]],
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[[
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pthread_attr_setaffinity_np(NULL, 0, NULL);
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]])],
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[efl_have_setaffinity="yes"],
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[efl_have_setaffinity="no"])
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LIBS=${SAVE_LIBS}
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fi
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AC_MSG_CHECKING([which threads API is used])
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if test "x${_efl_have_posix_threads}" = "xyes" ; then
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efl_have_threads="POSIX"
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else
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if test "x${_efl_have_win32_threads}" = "xyes" ; then
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efl_have_threads="Windows"
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efl_have_pthread_barrier="no"
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else
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efl_have_threads="no"
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efl_have_pthread_barrier="no"
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fi
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fi
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AC_MSG_RESULT([${efl_have_threads}])
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EFL_PTHREAD_LIBS="${LTLIBMULTITHREAD}"
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AC_SUBST(EFL_PTHREAD_CFLAGS)
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AC_SUBST(EFL_PTHREAD_LIBS)
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dnl check if the compiler supports pthreads spinlock
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efl_have_posix_threads_spinlock="no"
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if test "x${_efl_have_posix_threads}" = "xyes" ; then
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SAVE_LIBS=${LIBS}
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LIBS="${LIBS} ${LIBMULTITHREAD}"
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AC_LINK_IFELSE(
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[AC_LANG_PROGRAM([[
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#include <pthread.h>
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#include <sched.h>
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]],
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[[
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pthread_spinlock_t lock;
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int res;
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res = pthread_spin_init(&lock, PTHREAD_PROCESS_PRIVATE);
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sched_yield();
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]])],
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[efl_have_posix_threads_spinlock="yes"],
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[efl_have_posix_threads_spinlock="no"])
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LIBS=${SAVE_LIBS}
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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([${efl_have_posix_threads_spinlock}])
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if test "x${efl_have_posix_threads_spinlock}" = "xyes" ; then
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AC_DEFINE([EFL_HAVE_POSIX_THREADS_SPINLOCK], [1], [Define to mention that POSIX threads spinlocks are supported])
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fi
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AS_IF([test "x$_efl_have_posix_threads" = "xyes" || test "x$_efl_have_win32_threads" = "xyes"],
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[$1],
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[m4_if([$2], [$2], [AC_MSG_ERROR([Threads are required.])])])
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])
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