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abort when pthread is requested but not found 

patch by Albin Tonnerre



SVN revision: 46656
This commit is contained in:
Vincent Torri 2010-02-28 17:28:05 +00:00
parent 9129d1d30a
commit 9706b7206e
1 changed files with 57 additions and 15 deletions
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72
legacy/ecore/m4/efl_pthread.m4
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@ -1,11 +1,13 @@
dnl Copyright (C) 2008 Vincent Torri <vtorri at univ-evry dot fr>
dnl Copyright (C) 2010 Vincent Torri <vtorri at univ-evry dot fr>
dnl That code is public domain and can be freely used or copied.
dnl Macro that check if several ASM instruction sets are available or not.
dnl Macro that check if several pthread library is available or not.
dnl Usage: EFL_CHECK_EFL_CHECK_PTHREAD([ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Call AC_SUBST(EFL_PTHREAD_FLAGS)
dnl Usage: EFL_CHECK_PTHREAD(want_pthread_spin[, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Call AC_SUBST(EFL_PTHREAD_CFLAGS)
dnl Call AC_SUBST(EFL_PTHREAD_LIBS)
dnl Define EFL_HAVE_PTHREAD
dnl Define EFL_HAVE_PTHREAD_SPINLOCK
AC_DEFUN([EFL_CHECK_PTHREAD],
[
@ -13,7 +15,7 @@ AC_DEFUN([EFL_CHECK_PTHREAD],
dnl configure option
AC_ARG_ENABLE([pthread],
[AC_HELP_STRING([--disable-pthread], [enable POSIX threads code @<:@default=yes@:>@])],
[AC_HELP_STRING([--disable-pthread], [enable POSIX threads code @<:@default=auto@:>@])],
[
if test "x${enableval}" = "xyes" ; then
_efl_enable_pthread="yes"
@ -21,7 +23,7 @@ AC_ARG_ENABLE([pthread],
_efl_enable_pthread="no"
fi
],
[_efl_enable_pthread="yes"])
[_efl_enable_pthread="auto"])
AC_MSG_CHECKING([whether to build POSIX threads code])
AC_MSG_RESULT([${_efl_enable_pthread}])
@ -30,20 +32,32 @@ dnl check if the compiler supports pthreads
_efl_have_pthread="no"
if test "x${_efl_enable_pthread}" = "xyes" ; then
AC_CHECK_HEADER(pthread.h,
if test "x${_efl_enable_pthread}" = "xyes" || test "x${_efl_enable_pthread}" = "xauto" ; then
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
]],
[[
pthread_t id;
id = pthread_self();
]])],
[_efl_have_pthread="yes"],
[_efl_have_pthread="no"])
fi
AC_MSG_CHECKING([whether system support POSIX threads])
AC_MSG_RESULT([${_efl_enable_pthread}])
AC_MSG_RESULT([${_efl_have_pthread}])
if test "$x{_efl_enable_pthread}" = "xyes" && test "x${_efl_have_pthread}" = "xno"; then
AC_MSG_ERROR([pthread support requested but not found.])
fi
if test "x${_efl_have_pthread}" = "xyes" ; then
case "$host_os" in
mingw*)
EFL_PTHREAD_CFLAGS="-mthreads"
EFL_PTHREAD_LIBS="-mthreads -lpthreadGC2"
EFL_PTHREAD_CFLAGS=""
EFL_PTHREAD_LIBS="-lpthreadGC2"
;;
solaris*)
EFL_PTHREAD_CFLAGS="-mt"
@ -63,9 +77,37 @@ if test "x${_efl_have_pthread}" = "xyes" ; then
AC_DEFINE(EFL_HAVE_PTHREAD, 1, [Define to mention that POSIX threads are supported])
fi
if test "x${_efl_have_pthread}" = "xyes" ; then
ifelse([$1], , :, [$1])
else
ifelse([$2], , :, [$2])
dnl check if the compiler supports pthreads spinlock
_efl_have_pthread_spinlock="no"
if test "x${_efl_have_pthread}" = "xyes" && test "x$1" = "xyes" ; then
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#include <pthread.h>
]],
[[
pthread_spinlock_t lock;
int res;
res = pthread_spin_init(&lock, PTHREAD_PROCESS_PRIVATE);
]])],
[_efl_have_pthread_spinlock="yes"],
[_efl_have_pthread_spinlock="no"])
fi
AC_MSG_CHECKING([whether to build POSIX threads spinlock code])
AC_MSG_RESULT([${_efl_have_pthread_spinlock}])
if test "$x{_efl_enable_pthread}" = "xyes" && test "x${_efl_have_pthread_spinlock}" = "xno"; then
AC_MSG_ERROR([pthread support requested but spinlocks are not supported])
fi
if test "x${_efl_have_pthread_spinlock}" = "xyes" ; then
AC_DEFINE(EFL_HAVE_PTHREAD_SPINLOCK, 1, [Define to mention that POSIX threads spinlocks are supported])
fi
AS_IF([test "x$_efl_have_pthread" = "xyes"], [$2], [$3])
AS_IF([test "x$_efl_have_pthread_spinlock" = "xyes"], [$4], [$5])
])