## C compiler checks ##
## ##
-# Choose the c compiler
+# Choose the C compiler
AC_PROG_CC
+# AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70
m4_version_prereq([2.70], [], [AC_PROG_CC_STDC])
-# Make sure the c compiler supports C99
+# Make sure the C compiler supports C99
AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])])
# Enable available system extensions and LFS support
AC_USE_SYSTEM_EXTENSIONS
AC_SYS_LARGEFILE
-# Make sure the c compiler supports __attributes__
+# Make sure the C compiler supports __attributes__
AX_C___ATTRIBUTE__
AS_IF([test "x$ax_cv___attribute__" != "xyes"],
[AC_MSG_ERROR([The compiler does not support __attribute__ extensions])])
# Checks for typedefs, structures, and compiler characteristics.
AC_C_INLINE
AC_C_TYPEOF
-AC_TYPE_PID_T
-AC_TYPE_SIZE_T
AC_TYPE_INT16_T
AC_TYPE_INT32_T
AC_TYPE_INT64_T
AC_TYPE_INT8_T
AC_TYPE_OFF_T
+AC_TYPE_PID_T
+AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
])
-## ##
-## Set automake variables for optionnal feature conditionnals in Makefile.am ##
-## ##
+## ##
+## Set automake variables for optional feature conditionnals in Makefile.am ##
+## ##
AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS], AE_IS_FEATURE_ENABLED([python-bindings]))
AM_CONDITIONAL([ENABLE_PYTHON_BINDINGS_DOC], AE_IS_FEATURE_ENABLED([python-bindings-doc]))
AM_CONDITIONAL([ENABLE_ASAN], AE_IS_FEATURE_ENABLED([asan]))
-## ##
-## Set defines for optionnal features conditionnals in the source code ##
-## ##
+## ##
+## Set defines for optional features conditionnals in the source code ##
+## ##
AE_IF_FEATURE_ENABLED([built-in-plugins],
[AC_DEFINE([BT_BUILT_IN_PLUGINS], [1], [Define to 1 to register plug-in attributes in static executable sections])]
AE_IF_FEATURE_ENABLED([asan], [ENABLE_ASAN=1], [ENABLE_ASAN=0])
AC_SUBST([ENABLE_ASAN])
-## ##
-## Check for optionnal features dependencies ##
-## ##
+## ##
+## Check for optional features dependencies ##
+## ##
# The Python bindings require SWIG
AE_IF_FEATURE_ENABLED([python-bindings],