+AC_DEFUN([ZFS_AC_DEBUGINFO_ENABLE], [
+ DEBUG_CFLAGS="$DEBUG_CFLAGS -g -fno-inline"
+
+ KERNEL_DEBUG_CFLAGS="$KERNEL_DEBUG_CFLAGS -fno-inline"
+ KERNEL_MAKE="$KERNEL_MAKE CONFIG_DEBUG_INFO=y"
+
+ DEBUGINFO_ZFS="_with_debuginfo"
+])
+
+AC_DEFUN([ZFS_AC_DEBUGINFO_DISABLE], [
+ DEBUGINFO_ZFS="_without_debuginfo"
+])
+
+AC_DEFUN([ZFS_AC_DEBUGINFO], [
+ AC_MSG_CHECKING([whether debuginfo support will be forced])
+ AC_ARG_ENABLE([debuginfo],
+ [AS_HELP_STRING([--enable-debuginfo],
+ [Force generation of debuginfo @<:@default=no@:>@])],
+ [],
+ [enable_debuginfo=no])
+
+ AS_CASE(["x$enable_debuginfo"],
+ ["xyes"],
+ [ZFS_AC_DEBUGINFO_ENABLE],
+ ["xno"],
+ [ZFS_AC_DEBUGINFO_DISABLE],
+ [AC_MSG_ERROR([Unknown option $enable_debuginfo])])
+
+ AC_SUBST(DEBUG_CFLAGS)
+ AC_SUBST(DEBUGINFO_ZFS)
+
+ AC_SUBST(KERNEL_DEBUG_CFLAGS)
+ AC_SUBST(KERNEL_MAKE)
+
+ AC_MSG_RESULT([$enable_debuginfo])
+])
+
+dnl #
+dnl # Disabled by default, provides basic memory tracking. Track the total
+dnl # number of bytes allocated with kmem_alloc() and freed with kmem_free().
+dnl # Then at module unload time if any bytes were leaked it will be reported
+dnl # on the console.
+dnl #
+AC_DEFUN([ZFS_AC_DEBUG_KMEM], [
+ AC_MSG_CHECKING([whether basic kmem accounting is enabled])
+ AC_ARG_ENABLE([debug-kmem],
+ [AS_HELP_STRING([--enable-debug-kmem],
+ [Enable basic kmem accounting @<:@default=no@:>@])],
+ [],
+ [enable_debug_kmem=no])
+
+ AS_IF([test "x$enable_debug_kmem" = xyes], [
+ KERNEL_DEBUG_CPPFLAGS+=" -DDEBUG_KMEM"
+ DEBUG_KMEM_ZFS="_with_debug_kmem"
+ ], [
+ DEBUG_KMEM_ZFS="_without_debug_kmem"
+ ])
+
+ AC_SUBST(KERNEL_DEBUG_CPPFLAGS)
+ AC_SUBST(DEBUG_KMEM_ZFS)
+
+ AC_MSG_RESULT([$enable_debug_kmem])
+])
+
+dnl #
+dnl # Disabled by default, provides detailed memory tracking. This feature
+dnl # also requires --enable-debug-kmem to be set. When enabled not only will
+dnl # total bytes be tracked but also the location of every kmem_alloc() and
+dnl # kmem_free(). When the module is unloaded a list of all leaked addresses
+dnl # and where they were allocated will be dumped to the console. Enabling
+dnl # this feature has a significant impact on performance but it makes finding
+dnl # memory leaks straight forward.
+dnl #
+AC_DEFUN([ZFS_AC_DEBUG_KMEM_TRACKING], [
+ AC_MSG_CHECKING([whether detailed kmem tracking is enabled])
+ AC_ARG_ENABLE([debug-kmem-tracking],
+ [AS_HELP_STRING([--enable-debug-kmem-tracking],
+ [Enable detailed kmem tracking @<:@default=no@:>@])],
+ [],
+ [enable_debug_kmem_tracking=no])
+
+ AS_IF([test "x$enable_debug_kmem_tracking" = xyes], [
+ KERNEL_DEBUG_CPPFLAGS+=" -DDEBUG_KMEM_TRACKING"
+ DEBUG_KMEM_TRACKING_ZFS="_with_debug_kmem_tracking"
+ ], [
+ DEBUG_KMEM_TRACKING_ZFS="_without_debug_kmem_tracking"
+ ])
+
+ AC_SUBST(KERNEL_DEBUG_CPPFLAGS)
+ AC_SUBST(DEBUG_KMEM_TRACKING_ZFS)
+
+ AC_MSG_RESULT([$enable_debug_kmem_tracking])
+])
+
+AC_DEFUN([ZFS_AC_CONFIG_ALWAYS], [
+ ZFS_AC_CONFIG_ALWAYS_CC_NO_UNUSED_BUT_SET_VARIABLE
+ ZFS_AC_CONFIG_ALWAYS_CC_NO_BOOL_COMPARE
+ ZFS_AC_CONFIG_ALWAYS_CC_FRAME_LARGER_THAN
+ ZFS_AC_CONFIG_ALWAYS_CC_NO_FORMAT_TRUNCATION
+ ZFS_AC_CONFIG_ALWAYS_CC_NO_OMIT_FRAME_POINTER
+ ZFS_AC_CONFIG_ALWAYS_CC_ASAN
+ ZFS_AC_CONFIG_ALWAYS_TOOLCHAIN_SIMD
+ ZFS_AC_CONFIG_ALWAYS_SYSTEM
+ ZFS_AC_CONFIG_ALWAYS_ARCH
+ ZFS_AC_CONFIG_ALWAYS_PYTHON
+ ZFS_AC_CONFIG_ALWAYS_PYZFS
+ ZFS_AC_CONFIG_ALWAYS_SED
+])
+