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FreeBSD module --enable-debug --enable-invariants

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Wire up the --enable-debug flag for configure to the FreeBSD module
build.  Add --enable-invariants.

The running FreeBSD kernel config is used to detect whether to enable
INVARIANTS if not explicitly specified with --enable-invariants or
--disable-invariants.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #11678
This commit is contained in:
Ryan Moeller
2021-03-05 15:16:41 -05:00
committed by GitHub
parent fd1c366f82
commit ba74de88c0
3 changed files with 42 additions and 0 deletions
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config/zfs-build.m4
+36
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@@ -11,6 +11,7 @@ AC_DEFUN([ZFS_AC_DEBUG_ENABLE], [
DEBUG_CPPFLAGS="-DDEBUG -UNDEBUG"
DEBUG_LDFLAGS=""
DEBUG_ZFS="_with_debug"
WITH_DEBUG="true"
AC_DEFINE(ZFS_DEBUG, 1, [zfs debugging enabled])
KERNEL_DEBUG_CFLAGS="-Werror"
@@ -22,6 +23,7 @@ AC_DEFUN([ZFS_AC_DEBUG_DISABLE], [
DEBUG_CPPFLAGS="-UDEBUG -DNDEBUG"
DEBUG_LDFLAGS=""
DEBUG_ZFS="_without_debug"
WITH_DEBUG=""
KERNEL_DEBUG_CFLAGS=""
KERNEL_DEBUG_CPPFLAGS="-UDEBUG -DNDEBUG"
@@ -51,6 +53,7 @@ AC_DEFUN([ZFS_AC_DEBUG], [
AC_SUBST(DEBUG_CPPFLAGS)
AC_SUBST(DEBUG_LDFLAGS)
AC_SUBST(DEBUG_ZFS)
AC_SUBST(WITH_DEBUG)
AC_SUBST(KERNEL_DEBUG_CFLAGS)
AC_SUBST(KERNEL_DEBUG_CPPFLAGS)
@@ -152,6 +155,39 @@ AC_DEFUN([ZFS_AC_DEBUG_KMEM_TRACKING], [
AC_MSG_RESULT([$enable_debug_kmem_tracking])
])
AC_DEFUN([ZFS_AC_DEBUG_INVARIANTS_DETECT_FREEBSD], [
AS_IF([sysctl -n kern.conftxt | fgrep -qx $'options\tINVARIANTS'],
[enable_invariants="yes"],
[enable_invariants="no"])
])
AC_DEFUN([ZFS_AC_DEBUG_INVARIANTS_DETECT], [
AM_COND_IF([BUILD_FREEBSD],
[ZFS_AC_DEBUG_INVARIANTS_DETECT_FREEBSD],
[enable_invariants="no"])
])
dnl #
dnl # Detected for the running kernel by default, enables INVARIANTS features
dnl # in the FreeBSD kernel module. This feature must be used when building
dnl # for a FreeBSD kernel with "options INVARIANTS" in the KERNCONF and must
dnl # not be used when the INVARIANTS option is absent.
dnl #
AC_DEFUN([ZFS_AC_DEBUG_INVARIANTS], [
AC_MSG_CHECKING([whether FreeBSD kernel INVARIANTS checks are enabled])
AC_ARG_ENABLE([invariants],
[AS_HELP_STRING([--enable-invariants],
[Enable FreeBSD kernel INVARIANTS checks [[default: detect]]])],
[], [ZFS_AC_DEBUG_INVARIANTS_DETECT])
AS_IF([test "x$enable_invariants" = xyes],
[WITH_INVARIANTS="true"],
[WITH_INVARIANTS=""])
AC_SUBST(WITH_INVARIANTS)
AC_MSG_RESULT([$enable_invariants])
])
AC_DEFUN([ZFS_AC_CONFIG_ALWAYS], [
AX_COUNT_CPUS([])
AC_SUBST(CPU_COUNT)