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Implement --enable-debuginfo to permit us to force building with debuginfo #2734

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Implement --enable-debuginfo to permit us to force building with debuginfo #2734

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57a842a
Make --enable-debug fail when given bogus arguments
ryao Sep 23, 2014
7098243
Implement --enable-debuginfo to force debuginfo injection
ryao Sep 23, 2014
a329557
Merge branch 'master' into debuginfo
ryao Jul 14, 2017
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77 changes: 58 additions & 19 deletions config/zfs-build.m4
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Original file line number Diff line number Diff line change
Expand Up @@ -6,37 +6,76 @@ AC_DEFUN([ZFS_AC_LICENSE], [
AC_MSG_RESULT([$ZFS_META_LICENSE])
])

AC_DEFUN([ZFS_AC_DEBUG_ENABLE], [
KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG -Werror"
HOSTCFLAGS="${HOSTCFLAGS} -DDEBUG -Werror"
DEBUG_CFLAGS="-DDEBUG -Werror"
DEBUG_STACKFLAGS="-fstack-check"
DEBUG_ZFS="_with_debug"
AC_DEFINE(ZFS_DEBUG, 1, [zfs debugging enabled])
])

AC_DEFUN([ZFS_AC_DEBUG_DISABLE], [
KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG "
HOSTCFLAGS="${HOSTCFLAGS} -DNDEBUG "
DEBUG_CFLAGS="-DNDEBUG"
DEBUG_STACKFLAGS=""
DEBUG_ZFS="_without_debug"
])

AC_DEFUN([ZFS_AC_DEBUG], [
AC_MSG_CHECKING([whether debugging is enabled])
AC_MSG_CHECKING([whether assertion support will be enabled])
AC_ARG_ENABLE([debug],
[AS_HELP_STRING([--enable-debug],
[Enable generic debug support @<:@default=no@:>@])],
[Enable assertion support @<:@default=no@:>@])],
[],
[enable_debug=no])

AS_IF([test "x$enable_debug" = xyes],
[
KERNELCPPFLAGS="${KERNELCPPFLAGS} -DDEBUG -Werror"
HOSTCFLAGS="${HOSTCFLAGS} -DDEBUG -Werror"
DEBUG_CFLAGS="-DDEBUG -Werror"
DEBUG_STACKFLAGS="-fstack-check"
DEBUG_ZFS="_with_debug"
AC_DEFINE(ZFS_DEBUG, 1, [zfs debugging enabled])
],
[
KERNELCPPFLAGS="${KERNELCPPFLAGS} -DNDEBUG "
HOSTCFLAGS="${HOSTCFLAGS} -DNDEBUG "
DEBUG_CFLAGS="-DNDEBUG"
DEBUG_STACKFLAGS=""
DEBUG_ZFS="_without_debug"
])
AS_CASE(["x$enable_debug"],
["xyes"],
[ZFS_AC_DEBUG_ENABLE],
["xno"],
[ZFS_AC_DEBUG_DISABLE],
[AC_MSG_ERROR([Unknown option $enable_debug])])

AC_SUBST(DEBUG_CFLAGS)
AC_SUBST(DEBUG_STACKFLAGS)
AC_SUBST(DEBUG_ZFS)
AC_MSG_RESULT([$enable_debug])
])

AC_DEFUN([ZFS_AC_DEBUGINFO_KERNEL], [
KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS CONFIG_DEBUG_INFO=y"
])

AC_DEFUN([ZFS_AC_DEBUGINFO_USER], [
DEBUG_CFLAGS="$DEBUG_CFLAGS -g"
])


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_KERNEL
ZFS_AC_DEBUGINFO_USER],
["xkernel"],
[ZFS_AC_DEBUGINFO_KERNEL],
["xuser"],
[ZFS_AC_DEBUGINFO_USER],
["xno"],
[],
[AC_MSG_ERROR([Unknown option $enable_debug])])

AC_SUBST(DEBUG_CFLAGS)
AC_MSG_RESULT([$enable_debuginfo])
])

AC_DEFUN([ZFS_AC_CONFIG_ALWAYS], [
ZFS_AC_CONFIG_ALWAYS_NO_UNUSED_BUT_SET_VARIABLE
ZFS_AC_CONFIG_ALWAYS_NO_BOOL_COMPARE
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1 change: 1 addition & 0 deletions configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@ ZFS_AC_LICENSE
ZFS_AC_PACKAGE
ZFS_AC_CONFIG
ZFS_AC_DEBUG
ZFS_AC_DEBUGINFO

AC_CONFIG_FILES([
Makefile
Expand Down