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Make "-fno-inline" compile option more accessible 

When functions are inlined, it can make the system much more difficult
to instrument using tools such as ftrace, BPF, crash, etc. Thus, to aid
development and increase the system's observability, when the
"--enable-debuginfo" flag is specified, the "-fno-inline" compilation
option will be used for both userspace and kernel modules.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Prakash Surya <prakash.surya@delphix.com>
Closes #6605
This commit is contained in:
Prakash Surya 2017-09-15 11:47:11 -07:00 committed by Brian Behlendorf
parent d9ec8b9b2a
commit 6384cf4132
1 changed files with 2 additions and 1 deletions
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3
config/zfs-build.m4
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@ -45,10 +45,11 @@ AC_DEFUN([ZFS_AC_DEBUG], [
AC_DEFUN([ZFS_AC_DEBUGINFO_KERNEL], [
KERNELMAKE_PARAMS="$KERNELMAKE_PARAMS CONFIG_DEBUG_INFO=y"
KERNELCPPFLAGS="${KERNELCPPFLAGS} -fno-inline"
])
AC_DEFUN([ZFS_AC_DEBUGINFO_USER], [
DEBUG_CFLAGS="$DEBUG_CFLAGS -g"
DEBUG_CFLAGS="${DEBUG_CFLAGS} -g -fno-inline"
])
AC_DEFUN([ZFS_AC_DEBUGINFO], [