Backport a patch to fix
| ../git/util.cxx:1766:56: error: 'std::pointer_to_unary_function<_Arg, 
_Result> std::ptr_fun(_Result (*)(_Arg)) [with _Arg = int; _Result = int]' is 
deprecated: use 'std::function' instea
d [-Werror=deprecated-declarations]
|  1766 |                        std::not1(std::ptr_fun<int, 
int>(std::isspace))));
|       |                                  ~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~

Signed-off-by: Khem Raj <[email protected]>
---
 ...ility-re-tweak-for-rhel6-use-functio.patch | 49 +++++++++++++++++++
 .../recipes-kernel/systemtap/systemtap_git.bb |  3 +-
 2 files changed, 51 insertions(+), 1 deletion(-)
 create mode 100644 
meta/recipes-kernel/systemtap/systemtap/0001-gcc12-c-compatibility-re-tweak-for-rhel6-use-functio.patch

diff --git 
a/meta/recipes-kernel/systemtap/systemtap/0001-gcc12-c-compatibility-re-tweak-for-rhel6-use-functio.patch
 
b/meta/recipes-kernel/systemtap/systemtap/0001-gcc12-c-compatibility-re-tweak-for-rhel6-use-functio.patch
new file mode 100644
index 00000000000..f885c444609
--- /dev/null
+++ 
b/meta/recipes-kernel/systemtap/systemtap/0001-gcc12-c-compatibility-re-tweak-for-rhel6-use-functio.patch
@@ -0,0 +1,49 @@
+From f199d1982ef8a6c6d5c06c082d057b8793bcc6aa Mon Sep 17 00:00:00 2001
+From: Serhei Makarov <[email protected]>
+Date: Fri, 21 Jan 2022 18:21:46 -0500
+Subject: [PATCH] gcc12 c++ compatibility re-tweak for rhel6: use function
+ pointer instead of lambdas instead of ptr_fun<>
+
+Saving 2 lines in ltrim/rtrim is probably not a good reason to drop
+compatibility with the RHEL6 system compiler.  Actually declaring a
+named function and passing the function pointer is compatible with
+everything.
+
+Upstream-Status: Backport 
[https://sourceware.org/git/?p=systemtap.git;a=commit;h=f199d1982ef8a6c6d5c06c082d057b8793bcc6aa]
+Signed-off-by: Khem Raj <[email protected]>
+---
+ util.cxx | 13 ++++++++-----
+ 1 file changed, 8 insertions(+), 5 deletions(-)
+
+--- a/util.cxx
++++ b/util.cxx
+@@ -1757,21 +1757,24 @@ flush_to_stream (const string &fname, os
+   return 1; // Failure
+ }
+ 
++int
++not_isspace(unsigned char c)
++{
++  return !std::isspace(c);
++}
++
+ // trim from start (in place)
+ void
+ ltrim(std::string &s)
+ {
+-  s.erase(s.begin(),
+-        std::find_if(s.begin(), s.end(),
+-                     std::not1(std::ptr_fun<int, int>(std::isspace))));
++  s.erase(s.begin(), std::find_if(s.begin(), s.end(), not_isspace));
+ }
+ 
+ // trim from end (in place)
+ void
+ rtrim(std::string &s)
+ {
+-  s.erase(std::find_if(s.rbegin(), s.rend(),
+-        std::not1(std::ptr_fun<int, int>(std::isspace))).base(), s.end());
++  s.erase(std::find_if(s.rbegin(), s.rend(), not_isspace).base(), s.end());
+ }
+ 
+ // trim from both ends (in place)
diff --git a/meta/recipes-kernel/systemtap/systemtap_git.bb 
b/meta/recipes-kernel/systemtap/systemtap_git.bb
index 04f7e03ab50..ce86d5274dd 100644
--- a/meta/recipes-kernel/systemtap/systemtap_git.bb
+++ b/meta/recipes-kernel/systemtap/systemtap_git.bb
@@ -7,7 +7,8 @@ HOMEPAGE = "https://sourceware.org/systemtap/";
 require systemtap_git.inc
 
 SRC_URI += "file://0001-improve-reproducibility-for-c-compiling.patch \
-           file://0001-staprun-address-ncurses-6.3-failures.patch \
+            file://0001-staprun-address-ncurses-6.3-failures.patch \
+            
file://0001-gcc12-c-compatibility-re-tweak-for-rhel6-use-functio.patch \
            "
 
 DEPENDS = "elfutils"
-- 
2.35.1

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