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From: Adhemerval Zanella <adhemerval.zanella@linaro.org>
To: "H.J. Lu" <hjl.tools@gmail.com>
Cc: GNU C Library <libc-alpha@sourceware.org>,
	Florian Weimer <fweimer@redhat.com>
Subject: Re: [PATCH] elf: Use a temporary file to generate Makefile fragments [BZ #28550]
Date: Tue, 16 Nov 2021 09:52:05 -0300	[thread overview]
Message-ID: <6a1c82dd-41fb-7154-f133-7799d7d64305@linaro.org> (raw)
In-Reply-To: <CAMe9rOqxipG1d-7W8SmYVY_Av+Ny9oDu+zi08KvRKcqtqx1Bag@mail.gmail.com>



On 16/11/2021 01:48, H.J. Lu wrote:
> 
> This works for me.
> 
> Thanks.
> 

> From a928b52c036bb888797b3e81014f441f0d876b65 Mon Sep 17 00:00:00 2001
> From: "H.J. Lu" <hjl.tools@gmail.com>
> Date: Mon, 15 Nov 2021 16:28:39 -0800
> Subject: [PATCH] elf: Use a temporary file to generate Makefile fragments [BZ
>  #28550]
> 
> Use a temporary file to generate Makefile fragments for DSO sorting tests
> and use -include on them.
> 
> This partially fixes BZ #28550.
> ---
>  elf/Makefile | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/elf/Makefile b/elf/Makefile
> index a311c3e23c..57374fc690 100644
> --- a/elf/Makefile
> +++ b/elf/Makefile
> @@ -498,8 +498,9 @@ endif
>  define include_dsosort_tests
>  $(objpfx)$(1).generated-makefile: $(1)
>  	$(PYTHON) $(..)scripts/dso-ordering-test.py \
> -	--description-file $$< --objpfx $(objpfx) --output-makefile $$@
> -include $(objpfx)$(1).generated-makefile
> +	--description-file $$< --objpfx $(objpfx) --output-makefile $$@T
> +	mv $$@T $$@
> +-include $(objpfx)$(1).generated-makefile
>  endef
>  
>  # Generate from each testcase description file
> -- 
> 2.33.1

I think you need the below on top of your patch.  The 'avoid-generated' and
'postclean-generated' are required so a 'make clean' removes the autogenerated
fragments so a subsequent 'make' regenerates them.

diff --git a/elf/Makefile b/elf/Makefile
index 57374fc690..31759279d4 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -491,6 +491,7 @@ tests-special += $(objpfx)order-cmp.out $(objpfx)tst-array1-cmp.out \
                 $(objpfx)tst-unused-dep-cmp.out
 endif
 
+ifndef avoid-generated
 # DSO sorting tests:
 # The dso-ordering-test.py script generates testcase source files in $(objpfx),
 # creating a $(objpfx)<testcase-name>-dir for each testcase, and creates a
@@ -508,6 +509,9 @@ ifeq (yes,$(have-tunables))
 $(eval $(call include_dsosort_tests,dso-sort-tests-1.def))
 $(eval $(call include_dsosort_tests,dso-sort-tests-2.def))
 endif
+endif
+postclean-generated += $(objpfx)/dso-sort-tests-2.generated-makefile \
+                      $(objpfx)/dso-sort-tests-2.generated-makefile
 
 check-abi: $(objpfx)check-abi-ld.out
 tests-special += $(objpfx)check-abi-ld.out

  reply	other threads:[~2021-11-16 12:52 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-08 15:42 [PATCH v2 0/2] Update Makefile fragments for DSO sorting tests H.J. Lu
2021-11-08 15:42 ` [PATCH v2 1/2] dso-ordering-test.py: Put all sources in one directory [BZ #28550] H.J. Lu
2021-11-11 17:52   ` Chung-Lin Tang
2021-11-11 18:21     ` H.J. Lu
2021-11-15 18:50   ` Adhemerval Zanella
2021-11-08 15:42 ` [PATCH v2 2/2] elf: Pre-generate Makefile fragment for DSO sorting tests " H.J. Lu
2021-11-15 18:59   ` Adhemerval Zanella
2021-11-15 19:51     ` H.J. Lu
2021-11-15 20:18       ` Adhemerval Zanella
2021-11-16  4:48         ` [PATCH] elf: Use a temporary file to generate Makefile fragments " H.J. Lu
2021-11-16 12:52           ` Adhemerval Zanella [this message]
2021-11-16 13:15             ` H.J. Lu
2021-11-11 13:46 ` [PATCH v2 0/2] Update Makefile fragments for DSO sorting tests H.J. Lu
2021-11-11 14:05   ` Adhemerval Zanella
2021-11-15 14:43     ` H.J. Lu

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