Hi!
On 2023-06-02T11:52:04+0200, I wrote:
> On 2020-01-14T21:31:13+0800, Chung-Lin Tang <chunglin_t...@mentor.com> wrote:
>> I understand your situation with --with-build-sysroot/--without-sysroot,
>> [...]
>>
>> Can you test if the attached patch works for you? The patch exports the
>> build sysroot
>> setting from the toplevel to target library subdirs, and adds the --sysroot=
>> option
>> when doing build-tree testing [...]
>
> Belatedly: thanks, I like that approach better indeed.
>
> This is, by the way, in line with what GCC compiler testing is doing;
> 'gcc/Makefile.in':
>
> # Set if the compiler was configured with --with-build-sysroot.
> SYSROOT_CFLAGS_FOR_TARGET = @SYSROOT_CFLAGS_FOR_TARGET@
>
> # TEST_ALWAYS_FLAGS are flags that should be passed to every compilation.
> # They are passed first to allow individual tests to override them.
> @echo "set TEST_ALWAYS_FLAGS \"$(SYSROOT_CFLAGS_FOR_TARGET)\"" >>
> ./site.tmp
>
> That is, via 'site.exp', put 'SYSROOT_CFLAGS_FOR_TARGET' into
> 'TEST_ALWAYS_FLAGS', which is "passed to every compilation".
>
>> [...], if this does work, then other library testsuites (e.g. libatomic.exp)
>> might
>> also need considering updating, I think.
>
> Correct. (I'm offering to take care of that.)
First, regarding the top-level build system part:
>> 2020-01-14 Chung-Lin Tang <clt...@codesourcery.com>
>>
>> * Makefile.tpl (NORMAL_TARGET_EXPORTS): Add export of
>> SYSROOT_CFLAGS_FOR_TARGET variable.
>> * Makefile.in: Regenerate.
>> --- Makefile.tpl (revision 279954)
>> +++ Makefile.tpl (working copy)
>> @@ -322,6 +322,7 @@ RAW_CXX_TARGET_EXPORTS = \
>>
>> NORMAL_TARGET_EXPORTS = \
>> $(BASE_TARGET_EXPORTS) \
>> + SYSROOT_CFLAGS_FOR_TARGET="$(SYSROOT_CFLAGS_FOR_TARGET)"; export
>> SYSROOT_CFLAGS_FOR_TARGET; \
>> CXX="$(CXX_FOR_TARGET) $(XGCC_FLAGS_FOR_TARGET) $$TFLAGS"; export CXX;
>
> With that one moved into the generic 'BASE_TARGET_EXPORTS', [...]
Pushed to master branch commit d1bff1ba4d470f6723be83c0e3c4d5083e51877a
"Pass 'SYSROOT_CFLAGS_FOR_TARGET' down to target libraries [PR109951]",
see attached.
Grüße
Thomas
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>From d1bff1ba4d470f6723be83c0e3c4d5083e51877a Mon Sep 17 00:00:00 2001
From: Thomas Schwinge <tho...@codesourcery.com>
Date: Thu, 1 Jun 2023 23:07:37 +0200
Subject: [PATCH] Pass 'SYSROOT_CFLAGS_FOR_TARGET' down to target libraries
[PR109951]
..., where we need to use it (separate commits) for build-tree testing, similar
to 'gcc/Makefile.in:site.exp':
# TEST_ALWAYS_FLAGS are flags that should be passed to every compilation.
# They are passed first to allow individual tests to override them.
@echo "set TEST_ALWAYS_FLAGS \"$(SYSROOT_CFLAGS_FOR_TARGET)\"" >> ./site.tmp
PR testsuite/109951
* Makefile.tpl (BASE_TARGET_EXPORTS): Add
'SYSROOT_CFLAGS_FOR_TARGET'.
* Makefile.in: Regenerate.
Co-authored-by: Chung-Lin Tang <clt...@codesourcery.com>
---
Makefile.in | 1 +
Makefile.tpl | 1 +
2 files changed, 2 insertions(+)
diff --git a/Makefile.in b/Makefile.in
index c97130a2338..2f136839c35 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -321,6 +321,7 @@ BASE_TARGET_EXPORTS = \
RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
READELF="$(READELF_FOR_TARGET)"; export READELF; \
STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
+ SYSROOT_CFLAGS_FOR_TARGET="$(SYSROOT_CFLAGS_FOR_TARGET)"; export SYSROOT_CFLAGS_FOR_TARGET; \
WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
WINDMC="$(WINDMC_FOR_TARGET)"; export WINDMC; \
@if gcc-bootstrap
diff --git a/Makefile.tpl b/Makefile.tpl
index 36fa20950d4..5872dd03f2c 100644
--- a/Makefile.tpl
+++ b/Makefile.tpl
@@ -324,6 +324,7 @@ BASE_TARGET_EXPORTS = \
RANLIB="$(RANLIB_FOR_TARGET)"; export RANLIB; \
READELF="$(READELF_FOR_TARGET)"; export READELF; \
STRIP="$(STRIP_FOR_TARGET)"; export STRIP; \
+ SYSROOT_CFLAGS_FOR_TARGET="$(SYSROOT_CFLAGS_FOR_TARGET)"; export SYSROOT_CFLAGS_FOR_TARGET; \
WINDRES="$(WINDRES_FOR_TARGET)"; export WINDRES; \
WINDMC="$(WINDMC_FOR_TARGET)"; export WINDMC; \
@if gcc-bootstrap
--
2.34.1
