[packages/python3] build with -fno-semantic-interposition

[atler]

commit 3696f31bc6104c7706a41ee975d81795863f108a
Author: Jan Palus <atler at pld-linux.org>
Date:   Tue Jun 29 15:42:04 2021 +0000

    build with -fno-semantic-interposition
    
    proposed by fedora where it's used by default and brings significant
    performance boost for dynamically linked python. to become upstream
    default in python 3.10.
    
    see https://bugs.python.org/issue38980

 python3.spec | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/python3.spec b/python3.spec
index 6bc2716..54f2012 100644
--- a/python3.spec
+++ b/python3.spec
@@ -7,6 +7,7 @@
 %bcond_without	tests			# disables Python testing
 %bcond_with	verbose_tests		# runs tests in verbose mode
 %bcond_without	optimizations		# expensive, stable optimizations (PGO etc.) + LTO
+%bcond_with	semantic_interposition	# build without \-fno-semantic-interposition
 #
 # tests which will not work on 64-bit platforms
 %define		no64bit_tests	-x test_audioop -x test_rgbimg -x test_imageop
@@ -548,8 +549,10 @@ fi
 %configure \
 	CC="%{__cc}" \
 	OPT="%{rpmcflags}" \
+	CFLAGS_NODIST="%{!?with_semantic_interposition: -fno-semantic-interposition}" \
 	CPPFLAGS="%{rpmcppflags}" \
 	LDFLAGS="%{rpmldflags}" \
+	LDFLAGS_NODIST="%{!?with_semantic_interposition: -fno-semantic-interposition}" \
 	ac_cv_posix_semaphores_enabled=yes \
 	ac_cv_broken_sem_getvalue=no \
 	--enable-ipv6 \
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/python3.git/commitdiff/3696f31bc6104c7706a41ee975d81795863f108a