diff options
Diffstat (limited to 'gnu/packages/python.scm')
| -rw-r--r-- | gnu/packages/python.scm | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gnu/packages/python.scm b/gnu/packages/python.scm index 9e29733091..ca15147c56 100644 --- a/gnu/packages/python.scm +++ b/gnu/packages/python.scm @@ -184,7 +184,10 @@ "--with-system-expat" ;for XML support "--with-system-ffi" ;build ctypes "--with-ensurepip=install" ;install pip and setuptools + "--with-computed-gotos" ;main interpreter loop optimization + "--with-lto" ;increase size by 20MB, but 15% speedup "--enable-unicode=ucs4" + "--enable-optimizations" ;; Prevent the installed _sysconfigdata.py from retaining a reference ;; to coreutils. @@ -198,8 +201,13 @@ "ac_cv_file__dev_ptmx=no" "ac_cv_file__dev_ptc=no") '()) + ;; -fno-semantic-interposition reinstates some optimizations by gcc + ;; leading to around 15% speedup. This is the default starting from + ;; python 3.10. + "CFLAGS=-fno-semantic-interposition" (string-append "LDFLAGS=-Wl,-rpath=" - (assoc-ref %outputs "out") "/lib")) + (assoc-ref %outputs "out") "/lib" + " -fno-semantic-interposition")) ;; With no -j argument tests use all available cpus, so provide one. #:make-flags (list (string-append |