do not omit frame pointer on Linux

.ci_support/linux_64_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_64_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_64_build_typereleasechannel_targetsconda-forge_mainfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_64_build_typereleasechannel_targetsconda-forge_mainfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_aarch64_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_aarch64_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_aarch64_build_typereleasechannel_targetsconda-forge_mainfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_aarch64_build_typereleasechannel_targetsconda-forge_mainfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_ppc64le_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_ppc64le_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_ppc64le_build_typereleasechannel_targetsconda-forge_mainfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/linux_ppc64le_build_typereleasechannel_targetsconda-forge_mainfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 libuuid:
 - '2'
 ncurses:

.ci_support/osx_64_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 macos_machine:
 - x86_64-apple-darwin13.4.0
 ncurses:

.ci_support/osx_64_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 macos_machine:
 - x86_64-apple-darwin13.4.0
 ncurses:

.ci_support/osx_64_build_typereleasechannel_targetsconda-forge_mainfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 macos_machine:
 - x86_64-apple-darwin13.4.0
 ncurses:

.ci_support/osx_64_build_typereleasechannel_targetsconda-forge_mainfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 macos_machine:
 - x86_64-apple-darwin13.4.0
 ncurses:

.ci_support/osx_arm64_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 macos_machine:
 - arm64-apple-darwin20.0.0
 ncurses:

.ci_support/osx_arm64_build_typedebugchannel_targetsconda-forge_python_debugfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 macos_machine:
 - arm64-apple-darwin20.0.0
 ncurses:

.ci_support/osx_arm64_build_typereleasechannel_targetsconda-forge_mainfreethreadingno.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 macos_machine:
 - arm64-apple-darwin20.0.0
 ncurses:

.ci_support/osx_arm64_build_typereleasechannel_targetsconda-forge_mainfreethreadingyes.yaml

@@ -28,6 +28,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 macos_machine:
 - arm64-apple-darwin20.0.0
 ncurses:

.ci_support/win_64_freethreadingno.yaml

@@ -18,6 +18,8 @@ freethreading:
 - 'no'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 openssl:
 - '3'
 pin_run_as_build:

.ci_support/win_64_freethreadingyes.yaml

@@ -18,6 +18,8 @@ freethreading:
 - 'yes'
 libffi:
 - '3.4'
+liblzma_devel:
+- '5'
 openssl:
 - '3'
 pin_run_as_build:

recipe/build_base.sh

@@ -96,6 +96,15 @@ if [[ ${HOST} =~ .*darwin.* ]] && [[ -n ${CONDA_BUILD_SYSROOT} ]]; then
   CPPFLAGS="-isysroot ${CONDA_BUILD_SYSROOT} "${CPPFLAGS}
 fi
 
+if [[ "$target_platform" == linux-* ]]; then
+  # For https://docs.python.org/3/howto/perf_profiling.html#how-to-obtain-the-best-results
+  CFLAGS+=" -fno-omit-frame-pointer"
+  if [[ "$target_platform" != linux-ppc64le ]]; then
+    # -mno-omit-leaf-frame-pointer is not supported on ppc64le
+    CFLAGS+=" -mno-omit-leaf-frame-pointer"
+  fi
+fi
+
 # Debian uses -O3 then resets it at the end to -O2 in _sysconfigdata.py
 if [[ ${_OPTIMIZED} = yes ]]; then
   CPPFLAGS=$(echo "${CPPFLAGS}" | sed "s/-O2/-O3/g")

recipe/meta.yaml

@@ -4,7 +4,7 @@
 {% set ver2 = '.'.join(version.split('.')[0:2]) %}
 {% set ver2nd = ''.join(version.split('.')[0:2]) %}
 {% set ver3nd = ''.join(version.split('.')[0:3]) %}
-{% set build_number = 2 %}
+{% set build_number = 3 %}
 
 # this makes the linter happy
 {% set channel_targets = channel_targets or 'conda-forge main' %}
@@ -264,6 +264,8 @@ outputs:
         - python -c "from ctypes import CFUNCTYPE; CFUNCTYPE(None)(id)"
         # Test for wide character supported via ncursesw
         - TERM=xterm >/dev/null python -c "import curses; scr = curses.initscr(); curses.unget_wch('x'); assert 'x' ==  scr.get_wch()"  # [unix]
+        # Test for https://docs.python.org/3/howto/perf_profiling.html#how-to-obtain-the-best-results
+        - python -m sysconfig | grep 'no-omit-frame-pointer'  # [linux]
 
   - name: libpython-static
     script: build_static.sh  # [unix]