Allow to build CPython with --with-dsymutil

Since 3.12, CPython can provide debug symbols in
Apple's nonstandard way, "dSYM bundles"

plugins/python-build/bin/python-build

@@ -779,6 +779,7 @@ build_package_standard_build() {
     else
       use_homebrew_zlib || true
     fi
+    use_dsymutil || true
   fi
 
   ( if [ "${CFLAGS+defined}" ] || [ "${!PACKAGE_CFLAGS+defined}" ]; then
@@ -1626,6 +1627,16 @@ use_tcltk() {
   fi
 }
 
+# Since 3.12, CPython can add DWARF debug information in MacOS
+# using Apple's nonstandard way, `dsymutil', that creates a "dSYM bundle"
+# that's supposed to be installed alongside executables
+# (https://github.com/python/cpython/issues/95973).
+use_dsymutil() {
+  if [[ -n "$PYTHON_BUILD_CONFIGURE_WITH_DSYMUTIL" ]] && is_mac; then
+    package_option python configure --with-dsymutil
+  fi
+}
+
 build_package_enable_shared() {
     package_option python configure --enable-shared
 }

plugins/python-build/test/build.bats

@@ -515,14 +515,41 @@ make install DOGE="such wow"
 OUT
 }
 
-@test "setting MAKE_INSTALL_OPTS to a multi-word string" {
+@test "configuring with dSYM in MacOS" {
   cached_tarball "Python-3.6.2"
 
-  for i in {1..8}; do stub uname '-s : echo Linux'; done
+  for i in {1..9}; do stub uname '-s : echo Darwin'; done
+  for i in {1..2}; do stub sw_vers '-productVersion : echo 1010'; done
+  for i in {1..4}; do stub brew false; done
   stub_make_install
 
-  export MAKE_INSTALL_OPTS="DOGE=\"such wow\""
   run_inline_definition <<DEF
+export PYTHON_BUILD_CONFIGURE_WITH_DSYMUTIL=1
+install_package "Python-3.6.2" "http://python.org/ftp/python/3.6.2/Python-3.6.2.tar.gz"
+DEF
+  assert_success
+
+  unstub sw_vers
+  unstub uname
+  unstub brew
+  unstub make
+
+  assert_build_log <<OUT
+Python-3.6.2: CPPFLAGS="-I${TMP}/install/include " LDFLAGS="-L${TMP}/install/lib "
+Python-3.6.2: --prefix=$INSTALL_ROOT --libdir=${TMP}/install/lib --with-dsymutil
+make -j 2
+make install
+OUT
+}
+
+@test "configuring with dSYM has no effect in non-MacOS" {
+  cached_tarball "Python-3.6.2"
+
+  for i in {1..9}; do stub uname '-s : echo Linux'; done
+  stub_make_install
+
+  run_inline_definition <<DEF
+export PYTHON_BUILD_CONFIGURE_WITH_DSYMUTIL=1
 install_package "Python-3.6.2" "http://python.org/ftp/python/3.6.2/Python-3.6.2.tar.gz"
 DEF
   assert_success
@@ -532,9 +559,41 @@ DEF
 
   assert_build_log <<OUT
 Python-3.6.2: CPPFLAGS="-I${TMP}/install/include " LDFLAGS="-L${TMP}/install/lib "
-Python-3.6.2: --prefix=$INSTALL_ROOT --libdir=$INSTALL_ROOT/lib
+Python-3.6.2: --prefix=$INSTALL_ROOT --libdir=${TMP}/install/lib
 make -j 2
-make install DOGE="such wow"
+make install
+OUT
+}
+
+@test "tcl-tk is not linked from Homebrew when explicitly defined" {
+  cached_tarball "Python-3.6.2"
+
+  # python build
+  tcl_tk_version_long="8.6.10"
+  tcl_tk_version="${tcl_tk_version_long%.*}"
+
+  for i in {1..8}; do stub uname '-s : echo Darwin'; done
+  for i in {1..2}; do stub sw_vers '-productVersion : echo 1010'; done
+
+  for i in {1..4}; do stub brew false; done
+  stub_make_install
+
+  export PYTHON_CONFIGURE_OPTS="--with-tcltk-libs='-L${TMP}/custom-tcl-tk/lib -ltcl$tcl_tk_version -ltk$tcl_tk_version'"
+  run_inline_definition <<DEF
+install_package "Python-3.6.2" "http://python.org/ftp/python/3.6.2/Python-3.6.2.tar.gz"
+DEF
+  assert_success
+
+  unstub uname
+  unstub sw_vers
+  unstub brew
+  unstub make
+
+  assert_build_log <<OUT
+Python-3.6.2: CPPFLAGS="-I${TMP}/install/include " LDFLAGS="-L${TMP}/install/lib "
+Python-3.6.2: --prefix=$INSTALL_ROOT --libdir=$INSTALL_ROOT/lib --with-tcltk-libs=-L${TMP}/custom-tcl-tk/lib -ltcl8.6 -ltk8.6
+make -j 2
+make install
 OUT
 }