From 511ee899ee687216fa8fcf2231a60941b9e4cf81 Mon Sep 17 00:00:00 2001
From: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Date: Fri, 3 Nov 2023 14:34:54 +0100
Subject: [PATCH] m4/nut_check_python.m4: allow overriding of
 PYTHON{2,3}_SITE_PACKAGES

Allow the end-user to override PYTHON{2,3}_SITE_PACKAGES as this can be
useful when cross-compiling

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Upstream: https://github.com/networkupstools/nut/pull/2147
---
 m4/nut_check_python.m4 | 60 +++++++++++++++++++++---------------------
 1 file changed, 30 insertions(+), 30 deletions(-)

diff --git a/m4/nut_check_python.m4 b/m4/nut_check_python.m4
index 995a3e7c..7f29558e 100644
--- a/m4/nut_check_python.m4
+++ b/m4/nut_check_python.m4
@@ -116,17 +116,17 @@ AC_DEFUN([NUT_CHECK_PYTHON],
         AM_CONDITIONAL([HAVE_PYTHON], [test -n "${PYTHON}" && test "${PYTHON}" != "no"])
         AS_IF([test -n "${PYTHON}" && test "${PYTHON}" != "no"], [
             export PYTHON
-            AC_MSG_CHECKING([python site-packages location])
-            PYTHON_SITE_PACKAGES="`${PYTHON} -c 'import site; print(site.getsitepackages().pop(0))'`"
-            AS_CASE(["$PYTHON_SITE_PACKAGES"],
-                [*:*], [
-                    dnl Note: on Windows MSYS2 this embeds "C:/msys64/mingw..." into the string [nut#1584]
-                    PYTHON_SITE_PACKAGES="`cd "$PYTHON_SITE_PACKAGES" && pwd`"
-                    ]
-                )
-            AC_MSG_RESULT([${PYTHON_SITE_PACKAGES}])
+            AC_CACHE_CHECK([python site-packages location], [nut_cv_PYTHON_SITE_PACKAGES], [
+                nut_cv_PYTHON_SITE_PACKAGES="`${PYTHON} -c 'import site; print(site.getsitepackages().pop(0))'`"
+                AS_CASE(["$nut_cv_PYTHON_SITE_PACKAGES"],
+                    [*:*], [
+                        dnl Note: on Windows MSYS2 this embeds "C:/msys64/mingw..." into the string [nut#1584]
+                        nut_cv_PYTHON_SITE_PACKAGES="`cd "$nut_cv_PYTHON_SITE_PACKAGES" && pwd`"
+                        ]
+                   )
+               ])
             ])
-        AC_SUBST([PYTHON_SITE_PACKAGES], [${PYTHON_SITE_PACKAGES}])
+        AC_SUBST([PYTHON_SITE_PACKAGES], [${nut_cv_PYTHON_SITE_PACKAGES}])
         AM_CONDITIONAL([HAVE_PYTHON_SITE_PACKAGES], [test x"${PYTHON_SITE_PACKAGES}" != "x"])
     ])
 ])
@@ -228,17 +228,17 @@ AC_DEFUN([NUT_CHECK_PYTHON2],
         AM_CONDITIONAL([HAVE_PYTHON2], [test -n "${PYTHON2}" && test "${PYTHON2}" != "no"])
         AS_IF([test -n "${PYTHON2}" && test "${PYTHON2}" != "no"], [
             export PYTHON2
-            AC_MSG_CHECKING([python2 site-packages location])
-            PYTHON2_SITE_PACKAGES="`${PYTHON2} -c 'import site; print(site.getsitepackages().pop(0))'`"
-            AS_CASE(["$PYTHON2_SITE_PACKAGES"],
-                [*:*], [
-                    dnl Note: on Windows MSYS2 this embeds "C:/msys64/mingw..." into the string [nut#1584]
-                    PYTHON2_SITE_PACKAGES="`cd "$PYTHON2_SITE_PACKAGES" && pwd`"
-                    ]
-                )
-            AC_MSG_RESULT([${PYTHON2_SITE_PACKAGES}])
+            AC_CACHE_CHECK([python2 site-packages location], [nut_cv_PYTHON2_SITE_PACKAGES], [
+                nut_cv_PYTHON2_SITE_PACKAGES="`${PYTHON2} -c 'import site; print(site.getsitepackages().pop(0))'`"
+                AS_CASE(["$nut_cv_PYTHON2_SITE_PACKAGES"],
+                    [*:*], [
+                        dnl Note: on Windows MSYS2 this embeds "C:/msys64/mingw..." into the string [nut#1584]
+                        nut_cv_PYTHON2_SITE_PACKAGES="`cd "$nut_cv_PYTHON2_SITE_PACKAGES" && pwd`"
+                        ]
+                    )
+                ])
             ])
-        AC_SUBST([PYTHON2_SITE_PACKAGES], [${PYTHON2_SITE_PACKAGES}])
+        AC_SUBST([PYTHON2_SITE_PACKAGES], [${nut_cv_PYTHON2_SITE_PACKAGES}])
         AM_CONDITIONAL([HAVE_PYTHON2_SITE_PACKAGES], [test x"${PYTHON2_SITE_PACKAGES}" != "x"])
     ])
 ])
@@ -340,17 +340,17 @@ AC_DEFUN([NUT_CHECK_PYTHON3],
         AM_CONDITIONAL([HAVE_PYTHON3], [test -n "${PYTHON3}" && test "${PYTHON3}" != "no"])
         AS_IF([test -n "${PYTHON3}" && test "${PYTHON3}" != "no"], [
             export PYTHON3
-            AC_MSG_CHECKING([python3 site-packages location])
-            PYTHON3_SITE_PACKAGES="`${PYTHON3} -c 'import site; print(site.getsitepackages().pop(0))'`"
-            AS_CASE(["$PYTHON3_SITE_PACKAGES"],
-                [*:*], [
-                    dnl Note: on Windows MSYS2 this embeds "C:/msys64/mingw..." into the string [nut#1584]
-                    PYTHON3_SITE_PACKAGES="`cd "$PYTHON3_SITE_PACKAGES" && pwd`"
-                    ]
-                )
-            AC_MSG_RESULT([${PYTHON3_SITE_PACKAGES}])
+            AC_CACHE_CHECK([python3 site-packages location], [nut_cv_PYTHON3_SITE_PACKAGES], [
+                nut_cv_PYTHON3_SITE_PACKAGES="`${PYTHON3} -c 'import site; print(site.getsitepackages().pop(0))'`"
+                AS_CASE(["$nut_cv_PYTHON3_SITE_PACKAGES"],
+                    [*:*], [
+                        dnl Note: on Windows MSYS2 this embeds "C:/msys64/mingw..." into the string [nut#1584]
+                        nut_cv_PYTHON3_SITE_PACKAGES="`cd "$nut_cv_PYTHON3_SITE_PACKAGES" && pwd`"
+                        ]
+                    )
+                ])
             ])
-        AC_SUBST([PYTHON3_SITE_PACKAGES], [${PYTHON3_SITE_PACKAGES}])
+        AC_SUBST([PYTHON3_SITE_PACKAGES], [${nut_cv_PYTHON3_SITE_PACKAGES}])
         AM_CONDITIONAL([HAVE_PYTHON3_SITE_PACKAGES], [test x"${PYTHON3_SITE_PACKAGES}" != "x"])
     ])
 ])
-- 
2.42.0