build: prereq: drop support for Python 3.5
The final Python 3.5 release was 3.5.10 in September 2020 [0]. This release series is now End-of-Life (EOL). The only LTS distribution that still only ships Python 3.5 is Ubuntu 16.04, which will be EOL in April 2021 [1]. The meson build system bumped their python requirement to 3.6 for the 0.57.0 release. This patch ensures that OpenWrt can update meson while still relying on the host python. [0] https://www.python.org/dev/peps/pep-0478/#id4 [1] https://ubuntu.com/about/release-cycle [2] https://mesonbuild.com/Release-notes-for-0-57-0.html#minimum-required-python-version-updated-to-36 Signed-off-by: Andre Heider <a.heider@gmail.com> [python3.6+ in README.md] Signed-off-by: Petr Štetiar <ynezz@true.cz>
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			| @@ -25,7 +25,7 @@ the [Build System Setup](https://openwrt.org/docs/guide-developer/build-system/i | ||||
| documentation. | ||||
|  | ||||
| ``` | ||||
| gcc-6+ binutils bzip2 flex python3 perl make4.1+ find grep diff unzip gawk getopt | ||||
| gcc-6+ binutils bzip2 flex python3.6+ perl make4.1+ find grep diff unzip gawk getopt | ||||
| subversion libz-dev libc-dev rsync which | ||||
| ``` | ||||
|  | ||||
|   | ||||
| @@ -141,21 +141,19 @@ $(eval $(call SetupHostCommand,perl,Please install Perl 5.x, \ | ||||
|  | ||||
| $(eval $(call CleanupPython2)) | ||||
|  | ||||
| $(eval $(call SetupHostCommand,python,Please install Python >= 3.5, \ | ||||
| $(eval $(call SetupHostCommand,python,Please install Python >= 3.6, \ | ||||
| 	python3.9 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3.8 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3.7 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3.6 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3.5 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3 -V 2>&1 | grep -E 'Python 3\.[5-9]\.?')) | ||||
| 	python3 -V 2>&1 | grep -E 'Python 3\.[6-9]\.?')) | ||||
|  | ||||
| $(eval $(call SetupHostCommand,python3,Please install Python >= 3.5, \ | ||||
| $(eval $(call SetupHostCommand,python3,Please install Python >= 3.6, \ | ||||
| 	python3.9 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3.8 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3.7 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3.6 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3.5 -V 2>&1 | grep 'Python 3', \ | ||||
| 	python3 -V 2>&1 | grep -E 'Python 3\.[5-9]\.?')) | ||||
| 	python3 -V 2>&1 | grep -E 'Python 3\.[6-9]\.?')) | ||||
|  | ||||
| $(eval $(call SetupHostCommand,git,Please install Git (git-core) >= 1.7.12.2, \ | ||||
| 	git --exec-path | xargs -I % -- grep -q -- --recursive %/git-submodule)) | ||||
|   | ||||
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