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build #371 :
Changes
- QEMU install: reworked toolchain options
- on all x86_64 Linux systems, user can choose between 32-bit and 64-bit toolchain
- on all Intel systems, user can choose to override the existing ARM toolchain (and install a precompiled version that's known to work)
- on x86 Linux systems, the script should install a 32-bit toolchain without asking
- on all systems, user may keep the existing ARM compiler (arm-none-eabi-gdb) and compile gdb 8.1 from source
- on non-Intel systems, the script should just check for a valid toolchain, and ask the user to install it manually (not tested) (detail - QEMU install: dropped support for arm-none-eabi-gdb installed from Ubuntu package manager
Too much of a moving target, e.g. working on Xenial and Bionic (with different packages!) but broken on Cosmic.
Keeping arm-none-eabi-gcc from package manager as an option.
For gdb, we'll use either a precompiled toolchain (64-bit 7-2018-q2, or any 32-bit version), or compile gdb 8.1 from source. (detail - QEMU install: minor cleanups
(detail
- QEMU install: on WSL, do not execute anything when user selects invalid options
(32-bit binaries are not going to work anyway) (detail - QEMU install: on Ubuntu/WSL, install the precompiled toolchain even if another (valid) gcc version is present
(option #2 in the Ubuntu/WSL menu) (detail - QEMU install: GDB 8.2.x does not work :(
- back to GDB 8.1
- GDB 8.2.x is no longer accepted
- using precompiled toolchain 7-2018-q2-update for both Mac and WSL (with GDB 8.1.x) (detail - QEMU install: use gdb 8.2.1 when compiling from source
(8.1 still accepted as valid) (detail - QEMU install: gdb-multiarch 8.1 or newer may be available on recent WSL
(use the same heuristics as with plain Ubuntu) (detail
- QEMU install: reworked toolchain options