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Issue #594 - provide an OVERRIDE_GET_RANDOM_SEED cmake variable to override json_c_get_random_seed() for embedded platforms where time(NULL) doesn't work.

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Example:
mkdir build && cd build
cmake -DOVERRIDE_GET_RANDOM_SEED='do { extern uint32_t getMsTicks(void); int ms = getMsTicks() * 433494437; return ms; } while(0)' ..
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Eric Haszlakiewicz
2020-07-22 02:25:03 +00:00
parent 64de4b6e9f
commit 730e3d044f
4 changed files with 9 additions and 0 deletions
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@@ -107,6 +107,7 @@ DISABLE_THREAD_LOCAL_STORAGE | Bool | Disable use of Thread-Local Storage (HAV
DISABLE_WERROR | Bool | Disable use of -Werror.
ENABLE_RDRAND | Bool | Enable RDRAND Hardware RNG Hash Seed.
ENABLE_THREADING | Bool | Enable partial threading support.
OVERRIDE_GET_RANDOM_SEED | String | A block of code to use instead of the default implementation of json_c_get_random_seed(), e.g. on embedded platforms where not even the fallback to time() works. Must be a single line.
Pass these options as `-D` on CMake's command-line.