When and under what conditions are the cache variable read?
In the top level CMakeLists.txt of my project I have the following
lines;
IF(NOT ARCH)
MESSAGE(STATUS "Setting ARCH to x86")
SET(ARCH "x86" CACHE STRING
"Choose the architecture, options are:
${SUPPORTED_ARCHS}"
FORCE)
ENDIF(NOT ARCH)
When I first run cmake I call it passing -DARCH=avr and everything work
fine. But if I modify the CMakeLists.txt and then run make cmake it
rerun but variables are not taken from CACHE. Now ARCH is blank and get
set to default "x86".
How can I control this?
Warm regards,
Kishore
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