cmake: Have gperf be opt-out instead of mandatory
gperf is only used when CONFIG_USERSPACE is enabled. Users that use arch's that don't support CONFIG_USERSPACE, or happen to not never enable CONFIG_USERSPACE should not be artificially required to install gperf. This change makes gperf optional by moving it's presence-check to it's usage. Signed-off-by: Sebastian Bøe <sebastian.boe@nordicsemi.no>
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2 changed files with 5 additions and 3 deletions
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@ -812,6 +812,10 @@ if(CONFIG_ARM AND CONFIG_USERSPACE)
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)
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add_custom_target(priv_stacks DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/${PRIV_STACKS})
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if(${GPERF} STREQUAL GPERF-NOTFOUND)
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message(FATAL_ERROR "Unable to find gperf")
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endif()
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# Use gperf to generate C code (PRIV_STACKS_OUTPUT_SRC_PRE) which implements a
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# perfect hashtable based on PRIV_STACKS
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add_custom_command(
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@ -75,13 +75,11 @@ if(${CMAKE_MATCH_1} VERSION_LESS ${MIN_DTC_VERSION})
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endif()
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endif(DTC)
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# gperf is an optional dependency
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find_program(
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GPERF
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gperf
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)
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if(${GPERF} STREQUAL GPERF-NOTFOUND)
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message(FATAL_ERROR "Unable to find gperf")
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endif()
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# openocd is an optional dependency
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find_program(
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