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IAR: Parse INFO strings from the binary format of AVR systems

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Teach `CMakeDetermineCompilerId` to recognize and parse the IAR-AVR
binary format so we can recognize this compiler id.

Issue: #18557
This commit is contained in:
Ethan Slattery
2018-11-07 19:24:17 -05:00
committed by Brad King
parent da566d4de8
commit 7414d422b2
1 changed files with 7 additions and 1 deletions
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8
Modules/CMakeDetermineCompilerId.cmake
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@@ -523,7 +523,7 @@ function(CMAKE_DETERMINE_COMPILER_ID_CHECK lang file)
file(STRINGS ${file}
CMAKE_${lang}_COMPILER_ID_STRINGS LIMIT_COUNT 38
${CMAKE_${lang}_COMPILER_ID_STRINGS_PARAMETERS}
REGEX "INFO:[A-Za-z0-9_]+\\[[^]]*\\]")
REGEX ".?I.?N.?F.?O.?:.?[A-Za-z0-9_]+\\[[^]]*\\]")
set(COMPILER_ID_TWICE)
# With the IAR Compiler, some strings are found twice, first time as incomplete
# list like "?<Constant "INFO:compiler[IAR]">". Remove the incomplete copies.
@@ -531,6 +531,12 @@ function(CMAKE_DETERMINE_COMPILER_ID_CHECK lang file)
# In C# binaries, some strings are found more than once.
list(REMOVE_DUPLICATES CMAKE_${lang}_COMPILER_ID_STRINGS)
foreach(info ${CMAKE_${lang}_COMPILER_ID_STRINGS})
# The IAR-AVR compiler uses a binary format that places a '6'
# character (0x34) before each character in the string. Strip
# out these characters without removing any legitamate characters.
if("${info}" MATCHES "(.)I.N.F.O.:.")
string(REGEX REPLACE "${CMAKE_MATCH_1}(.)" "\\1" info "${info}")
endif()
if("${info}" MATCHES "INFO:compiler\\[([^]\"]*)\\]")
if(COMPILER_ID)
set(COMPILER_ID_TWICE 1)