0029328: Configuration, CMake scripts - use MATCHES instead of STREQUAL to check for compiler type

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Date Submitted

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0029328

Open CASCADE

[OCCT] OCCT:Configuration

public

2017-11-16 08:56

2020-09-11 17:08

Reporter

abv

Assigned To

bugmaster

Priority

normal

Severity

minor

Status

assigned

Resolution

open

Platform

OS Version

Product Version

Target Version

[OCCT] 7.6.0*

Fixed in Version

Summary

0029328: Configuration, CMake scripts - use MATCHES instead of STREQUAL to check for compiler type

Description

Currently in the OCCT's own CMake scripts the checks for compiler type are made using STREQUAL operator. This seems to be not the best practice: both Cotire and OCE do that check using MATCHES operator.

Additional information
and documentation updates

D:\ABV\OCCT\occt\adm\cmake>grep -i clang *

cotire.cmake: # Compiler id for Apple Clang is now AppleClang
cotire.cmake: if (_option_COMPILER_ID MATCHES "Clang")
cotire.cmake: set (_prologue "#pragma clang system_header")
cotire.cmake: elseif (_compilerID MATCHES "Clang")
cotire.cmake: # Clang options used
cotire.cmake: elseif (_compilerID MATCHES "GNU|Clang")
cotire.cmake: # GCC / Clang options used
cotire.cmake: elseif (_compilerID MATCHES "Clang")
cotire.cmake: # Clang options used
cotire.cmake: elseif (CMAKE_${_language}_COMPILER_ID MATCHES "Clang")
cotire.cmake: # all Clang versions have PCH support
cotire.cmake: # PCH compilation not supported by GCC / Clang for multi-architecture builds (e.g., i386, x86_64)
cotire.cmake: if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang|Intel|MSVC")
cotire.cmake: elseif (CMAKE_${_language}_COMPILER_ID MATCHES "Clang")
cotire.cmake: # Clang looks for a precompiled header corresponding to the prefix header with the extension .pch appended
cotire.cmake: if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang")
cotire.cmake: # GNU and Clang require indirect compilation of the prefix header to make them honor the system_header pragma
cotire.cmake: if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang")
cotire.cmake: if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang")
cotire.cmake: # GNU and Clang require indirect compilation of the prefix header to make them honor the system_header pragma
cotire.cmake: if (CMAKE_${_language}_COMPILER_ID MATCHES "GNU|Clang")
cotire.cmake: C_CLANG_TIDY CXX_CLANG_TIDY)

occt_defs_flags.cmake:elseif (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
occt_defs_flags.cmake:elseif ("x${CMAKE_CXX_COMPILER_ID}" STREQUAL "xClang")
occt_macros.cmake: elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")

Issue History
Date Modified	Username	Field	Change
2017-11-16 08:56	abv	New Issue
2017-11-16 08:56	abv	Assigned To	=> bugmaster
2017-11-23 14:32	bugmaster	Assigned To	bugmaster => apn
2017-11-23 14:32	bugmaster	Status	new => assigned
2019-07-19 17:11	apn	Test case number	=> Not needed
2019-07-19 17:11	apn	Target Version	=> 7.5.0
2020-09-11 15:37	utverdov	Assigned To	apn => inv
2020-09-11 15:40	utverdov	Target Version	7.5.0 => 7.6.0*
2020-09-11 17:08	bugmaster	Assigned To	inv => bugmaster

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