[Cmake-commits] CMake branch, next, updated. v3.7.2-2319-gcfa206c
Brad King
brad.king at kitware.com
Tue Jan 24 16:37:45 EST 2017
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via 0256ba65a806b9e9aefa03acec4f39cdcf71f2e4 (commit)
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- Log -----------------------------------------------------------------
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=cfa206ce421fe093b95aeb3ff14cce38d0005f28
commit cfa206ce421fe093b95aeb3ff14cce38d0005f28
Merge: 8708542 0256ba6
Author: Brad King <brad.king at kitware.com>
AuthorDate: Tue Jan 24 16:37:45 2017 -0500
Commit: CMake Topic Stage <kwrobot at kitware.com>
CommitDate: Tue Jan 24 16:37:45 2017 -0500
Merge topic 'determine_id_without_user_specified_flags' into next
0256ba65 CMakeDetermineCompilerId: check with and without user-specified flags
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=0256ba65a806b9e9aefa03acec4f39cdcf71f2e4
commit 0256ba65a806b9e9aefa03acec4f39cdcf71f2e4
Author: Michael Maltese <michaeljosephmaltese at gmail.com>
AuthorDate: Mon Jan 23 18:58:18 2017 -0800
Commit: Brad King <brad.king at kitware.com>
CommitDate: Tue Jan 24 16:33:41 2017 -0500
CMakeDetermineCompilerId: check with and without user-specified flags
Clang may raise an error when passed a `-march=` option that doesn't
correspond to the current target triple. CMake cannot pass the target
triple when determining the compiler id because it doesn't know how yet,
but it does pass along user-specified flags. This breaks when those
user-specified flags include `-march=`. Fix this use case by also
trying to find the compiler id without the user-specified flags.
Fixes: #16587
diff --git a/Modules/CMakeDetermineCompilerId.cmake b/Modules/CMakeDetermineCompilerId.cmake
index bb34de5..ae485bf 100644
--- a/Modules/CMakeDetermineCompilerId.cmake
+++ b/Modules/CMakeDetermineCompilerId.cmake
@@ -24,16 +24,21 @@ function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
# Try building with no extra flags and then try each set
# of helper flags. Stop when the compiler is identified.
- foreach(flags ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS_FIRST}
- ""
- ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS})
- CMAKE_DETERMINE_COMPILER_ID_BUILD("${lang}" "${flags}" "${src}")
- CMAKE_DETERMINE_COMPILER_ID_MATCH_VENDOR("${lang}" "${COMPILER_${lang}_PRODUCED_OUTPUT}")
- if(CMAKE_${lang}_COMPILER_ID)
- break()
- endif()
- foreach(file ${COMPILER_${lang}_PRODUCED_FILES})
- CMAKE_DETERMINE_COMPILER_ID_CHECK("${lang}" "${CMAKE_${lang}_COMPILER_ID_DIR}/${file}" "${src}")
+ foreach(userflags "${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}" "")
+ foreach(testflags ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS_FIRST}
+ ""
+ ${CMAKE_${lang}_COMPILER_ID_TEST_FLAGS})
+ CMAKE_DETERMINE_COMPILER_ID_BUILD("${lang}" "${testflags}" "${userflags}" "${src}")
+ CMAKE_DETERMINE_COMPILER_ID_MATCH_VENDOR("${lang}" "${COMPILER_${lang}_PRODUCED_OUTPUT}")
+ if(CMAKE_${lang}_COMPILER_ID)
+ break()
+ endif()
+ foreach(file ${COMPILER_${lang}_PRODUCED_FILES})
+ CMAKE_DETERMINE_COMPILER_ID_CHECK("${lang}" "${CMAKE_${lang}_COMPILER_ID_DIR}/${file}" "${src}")
+ endforeach()
+ if(CMAKE_${lang}_COMPILER_ID)
+ break()
+ endif()
endforeach()
if(CMAKE_${lang}_COMPILER_ID)
break()
@@ -42,7 +47,9 @@ function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
# If the compiler is still unknown, try to query its vendor.
if(CMAKE_${lang}_COMPILER AND NOT CMAKE_${lang}_COMPILER_ID)
- CMAKE_DETERMINE_COMPILER_ID_VENDOR(${lang})
+ foreach(userflags "${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}" "")
+ CMAKE_DETERMINE_COMPILER_ID_VENDOR(${lang} "${userflags}")
+ endforeach()
endif()
if (COMPILER_QNXNTO AND CMAKE_${lang}_COMPILER_ID STREQUAL "GNU")
@@ -66,7 +73,9 @@ function(CMAKE_DETERMINE_COMPILER_ID lang flagvar src)
endif()
if(CMAKE_GENERATOR STREQUAL "Ninja" AND MSVC_${lang}_ARCHITECTURE_ID)
- CMAKE_DETERMINE_MSVC_SHOWINCLUDES_PREFIX(${lang})
+ foreach(userflags "${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}" "")
+ CMAKE_DETERMINE_MSVC_SHOWINCLUDES_PREFIX(${lang} "${userflags}")
+ endforeach()
else()
set(CMAKE_${lang}_CL_SHOWINCLUDES_PREFIX "")
endif()
@@ -127,7 +136,7 @@ endfunction()
#-----------------------------------------------------------------------------
# Function to build the compiler id source file and look for output
# files.
-function(CMAKE_DETERMINE_COMPILER_ID_BUILD lang testflags src)
+function(CMAKE_DETERMINE_COMPILER_ID_BUILD lang testflags userflags src)
# Create a clean working directory.
file(REMOVE_RECURSE ${CMAKE_${lang}_COMPILER_ID_DIR})
file(MAKE_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR})
@@ -137,7 +146,7 @@ function(CMAKE_DETERMINE_COMPILER_ID_BUILD lang testflags src)
# Construct a description of this test case.
set(COMPILER_DESCRIPTION
"Compiler: ${CMAKE_${lang}_COMPILER} ${CMAKE_${lang}_COMPILER_ID_ARG1}
-Build flags: ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
+Build flags: ${userflags}
Id flags: ${testflags} ${CMAKE_${lang}_COMPILER_ID_FLAGS_ALWAYS}
")
@@ -327,7 +336,7 @@ Id flags: ${testflags} ${CMAKE_${lang}_COMPILER_ID_FLAGS_ALWAYS}
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
${CMAKE_${lang}_COMPILER_ID_ARG1}
- ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
+ ${userflags}
${testflags}
${CMAKE_${lang}_COMPILER_ID_FLAGS_ALWAYS}
"${src}"
@@ -615,7 +624,7 @@ endfunction()
# set(CMAKE_${lang}_COMPILER_ID_VENDOR_REGEX_${vendor} "Some Vendor Output")
# We try running the compiler with the flag for each vendor and
# matching its regular expression in the output.
-function(CMAKE_DETERMINE_COMPILER_ID_VENDOR lang)
+function(CMAKE_DETERMINE_COMPILER_ID_VENDOR lang userflags)
if(NOT CMAKE_${lang}_COMPILER_ID_DIR)
# We get here when this function is called not from within CMAKE_DETERMINE_COMPILER_ID()
@@ -633,7 +642,7 @@ function(CMAKE_DETERMINE_COMPILER_ID_VENDOR lang)
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
${CMAKE_${lang}_COMPILER_ID_ARG1}
- ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
+ ${userflags}
${flags}
WORKING_DIRECTORY ${CMAKE_${lang}_COMPILER_ID_DIR}
OUTPUT_VARIABLE output ERROR_VARIABLE output
@@ -661,7 +670,7 @@ function(CMAKE_DETERMINE_COMPILER_ID_VENDOR lang)
endforeach()
endfunction()
-function(CMAKE_DETERMINE_MSVC_SHOWINCLUDES_PREFIX lang)
+function(CMAKE_DETERMINE_MSVC_SHOWINCLUDES_PREFIX lang userflags)
# Run this MSVC-compatible compiler to detect what the /showIncludes
# option displays. We can use a C source even with the C++ compiler
# because MSVC-compatible compilers handle both and show the same output.
@@ -671,7 +680,7 @@ function(CMAKE_DETERMINE_MSVC_SHOWINCLUDES_PREFIX lang)
execute_process(
COMMAND "${CMAKE_${lang}_COMPILER}"
${CMAKE_${lang}_COMPILER_ID_ARG1}
- ${CMAKE_${lang}_COMPILER_ID_FLAGS_LIST}
+ ${userflags}
/nologo /showIncludes /c main.c
WORKING_DIRECTORY ${showdir}
OUTPUT_VARIABLE out
-----------------------------------------------------------------------
Summary of changes:
Modules/CMakeDetermineCompilerId.cmake | 47 +++++++++++++++++++-------------
1 file changed, 28 insertions(+), 19 deletions(-)
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