summaryrefslogtreecommitdiffstats
path: root/Modules
diff options
context:
space:
mode:
authorRolf Eike Beer <eike@sf-mail.de>2017-01-27 15:49:45 (GMT)
committerRolf Eike Beer <eike@sf-mail.de>2017-02-02 17:28:56 (GMT)
commit94a8ee6fd0ba487437579bb224500b9f46c2819c (patch)
tree56f87cc596695caf84cc209ec45ba3ca80f2fb1c /Modules
parent940bf6a4a427c8edfd975bf078a3ea331847f72a (diff)
downloadCMake-94a8ee6fd0ba487437579bb224500b9f46c2819c.zip
CMake-94a8ee6fd0ba487437579bb224500b9f46c2819c.tar.gz
CMake-94a8ee6fd0ba487437579bb224500b9f46c2819c.tar.bz2
GNU C: record that C99 is available since at least 3.4
Diffstat (limited to 'Modules')
-rw-r--r--Modules/Compiler/GNU-C-FeatureTests.cmake10
-rw-r--r--Modules/Compiler/GNU-C.cmake9
2 files changed, 9 insertions, 10 deletions
diff --git a/Modules/Compiler/GNU-C-FeatureTests.cmake b/Modules/Compiler/GNU-C-FeatureTests.cmake
index b3fe33f..0ab5265 100644
--- a/Modules/Compiler/GNU-C-FeatureTests.cmake
+++ b/Modules/Compiler/GNU-C-FeatureTests.cmake
@@ -1,5 +1,5 @@
-set(_cmake_oldestSupported "(__GNUC__ * 100 + __GNUC_MINOR__) >= 404")
+set(_cmake_oldestSupported "(__GNUC__ * 100 + __GNUC_MINOR__) >= 304")
# GNU 4.7 correctly sets __STDC_VERSION__ to 201112L, but GNU 4.6 sets it
# to 201000L. As the former is strictly greater than the latter, test only
@@ -8,10 +8,10 @@ set(_cmake_oldestSupported "(__GNUC__ * 100 + __GNUC_MINOR__) >= 404")
# to the distinction between __cplusplus and __GXX_EXPERIMENTAL_CXX0X__ tests.
set(GNU46_C11 "(__GNUC__ * 100 + __GNUC_MINOR__) >= 406 && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201000L")
set(_cmake_feature_test_c_static_assert "${GNU46_C11}")
-# Since 4.4 at least:
-set(GNU44_C99 "(__GNUC__ * 100 + __GNUC_MINOR__) >= 404 && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L")
-set(_cmake_feature_test_c_restrict "${GNU44_C99}")
-set(_cmake_feature_test_c_variadic_macros "${GNU44_C99}")
+# Since 3.4 at least:
+set(GNU34_C99 "(__GNUC__ * 100 + __GNUC_MINOR__) >= 304 && defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L")
+set(_cmake_feature_test_c_restrict "${GNU34_C99}")
+set(_cmake_feature_test_c_variadic_macros "${GNU34_C99}")
set(GNU_C90 "${_cmake_oldestSupported}")
set(_cmake_feature_test_c_function_prototypes "${GNU_C90}")
diff --git a/Modules/Compiler/GNU-C.cmake b/Modules/Compiler/GNU-C.cmake
index 05c3bb2..3f02618 100644
--- a/Modules/Compiler/GNU-C.cmake
+++ b/Modules/Compiler/GNU-C.cmake
@@ -4,12 +4,12 @@ __compiler_gnu(C)
if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.5)
set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c90")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu90")
-elseif (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
+elseif (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
set(CMAKE_C90_STANDARD_COMPILE_OPTION "-std=c89")
set(CMAKE_C90_EXTENSION_COMPILE_OPTION "-std=gnu89")
endif()
-if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
+if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
set(CMAKE_C99_STANDARD_COMPILE_OPTION "-std=c99")
set(CMAKE_C99_EXTENSION_COMPILE_OPTION "-std=gnu99")
endif()
@@ -22,7 +22,7 @@ elseif (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6)
set(CMAKE_C11_EXTENSION_COMPILE_OPTION "-std=gnu1x")
endif()
-if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
+if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
if (NOT CMAKE_C_COMPILER_FORCED)
if (NOT CMAKE_C_STANDARD_COMPUTED_DEFAULT)
message(FATAL_ERROR "CMAKE_C_STANDARD_COMPUTED_DEFAULT should be set for ${CMAKE_C_COMPILER_ID} (${CMAKE_C_COMPILER}) version ${CMAKE_C_COMPILER_VERSION}")
@@ -38,10 +38,9 @@ if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
endif()
endif()
-
macro(cmake_record_c_compile_features)
set(_result 0)
- if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.4)
+ if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 3.4)
if(_result EQUAL 0 AND CMAKE_C11_STANDARD_COMPILE_OPTION)
_record_compiler_features_c(11)
endif()