disable C extgensions, remove xopen def

horta · Nov 9, 2022 · c1e5264 · c1e5264
1 parent ad34f45
commit c1e5264
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Showing 4 changed files with 7 additions and 3 deletions.
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
 - repo: https://github.com/pre-commit/pre-commit-hooks
-  rev: v4.0.1
+  rev: v4.3.0
   hooks:
     - id: trailing-whitespace
     - id: check-added-large-files

diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -3,7 +3,7 @@ cmake_minimum_required(VERSION 3.16.3 FATAL_ERROR)
 project(
   logaddexp
   LANGUAGES C
-  VERSION 2.1.9)
+  VERSION 2.1.10)
 
 set(LOGADDEXP_MAIN_PROJECT OFF)
 if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
@@ -22,6 +22,7 @@ message(STATUS "LOGADDEXP_MAIN_PROJECT: " ${LOGADDEXP_MAIN_PROJECT})
 message(STATUS "LOGADDEXP_BUILD_TESTS: " ${LOGADDEXP_BUILD_TESTS})
 
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
+set(CMAKE_C_EXTENSIONS OFF)
 
 include(cmake/compiler-options.cmake)
 include(cmake/sanitizers.cmake)

diff --git a/include/logaddexp/logaddexp.h b/include/logaddexp/logaddexp.h
@@ -7,6 +7,10 @@
 #include <float.h>
 #include <math.h>
 
+#ifndef M_LN2
+#define M_LN2 0.69314718055994530942 /* log_e 2 */
+#endif
+
 /* Computes ㏒ₑ(𝑒ˣ + 𝑒ʸ) in a safe and accurate way.
  *
  * For example, `log(exp(1e3) + exp(-INFINITY))` will likely overflow,

diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
@@ -6,7 +6,6 @@ function(logaddexp_add_test name)
   target_compile_options(${target} PRIVATE ${WARNING_FLAGS})
   target_compile_definitions(${target} PRIVATE $<$<BOOL:${WIN32}>:_CRT_SECURE_NO_WARNINGS>)
   target_compile_definitions(${target} PRIVATE $<$<BOOL:${WIN32}>:_CRT_NONSTDC_NO_DEPRECATE>)
-  target_compile_definitions(${target} PRIVATE _XOPEN_SOURCE=700)
   add_test(NAME ${name} COMMAND ${target})
 endfunction()