Remove extra spaces and invert the if condition to check whether the OS is AIX

Author: reshmavk

cli/processexecutor.cpp

@@ -276,7 +276,7 @@ bool ProcessExecutor::handleRead(int rpipe, unsigned int &result, const std::str
 
 bool ProcessExecutor::checkLoadAverage(size_t nchildren)
 {
-#if defined(__QNX__) || defined(__HAIKU__)  || defined(_AIX)// getloadavg() is unsupported on Qnx, Haiku, AIX.
+#if defined(__QNX__) || defined(__HAIKU__) || defined(_AIX) // getloadavg() is unsupported on Qnx, Haiku, AIX.
     (void)nchildren;
     return true;
 #else

test/signal/CMakeLists.txt

@@ -8,9 +8,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang"
     target_compile_options_safe(test-signalhandler -Wno-missing-declarations)
     target_compile_options_safe(test-signalhandler -Wno-missing-prototypes)
     # required for backtrace() to produce function names
-    if(CMAKE_SYSTEM_NAME MATCHES AIX)
-        target_link_options(test-signalhandler PRIVATE)
-    else()
+    if(NOT CMAKE_SYSTEM_NAME MATCHES AIX)
         target_link_options(test-signalhandler PRIVATE -rdynamic)
     endif()
 endif()
@@ -24,9 +22,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "Clang"
     target_compile_options_safe(test-stacktrace -Wno-missing-declarations)
     target_compile_options_safe(test-stacktrace -Wno-missing-prototypes)
     # required for backtrace() to produce function names
-    if(CMAKE_SYSTEM_NAME MATCHES AIX)
-        target_link_options(test-signalhandler PRIVATE)
-    else()
+    if(NOT CMAKE_SYSTEM_NAME MATCHES AIX)
         target_link_options(test-stacktrace PRIVATE -rdynamic)
     endif()
 endif()