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Diffstat (limited to 'Help/prop_tgt/COMPILE_DEFINITIONS.rst')
| -rw-r--r-- | Help/prop_tgt/COMPILE_DEFINITIONS.rst | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/Help/prop_tgt/COMPILE_DEFINITIONS.rst b/Help/prop_tgt/COMPILE_DEFINITIONS.rst index 81e73a4..00c49c3 100644 --- a/Help/prop_tgt/COMPILE_DEFINITIONS.rst +++ b/Help/prop_tgt/COMPILE_DEFINITIONS.rst @@ -3,21 +3,24 @@ COMPILE_DEFINITIONS Preprocessor definitions for compiling a target's sources. -The COMPILE_DEFINITIONS property may be set to a semicolon-separated -list of preprocessor definitions using the syntax VAR or VAR=value. +The ``COMPILE_DEFINITIONS`` property may be set to a semicolon-separated +list of preprocessor definitions using the syntax ``VAR`` or ``VAR=value``. Function-style definitions are not supported. CMake will automatically escape the value correctly for the native build system (note that CMake language syntax may require escapes to specify some -values). This property may be set on a per-configuration basis using -the name COMPILE_DEFINITIONS_<CONFIG> where <CONFIG> is an upper-case -name (ex. "COMPILE_DEFINITIONS_DEBUG"). +values). CMake will automatically drop some definitions that are not supported by the native build tool. The VS6 IDE does not support definition values with spaces (but NMake does). -Contents of COMPILE_DEFINITIONS may use "generator expressions" with the +.. include:: /include/COMPILE_DEFINITIONS_DISCLAIMER.txt + +Contents of ``COMPILE_DEFINITIONS`` may use "generator expressions" with the syntax ``$<...>``. See the :manual:`cmake-generator-expressions(7)` manual -for available expressions. +for available expressions. See the :manual:`cmake-buildsystem(7)` manual +for more on defining buildsystem properties. -.. include:: /include/COMPILE_DEFINITIONS_DISCLAIMER.txt +The corresponding :prop_tgt:`COMPILE_DEFINITIONS_<CONFIG>` property may +be set to specify per-configuration definitions. Generator expressions +should be preferred instead of setting the alternative property. |