cmake-precompiled-header

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GermanAizek

If you rename PrecompiledHeader.cmake to FindPrecompiledHeader.cmake, then you can use FIND_PACKAGE( PrecompiledHeader REQUIRED ) rather than include...

towel42-com

The GNUCXX custom_command copy DEPENDENCY doesn't track headers included by the pch

1

Adding "IMPLICIT_DEPENDS CXX ${_pch_header}" in addition to "DEPENDS ${_pch_header}" fixed it for me. https://github.com/LucidFusionLabs/cmake-precompiled-header/commit/27eda54069418de6ed1b72d5ed0419c8a7b16d04 is the fork I'm using. Thanks!

LucidFusionLabs

Ninja build does not work if you have more than one lib/exe

2

This is because with Ninja generator 'CMAKE_CFG_INTDIR' get resolves to '.' thus making all projects pointing to the same file which at this point in time it is not supported....

bertubezz

## GCC pre-compiled header found in different folder (Idea) I got gcc pre-compiled headers to work with a regular makefile and tried your code and played with it. The whole...

matthias-p-nowak

For gcc in release mode, -DNDEBUG flag is missing when pch is generated. As the pch is not generated with the same flags, it is not used during the compilation...

dlaugt

Not all flags are getting grabbed.

2

setting 'CMAKE_CXX_STANDARD' is not being applied to the compiler flags. It causes compilation to fail when using c++11 or greater features.

Zerophase

If project define string difinition or have debug compiller options - not work precompile header.

3

if some in CMakeLists.txt have : target_compile_definitions(test-cxx-force PUBLIC OPENFLAG=\"Open\") build wrong gch file. if call cmake with -DCMAKE_BUILD_TYPE=Debug build wrong gch file. Try this lifehack :) #export_all_flags("${_pch_flags_file}") #set(_compiler_FLAGS "@${_pch_flags_file}") add_custom_command(...

talshadow

NMake rebuilds everything when used with add_subdirectory()

1

Using the `add_subdirectory` function in cmake to include a project using a precompiled header will work with VS/MSBuild generators, but the NMake generator will not detect its output binaries and...

calgray

-g flag not picked up for PCH compile

1

For some reason, the `-g` flag is not in CMake's `$` nor ...`COMPILE_OPTIONS`, and so doesn't get written to the `.rsp` file. This results in a warning of different options...

tamboril