Hi again,
Filipe Sousa wrote:
ADD_CUSTOM_COMMAND(
OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/copy.h
COMMAND cp ${CMAKE_CURRENT_SOURCE_DIR}/a.h
${CMAKE_CURRENT_BINARY_DIR}/copy.h
DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/a.h
)
INCLUDE_DIRECTORIES(
${CMAKE_CURRENT_BINARY_DIR} # for copy.h
${CMAKE_CURRENT_SOURCE_DIR} # becasuse copy.h needs b.h
)
ADD_LIBRARY(test
a.cpp
${CMAKE_CURRENT_BINARY_DIR}/copy.h
a.h
)
--------- snip ------------
[EMAIL PROTECTED] ~/tmp/example/cmake_example/build $ touch ../b.h
[EMAIL PROTECTED] ~/tmp/example/cmake_example/build $ make
Scanning dependencies of target test
[ 50%] Building CXX object CMakeFiles/test.dir/a.o
Linking CXX static library libtest.a
[100%] Built target test
In this case, the correct output should be:
[EMAIL PROTECTED] ~/tmp/example/cmake_example/build $ make
[ 50%] Generating copy.h
Scanning dependencies of target test
[100%] Building CXX object CMakeFiles/test.dir/a.o
Linking CXX static library libtest.a
[100%] Built target test
Copy.h is dependent on a.h, which is then dependent on b.h, so copy.h should be
regenerated as well, but it is not.
[EMAIL PROTECTED] ~/tmp/example/cmake_example/build $ cmake --version
cmake version 2.5-2006100
My version is cmake-2.4-patch3.
Dejan
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