[CMake] getting paths of header files

[Owen Alanzo Hogarth]

Some additional info.

Here is my cmakelists.txt for the vector3_scalar module:
PROJECT(vector3_scalar)
SET(CMAKE_MACOSX_RPATH 1)

INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/../common)

SET(HEADER_FILES ${CMAKE_CURRENT_SOURCE_DIR}/../common/common_structs.h)
SET(SRC_FILES ${CMAKE_CURRENT_SOURCE_DIR}/src/vector3_scalar.c
${HEADER_FILES})

ADD_LIBRARY(vector3_scalar SHARED ${SRC_FILES})


now my cmakelists.txt for my matrix4_scalar module. This one depends on
vector3_scalar

PROJECT(matrix4_scalar)
SET(CMAKE_MACOSX_RPATH 1)

INCLUDE_DIRECTORIES(${CMAKE_CURRENT_SOURCE_DIR}/../common
    ${CMAKE_CURRENT_SOURCE_DIR}/../vector3_scalar
    ${CMAKE_CURRENT_SOURCE_DIR}/../vector3_scalar/headers)

SET(HEADER_FILES ${CMAKE_CURRENT_SOURCE_DIR}/../common/common_structs.h
    ${CMAKE_CURRENT_SOURCE_DIR}/../vector3_scalar/headers/vector3_scalar.h
    ${CMAKE_CURRENT_SOURCE_DIR}/headers/matrix4_scalar.h)

SET(SRC_FILES ${CMAKE_CURRENT_SOURCE_DIR}/src/matrix4_scalar.c
${HEADER_FILES})

ADD_LIBRARY(matrix4_scalar SHARED ${SRC_FILES})

TARGET_LINK_LIBRARIES(matrix4_scalar vector3_scalar)

I am having trouble because when running cmake I get this error that says
no rule to make target

Scanning dependencies of target vector3_scalar
[ 25%] Building C object
source/core_math/vector3_scalar/CMakeFiles/vector3_scalar.dir/sr
c/vector3_scalar.c.o
[ 50%] Linking C shared library
$(CMAKE_BINARY_DIR)/lib/libvector3_scalar.dylib
[ 50%] Built target vector3_scalar
Scanning dependencies of target matrix4_scalar
[ 75%] Building C object
source/core_math/matrix4_scalar/CMakeFiles/matrix4_scalar.dir/sr
c/matrix4_scalar.c.o
make[2]: *** No rule to make target
`source/core_math/vector3_scalar//Users/blubee/SDL/pr
oject/build/lib/libvector3_scalar.dylib', needed by
`source/core_math/matrix4_scalar//Use
rs/blubee/SDL/project/build/lib/libmatrix4_scalar.dylib'.  Stop.
make[1]: ***
[source/core_math/matrix4_scalar/CMakeFiles/matrix4_scalar.dir/all] Error 2
make: *** [all] Error 2




On Mon, Oct 19, 2015 at 5:58 AM, Owen Alanzo Hogarth <gurenchan at gmail.com>
wrote:

> I am having some trouble with my cmake build. I recently redesigned the
> physical layout of my files so that it'll be a bit easier to maintain in
> the long run.
>
> I have my project structure setup like this.
>
> MAIN_PROJECT/
> project/main.c # this is the executable
> resources/...    # a folder filled with resources
> source/
> source/moduleA/moduleA.h #includes all headers for this module
>                                              #a user would just import
> moduleA.h
>
> source/moduleA/headers/header1.h header2.h
> source/moduleA/src/source1.c  source2.c
> source/moduleA/common/common_structs.h #holds common structs for
>
> #all src files in this module
>
>
> with my project re-organized like this and try to build my shared
> libraries I get no output.
>
> For example main cmakelists.txt file
>
> PROJECT(project)
> CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
>
> SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY $(CMAKE_BINARY_DIR)/lib)
> SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY $(CMAKE_BINARY_DIR)/lib)
> SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY $(CMAKE_BINARY_DIR)/bin)
>
> SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake_modules)
>
> ADD_SUBDIRECTORY(source)
>
> FILE(COPY ${CMAKE_CURRENT_SOURCE_DIR}/resources/ DESTINATION
> ${CMAKE_CURRENT_BINARY_DIR}/bin/resources/)
>
> this is one module within the source folder, a matrix4
>
> PROJECT(matrix4_scalar)
>
> INCLUDE_DIRECTORIES("${CMAKE_CURRENT_SOURCE_DIR}/../common")
>
> INCLUDE_DIRECTORIES("${CMAKE_CURRENT_SOURCE_DIR}/../vector3_scalar/headers/vector3_scalar.h")
>
> SET(HEADER_FILES "${CMAKE_CURRENT_SOURCE_DIR}/../common/common_structs.h"
> "${CMAKE_CURRENT_SOURCE_DIR}/../vector3_scalar/headers/vector3_scalar.h")
>
>
> SET(SRC_FILES src/matrix4_scalar.c ${HEADER_FILES})
>
> ADD_LIBRARY(matrix4_scalar SHARED ${SRC_FILES})
>
> TARGET_LINK_LIBRARIES(matrix4_scalar vector3_scalar)
>
>
>
> The vector3 class is built in a similar way but has no outside
> dependencies except for the common_struct.h header file.
>
> This matrix class depends on the vector3 class so I have it as a target
> link library.
>
> When I build like this I get no output to my lib directories and I am not
> sure what's going on.
>
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