diff options
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/CheckConstantExists.cmake | 38 | ||||
| -rw-r--r-- | Modules/FindUSB.cmake | 2 | 
2 files changed, 39 insertions, 1 deletions
| diff --git a/Modules/CheckConstantExists.cmake b/Modules/CheckConstantExists.cmake new file mode 100644 index 0000000..3d6d97e --- /dev/null +++ b/Modules/CheckConstantExists.cmake @@ -0,0 +1,38 @@ +# - Check if the given constant exists (as an enum, define, or whatever) +# CHECK_CONSTANT_EXISTS (CONSTANT HEADER VARIABLE) +# +#  CONSTANT - the name of the constant you are interested in +#  HEADER - the header(s) where the prototype should be declared +#  VARIABLE - variable to store the result +# +# The following variables may be set before calling this macro to +# modify the way the check is run: +# +#  CMAKE_REQUIRED_FLAGS = string of compile command line flags +#  CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar) +#  CMAKE_REQUIRED_INCLUDES = list of include directories +# +# Example: CHECK_CONSTANT_EXISTS(O_NOFOLLOW fcntl.h HAVE_O_NOFOLLOW) + + +INCLUDE(CheckCSourceCompiles) + +MACRO (CHECK_CONSTANT_EXISTS _CONSTANT _HEADER _RESULT) +   SET(_INCLUDE_FILES) +   FOREACH (it ${_HEADER}) +      SET(_INCLUDE_FILES "${_INCLUDE_FILES}#include <${it}>\n") +   ENDFOREACH (it) + +   SET(_CHECK_CONSTANT_SOURCE_CODE " +${_INCLUDE_FILES} +void cmakeRequireConstant(int dummy,...){(void)dummy;} +int main() +{ +   cmakeRequireConstant(0,${_CONSTANT}); +   return 0; +} +") +   CHECK_C_SOURCE_COMPILES("${_CHECK_CONSTANT_SOURCE_CODE}" ${_RESULT}) + +ENDMACRO (CHECK_CONSTANT_EXISTS) + diff --git a/Modules/FindUSB.cmake b/Modules/FindUSB.cmake index d562b98..8659ec2 100644 --- a/Modules/FindUSB.cmake +++ b/Modules/FindUSB.cmake @@ -10,7 +10,7 @@ include(LibFindMacros)  # Dependencies  # Use pkg-config to get hints about paths -libfind_pkg_check_modules(USB_PKGCONF libusb-1.0) +libfind_pkg_check_modules(USB_PKGCONF libusb-1.0>=1.0.2)  # Include dir  find_path(USB_INCLUDE_DIR | 
