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cmake.bbclass: add HOSTTOOLS_DIR to CMAKE_FIND_ROOT_PATH

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The find_program command will fail if it is used on a tool that is listed in
ASSUME_PROVIDED. This is because these tools are in the hosttools directory
which is not listed in CMAKE_FIND_ROOT_PATH so cmake will not find them.

Adding the directory HOSTTOOLS_DIR to the CMAKE_FIND_ROOT_PATH variable fixes
the initial issue of needing to search for tools in ASSUME_PROVIDED.

Note that this change alone does not fix the issue because find_program will
by default only look into the subdirectories bin and usr/bin under the paths
in CMAKE_FIND_ROOT_PATH to find the programs and the hosttools directory has
instead the symlinks directly present without these subdirectories.

Set CMAKE_PROGRAM_PATH to by default include the root directory so
find_program can search the hosttools directory without needing the prefix
directories.

(From OE-Core rev: 7847f431cd8db59fce8c9401a603c4b0678ee16d)

Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Michael Ho
2019-08-14 17:05:15 +02:00
committed by Richard Purdie
parent 88a4e3cd31
commit dbba06d915
1 changed files with 2 additions and 1 deletions
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meta/classes/cmake.bbclass
+2 -1
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@@ -106,11 +106,12 @@ set( CMAKE_CXX_LINK_FLAGS "${OECMAKE_CXX_LINK_FLAGS}" CACHE STRING "LDFLAGS" )
# only search in the paths provided so cmake doesnt pick
# up libraries and tools from the native build machine
set( CMAKE_FIND_ROOT_PATH ${STAGING_DIR_HOST} ${STAGING_DIR_NATIVE} ${CROSS_DIR} ${OECMAKE_PERLNATIVE_DIR} ${OECMAKE_EXTRA_ROOT_PATH} ${EXTERNAL_TOOLCHAIN})
set( CMAKE_FIND_ROOT_PATH ${STAGING_DIR_HOST} ${STAGING_DIR_NATIVE} ${CROSS_DIR} ${OECMAKE_PERLNATIVE_DIR} ${OECMAKE_EXTRA_ROOT_PATH} ${EXTERNAL_TOOLCHAIN} ${HOSTTOOLS_DIR})
set( CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_PROGRAM ${OECMAKE_FIND_ROOT_PATH_MODE_PROGRAM} )
set( CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY )
set( CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY )
set( CMAKE_PROGRAM_PATH "/" )
# Use qt.conf settings
set( ENV{QT_CONF_PATH} ${WORKDIR}/qt.conf )