Perfect. This way work fine. Thanks! 2017-01-31 10:49 GMT+01:00 Juergen Borleis : > Hi Alejandro, > > On Tuesday 31 January 2017 10:27:04 Alejandro Vázquez wrote: > > I need use kernel headers to build a IPU app. > > I select KERNEL_HEADERS in ptxdist and I add > > CFLAGS="-I$(KERNEL_HEADERS_INCLUDE_DIR)" in *.make. > > Also I have added in the makefile -I$(KERNEL_HEADERS_INCLUDE_DIR) > > > > But it still does not compile because it does not find the headers. > > It looks like the variable KERNEL_HEADERS_INCLUDE_DIR is empty, this can > > be seen in the output of the compilation. > > > > ------------------------- > > > target: alpha_ex1.compile > > > ------------------------- > > > make[1]: Entering directory `/ptxdist/BSP/local_src/alpha_ex1' > > > arm-v7a-linux-gnueabihf-gcc -g -O0 -o alpha_ex1 alpha_ex1.c -I \ > > > -I/uapi > > > alpha_ex1.c:26:25: fatal error: linux/mxcfb.h: No such file or > > > directory #include > > > > Is there something wrong? > > Yes. You modify CFLAGS but you do not use it in your local Makefile. > > Try this instead: > > [...] > ALPHA_EX1_MAKE_ENV := $(CROSS_ENV) \ > "KERNEL_HEADERS_INCLUDE_DIR=$(KERNEL_HEADERS_INCLUDE_DIR)" > [...] > > This should set and forward the variable to 'make' when it works through > your local Makefile. > > Happy hacking > Juergen > > -- > Pengutronix e.K. | Juergen Borleis > | > Industrial Linux Solutions | http://www.pengutronix.de/ > | >