| Message ID | 20171107150558.22131-7-alex.bennee@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | Initial support for SVE | expand |
On Tue, Nov 07, 2017 at 03:05:54PM +0000, Alex Bennée wrote: > Useful for accessing API's that are still brewing, e.g: > > CROSS_PREFIX=aarch64-linux-gnu- \ > CPPFLAGS=-I/home/alex/lsrc/qemu/risu.git/sve-headers/include \ > ../configure > > Signed-off-by: Alex Bennée <alex.bennee@linaro.org> > --- > README | 6 ++++++ > configure | 1 + > 2 files changed, 7 insertions(+) > > diff --git a/README b/README > index 9946e6e..fbe408d 100644 > --- a/README > +++ b/README > @@ -26,6 +26,12 @@ Most useful is > need this if you're not building on the target system > (Example: CROSS_PREFIX=arm-linux-gnueabihf- ) > > +Another useful flag is > + CPPFLAGS= which specified pre-processor flags, usually -I statements > + for specifying extra include paths. Use this is you need something s/is/if/ > + from new kernel headers not installed on your system. > + (Example: CPPFLAGS=-I/path/to/sve-kernel-headers/include) > + You should probably point out that the path should refer to headers installed by running 'make headers_install' in the Linux source. This means we really test the uapi headers properly, and I don't get spurious bug reports about bad headers ;) [...] Cheers ---Dave
Dave Martin <Dave.Martin@arm.com> writes: > On Tue, Nov 07, 2017 at 03:05:54PM +0000, Alex Bennée wrote: >> Useful for accessing API's that are still brewing, e.g: >> >> CROSS_PREFIX=aarch64-linux-gnu- \ >> CPPFLAGS=-I/home/alex/lsrc/qemu/risu.git/sve-headers/include \ >> ../configure >> >> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> >> --- >> README | 6 ++++++ >> configure | 1 + >> 2 files changed, 7 insertions(+) >> >> diff --git a/README b/README >> index 9946e6e..fbe408d 100644 >> --- a/README >> +++ b/README >> @@ -26,6 +26,12 @@ Most useful is >> need this if you're not building on the target system >> (Example: CROSS_PREFIX=arm-linux-gnueabihf- ) >> >> +Another useful flag is >> + CPPFLAGS= which specified pre-processor flags, usually -I statements >> + for specifying extra include paths. Use this is you need something > > s/is/if/ > >> + from new kernel headers not installed on your system. >> + (Example: CPPFLAGS=-I/path/to/sve-kernel-headers/include) >> + > > You should probably point out that the path should refer to headers > installed by running 'make headers_install' in the Linux source. This > means we really test the uapi headers properly, and I don't get spurious > bug reports about bad headers ;) Will do. Thanks. > > [...] > > Cheers > ---Dave -- Alex Bennée
diff --git a/README b/README index 9946e6e..fbe408d 100644 --- a/README +++ b/README @@ -26,6 +26,12 @@ Most useful is need this if you're not building on the target system (Example: CROSS_PREFIX=arm-linux-gnueabihf- ) +Another useful flag is + CPPFLAGS= which specified pre-processor flags, usually -I statements + for specifying extra include paths. Use this is you need something + from new kernel headers not installed on your system. + (Example: CPPFLAGS=-I/path/to/sve-kernel-headers/include) + Passing --static will build a statically linked binary which is useful if you don't want to mess around with a chroot to run the binary. diff --git a/configure b/configure index c622a5e..65e1819 100755 --- a/configure +++ b/configure @@ -111,6 +111,7 @@ generate_makefilein() { echo "# Makefile.in - generated by the 'configure' script" > $m echo "ARCH:=${ARCH}" >> $m echo "CC:=${CC}" >> $m + echo "CPPFLAGS:=${CPPFLAGS}" >> $m echo "LDFLAGS:=${LDFLAGS}" >> $m echo "AS:=${AS}" >> $m echo "OBJCOPY:=${OBJCOPY}" >> $m
Useful for accessing API's that are still brewing, e.g: CROSS_PREFIX=aarch64-linux-gnu- \ CPPFLAGS=-I/home/alex/lsrc/qemu/risu.git/sve-headers/include \ ../configure Signed-off-by: Alex Bennée <alex.bennee@linaro.org> --- README | 6 ++++++ configure | 1 + 2 files changed, 7 insertions(+) -- 2.14.2