device/linux-*: use GCC-6 for all 3.x kernels

This will take too long to compile in CI, so let's [skip ci].

Related: #103 and <https://postmarketos.org/vendorkernel>

device/linux-amazon-thor/APKBUILD

@@ -10,9 +10,14 @@ _flavor="amazon-thor"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz dtbtool"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz dtbtool gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="kernel_phoenix_hdx-common"

device/linux-asus-duma/APKBUILD

@@ -10,9 +10,14 @@ _flavor="asus-duma"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="ElementalX-Kernel-for-ME302KL"

device/linux-asus-flo/APKBUILD

@@ -31,8 +31,11 @@ subpackages=""
 license="GPL2"
 _abi_release=${pkgver}
 _carch="arm"
+
+# Compiler: latest GCC from Alpine
 HOSTCC="${CC:-gcc}"
 HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+
 ksrcdir="$srcdir/linux-$pkgver"
 
 prepare() {

device/linux-asus-grouper/APKBUILD

@@ -26,7 +26,7 @@ arch="armhf"
 pkgdesc="Nexus 7 (2012) kernel from LineageOS"
 url="https://github.com/LineageOS/android_kernel_asus_grouper"
 depends=""
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev gcc6"
 options="!strip !check !tracedeps"
 install=
 source="
@@ -40,10 +40,14 @@ license="GPL2"
 
 _abi_release=${pkgver}
 _carch="arm"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
 
-#ksrcdir="$srcdir/${_vendor}-kernel-grouper-${_hash}"
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
+
 ksrcdir="$srcdir/android_kernel_asus_grouper-${_hash}"
 
 prepare() {

device/linux-asus-t00f/APKBUILD

@@ -10,9 +10,14 @@ _flavor="asus-t00f"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="android_kernel_asus_T00F"

device/linux-asus-tf101/APKBUILD

@@ -10,9 +10,14 @@ _flavor="asus-tf101"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="TF101-GNU-kernel"

device/linux-asus-z00t/APKBUILD

@@ -10,9 +10,14 @@ _flavor="asus-z00t"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="android_kernel_asus_msm8916"

device/linux-bq-chaozu/APKBUILD

@@ -10,9 +10,14 @@ _flavor="bq-chaozu"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="android_kernel_bq_msm8937"

device/linux-fairphone-fp2/APKBUILD

@@ -10,9 +10,14 @@ _flavor="fairphone-fp2"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev dtbtool xz"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev devicepkg-dev dtbtool xz gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="android_kernel_fairphone_msm8974"

device/linux-google-glass/APKBUILD

@@ -10,9 +10,14 @@ _flavor="google-glass"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="factory-kernel"

device/linux-gp-peak/APKBUILD

@@ -10,9 +10,14 @@ _flavor="gp-peak"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="gp-peak-kernel"

device/linux-htc-a5ul/APKBUILD

@@ -10,9 +10,14 @@ _flavor="htc-a5ul"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev lz4 dtbtool"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev lz4 dtbtool gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="android_kernel_htc_msm8974"

device/linux-htc-ace/APKBUILD

@@ -25,7 +25,7 @@ arch="armhf"
 pkgdesc="HTC Desire kernel from OpenDesireProject"
 url="https://github.com/OpenDesireProject/android_kernel_htc_msm7x30"
 depends=""
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz gcc6"
 options="!strip !check !tracedeps"
 install=
 source="
@@ -39,8 +39,13 @@ license="GPL2"
 
 _abi_release=${pkgver}
 _carch="arm"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 ksrcdir="$srcdir/android_kernel_htc_msm7x30-${_hash}"
 

device/linux-htc-bravo/APKBUILD

@@ -10,9 +10,14 @@ _flavor="htc-bravo"
 url="https://github.com/spezi77/android_kernel_htc_qsd8k_3.0"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="android_kernel_htc_qsd8k_3.0"

device/linux-htc-flounder/APKBUILD

@@ -10,9 +10,14 @@ _flavor="htc-flounder"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="android_kernel_htc_flounder"

device/linux-htc-m8/APKBUILD

@@ -10,9 +10,14 @@ _flavor="htc-m8"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool xz"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool xz gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="android_kernel_htc_msm8974"

device/linux-htc-vivo/APKBUILD

@@ -10,9 +10,14 @@ _flavor="htc-vivo"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev xz gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="T.E.S.C.O-kernel_vivo"

device/linux-huawei-angler/APKBUILD

@@ -26,7 +26,7 @@ arch="aarch64"
 pkgdesc="LineageOS kernel for Nexus 6P Angler"
 url="https://github.com/LineageOS/android_kernel_huawei_angler"
 depends=""
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev python2"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev python2 gcc6"
 options="!strip !check !tracedeps"
 install=
 source="
@@ -40,8 +40,13 @@ license="GPL2"
 
 _abi_release=${pkgver}
 _carch="arm64"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 ksrcdir="$srcdir/android_kernel_huawei_angler-${_hash}"
 

device/linux-huawei-y530/APKBUILD

@@ -10,9 +10,14 @@ _flavor="huawei-y530"
 url="https://github.com/PieroV/android_kernel_huawei_msm8x1x"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev dtbtool gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="android_kernel_huawei_msm8x1x"

device/linux-infocus-flatfish/APKBUILD

@@ -10,9 +10,14 @@ _flavor="infocus-flatfish"
 url="https://kernel.org"
 license="GPL2"
 options="!strip !check !tracedeps"
-makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev"
-HOSTCC="${CC:-gcc}"
-HOSTCC="${HOSTCC#${CROSS_COMPILE}}"
+makedepends="perl sed installkernel bash gmp-dev bc linux-headers elfutils-dev gcc6"
+
+# Compiler: this kernel was only tested with GCC6. Feel free to make a merge
+# request if you find out that it is booting working with newer GCCs as
+# well. See <https://postmarketos.org/vendorkernel> for instructions.
+CC="gcc6-$CC"
+HOSTCC="gcc6-gcc"
+CROSS_COMPILE="gcc6-$CROSS_COMPILE"
 
 # Source
 _repository="kernel_flatfish"