Compile with gcc-8 on all architectures

Update the compiler dependencies for x86 to the first version of gcc-8
with retpoline support.

debian/changelog

@@ -7,6 +7,7 @@ linux (4.19~rc1-1~exp1) UNRELEASED; urgency=medium
   * debian/rules.d: Update for move of bin2c back up to scripts
   * locking/lockdep: Delete unnecesary #include (fixes liblockdep build)
   * [hppa] debian/control: Simplify build-dependencies for 64-bit toolchain
+  * Compile with gcc-8 on all architectures
 
  -- Ben Hutchings <ben@decadent.org.uk>  Mon, 27 Aug 2018 14:36:54 +0100
 

debian/config/amd64/defines

@@ -16,8 +16,8 @@ install-stem: vmlinuz
 breaks: xserver-xorg-input-vmmouse (<< 1:13.0.99)
 
 [relations]
-gcc-7: gcc-7 (>= 7.2.0-20~) <!stage1 !cross>, gcc-7-x86-64-linux-gnu (>= 7.2.0-20~) <!stage1 cross>
+gcc-8: gcc-8 (>= 8-20180123-1~) <!stage1 !cross>, gcc-8-x86-64-linux-gnu (>= 8-20180123-1~) <!stage1 cross>
-headers%gcc-7: linux-compiler-gcc-7-x86 (>= 4.14.17-1~)
+headers%gcc-8: linux-compiler-gcc-8-x86
 
 [amd64_description]
 hardware: 64-bit PCs

debian/config/armel/defines

@@ -12,7 +12,7 @@ uncompressed-image-file: arch/arm/boot/Image
 install-stem: vmlinuz
 
 [relations]
-headers%gcc-7: linux-compiler-gcc-7-arm
+headers%gcc-8: linux-compiler-gcc-8-arm
 
 [marvell_description]
 hardware: Marvell Kirkwood/Orion

debian/config/armhf/defines

@@ -12,7 +12,7 @@ vdso: true
 install-stem: vmlinuz
 
 [relations]
-headers%gcc-7: linux-compiler-gcc-7-arm
+headers%gcc-8: linux-compiler-gcc-8-arm
 
 [armmp_description]
 hardware: ARMv7 multiplatform compatible SoCs

debian/config/defines

@@ -110,7 +110,7 @@ arches:
  sparc
  sparc64
  x32
-compiler: gcc-7
+compiler: gcc-8
 featuresets:
  none
  rt
@@ -133,7 +133,7 @@ recommends: apparmor
 
 [relations]
 # compilers
-gcc-7: gcc-7 <!stage1 !cross>, gcc-7-@gnu-type-package@ <!stage1 cross>
+gcc-8: gcc-8 <!stage1 !cross>, gcc-8-@gnu-type-package@ <!stage1 cross>
 
 # initramfs-generators
 initramfs-fallback: linux-initramfs-tool

debian/config/hppa/defines

@@ -28,5 +28,5 @@ hardware: multiprocessor 64-bit PA-RISC
 hardware-long: HP PA-RISC 64-bit SMP systems with support for more than 4 GB RAM
 
 [relations]
-gcc-7: gcc-7 <!stage1 !cross>, gcc-7-hppa-linux-gnu <!stage1 cross>, binutils-hppa64-linux-gnu <!stage1>, gcc-7-hppa64-linux-gnu <!stage1>
+gcc-8: gcc-8 <!stage1 !cross>, gcc-8-hppa-linux-gnu <!stage1 cross>, binutils-hppa64-linux-gnu <!stage1>, gcc-8-hppa64-linux-gnu <!stage1>
 

debian/config/i386/defines

@@ -21,8 +21,8 @@ install-stem: vmlinuz
 breaks: xserver-xorg-input-vmmouse (<< 1:13.0.99)
 
 [relations]
-gcc-7: gcc-7 (>= 7.2.0-20~) <!stage1 !cross>, gcc-7-i686-linux-gnu (>= 7.2.0-20~) <!stage1 cross>
+gcc-8: gcc-8 (>= 8-20180123-1~) <!stage1 !cross>, gcc-8-x86-64-linux-gnu (>= 8-20180123-1~) <!stage1 cross>
-headers%gcc-7: linux-compiler-gcc-7-x86 (>= 4.14.17-1~)
+headers%gcc-8: linux-compiler-gcc-8-x86
 
 [686_description]
 hardware: older PCs

debian/config/s390x/defines

@@ -12,7 +12,7 @@ bootloaders: s390-tools
 install-stem: vmlinuz
 
 [relations]
-headers%gcc-7: linux-compiler-gcc-7-s390
+headers%gcc-8: linux-compiler-gcc-8-s390
 
 [s390x_build]
 debug-info: true

debian/templates/control.extra.in

@@ -1,24 +1,24 @@
-Package: linux-compiler-gcc-7-arm
+Package: linux-compiler-gcc-8-arm
 Build-Profiles: <!stage1>
-Depends: gcc-7, ${misc:Depends}
+Depends: gcc-8, ${misc:Depends}
 Architecture: armel armhf
 Multi-Arch: foreign
 Description: Compiler for Linux on ARM (meta-package)
  This package depends on GCC of the appropriate version and architecture
  for Linux on armel and armhf.
 
-Package: linux-compiler-gcc-7-s390
+Package: linux-compiler-gcc-8-s390
 Build-Profiles: <!stage1>
-Depends: gcc-7, ${misc:Depends}
+Depends: gcc-8, ${misc:Depends}
 Architecture: s390 s390x
 Multi-Arch: foreign
 Description: Compiler for Linux on IBM zSeries (meta-package)
  This package depends on GCC of the appropriate version and architecture
  for Linux on s390 and s390x.
 
-Package: linux-compiler-gcc-7-x86
+Package: linux-compiler-gcc-8-x86
 Build-Profiles: <!stage1>
-Depends: gcc-7 (>= 7.2.0-20~), ${misc:Depends}
+Depends: gcc-8 (>= 8-20180123-1~), ${misc:Depends}
 Architecture: amd64 i386 x32
 Multi-Arch: foreign
 Description: Compiler for Linux on x86 (meta-package)