include/rom.sh: use ccache when building coreboot

ccache now required, in build dependencies

Signed-off-by: Leah Rowe <leah@libreboot.org>

config/dependencies/arch

@@ -4,7 +4,7 @@ acpica arm-none-eabi-binutils arm-none-eabi-gcc arm-none-eabi-newlib \
 autogen base-devel bison cmake curl device-mapper doxygen \
 dtc e2fsprogs flex freetype2 fuse2 gawk gcc-ada gdb gettext git \
 help2man innoextract libftdi libgpiod libjaylink libpciaccess libusb nasm \
-ncurses openssl p7zip \
+ncurses openssl p7zip ccache \
 pandoc parted pciutils perl perl-libwww python python-setuptools rsync \
 sharutils subversion swig texinfo ttf-dejavu unarchiver unzip wget xz zlib \
 "

config/dependencies/debian

@@ -11,5 +11,5 @@ libsdl2-dev libselinux1-dev libssl-dev libtool libusb-1.0 libusb-1.0-0-dev \
 libusb-dev lz4 lzma lzma-alone m4 nasm openssl p7zip p7zip-full parted pciutils \
 perl pkg-config python3 python3-distutils python3-pkg-resources python3-pycryptodome \
 python3-pyelftools python3-setuptools python-is-python3 sharutils swig unar \
-unifont unifont-bin unzip uuid-dev wget xfonts-unifont zlib1g-dev \
+unifont unifont-bin unzip uuid-dev wget xfonts-unifont zlib1g-dev ccache \
 "

config/dependencies/fedora38

@@ -8,5 +8,5 @@ innoextract intltool libftdi-devel libselinux-devel libusb1 libusb1-devel \
 nasm ncurses-devel openssl-devel p7zip p7zip-plugins pandoc parted \
 pciutils-devel perl perl-libwww-perl python-unversioned-command python3 \
 python3-setuptools rsync sharutils subversion texinfo unar unifont \
-unifont-fonts unifont-ttf-fonts unzip wget xz zlib-devel \
+unifont-fonts unifont-ttf-fonts unzip wget xz zlib-devel ccache \
 "

config/dependencies/fedora40

@@ -9,5 +9,5 @@ libselinux-devel libusb1 libusb1-devel nasm ncurses-devel openssl-devel \
 p7zip p7zip-plugins pandoc parted pciutils-devel perl perl-libwww-perl \
 python-unversioned-command python3 python3-setuptools rsync sharutils \
 subversion systemd-devel texinfo unar unifont unifont-fonts \
-unifont-ttf-fonts unzip wget xz zlib-devel
+unifont-ttf-fonts unzip wget xz zlib-devel ccache
 "

config/dependencies/parabola

@@ -7,5 +7,5 @@ help2man innoextract libftdi libgpiod libjaylink libpciaccess libusb nasm \
 ncurses openssl p7zip \
 pandoc parted pciutils perl perl-libwww python python-setuptools rsync \
 sharutils subversion swig texinfo ttf-dejavu unarchiver unifont-utils unzip \
-wget xz zlib \
+wget xz zlib ccache \
 "

config/dependencies/trisquel

@@ -5,7 +5,7 @@ bison build-essential cmake curl device-tree-compiler doxygen e2fsprogs efitools
 flex gawk gcc-arm-linux-gnueabi gcc-arm-none-eabi gdb gettext git gnat help2man \
 innoextract libdevmapper-dev libfdt-dev libfont-freetype-perl libfreetype6-dev \
 libftdi-dev libfuse-dev libgnutls28-dev libgpiod-dev libjaylink-dev liblz4-tool \
-liblzma-dev libncurses5-dev \
+liblzma-dev libncurses5-dev ccache \
 libncurses-dev libnewlib-arm-none-eabi libopts25 libopts25-dev libpci-dev \
 libpython3-dev libsdl2-dev libselinux1-dev libssl-dev libtool libusb-1.0-0 \
 libusb-1.0-0-dev lz4 lzma lzma-alone m4 nasm openssl p7zip p7zip-full parted \

config/dependencies/ubuntu2004

@@ -10,5 +10,5 @@ libpython3-dev libsdl2-dev libselinux1-dev libssl-dev libtool libusb-1.0-0 \
 libusb-1.0-0-dev lz4 lzma lzma-alone m4 nasm openssl p7zip p7zip-full parted \
 pciutils perl pkg-config python3 python3-distutils python3-pkg-resources \
 python3-pycryptodome python3-pyelftools python3-setuptools python-is-python3 \
-sharutils swig ttf-unifont unar unifont unzip uuid-dev wget zlib1g-dev \
+sharutils swig ttf-unifont unar unifont unzip uuid-dev wget zlib1g-dev ccache \
 "

config/dependencies/ubuntu2404

@@ -10,5 +10,5 @@ libpython3-dev libsdl2-dev libselinux1-dev libssl-dev libtool libusb-1.0-0 \
 libusb-1.0-0-dev lz4 lzma lzma-alone m4 nasm openssl p7zip p7zip-full parted \
 pciutils perl pkg-config python3 python3-pkg-resources python3-pycryptodome \
 python3-pyelftools python3-setuptools python-is-python3 sharutils swig \
-fonts-unifont unar unifont unzip uuid-dev wget zlib1g-dev \
+fonts-unifont unar unifont unzip uuid-dev wget zlib1g-dev ccache \
 "

config/dependencies/void

@@ -8,5 +8,5 @@ freetype freetype-devel fuse gawk gcc-ada gdb gettext gettext-devel git \
 help2man innoextract libftdi1 libpciaccess libusb nasm ncurses \
 ncurses-devel openssl openssl-devel p7zip parted pciutils perl perl-LWP \
 python python3 python3-setuptools rsync sharutils subversion texinfo \
-unar unzip wget xz zlib
+unar unzip wget xz zlib ccache
 "

include/rom.sh

@@ -23,11 +23,20 @@ mkpayload_grub()
 
 mkvendorfiles()
 {
+	[ -z "$mode" ] && $dry cook_coreboot_config
 	check_cbfstool "$tree"; printf "69\n" > "$srcdir/.coreboot-version" \
 	    || $err "!cbver $srcdir"; [ -z "$mode" ] && \
 	    [ "$target" != "$tree" ] && x_ ./vendor download $target; return 0
 }
 
+cook_coreboot_config()
+{
+	[ -f "$srcdir/.config" ] || return 0
+	printf "CONFIG_CCACHE=y\n" >> "$srcdir/.config" || \
+	    $err "$srcdir/.config: Could not enable ccache"
+	make -C "$srcdir" oldconfig || $err "Could not cook $srcdir/.config"; :
+}
+
 check_cbfstool()
 {
 	[ "$badhash" = "n" ] || rm -f "elf/cbfstool/$1/cbfstool" || \