Linux: ensure meson finds libjpeg when cross-compiling

Author: lovell

build/lin.sh

@@ -183,6 +183,9 @@ ninja -C _build install
 mkdir ${DEPS}/gdkpixbuf
 curl -Lks https://download.gnome.org/sources/gdk-pixbuf/$(without_patch $VERSION_GDKPIXBUF)/gdk-pixbuf-${VERSION_GDKPIXBUF}.tar.xz | tar xJC ${DEPS}/gdkpixbuf --strip-components=1
 cd ${DEPS}/gdkpixbuf
+# Ensure meson can find libjpeg when cross-compiling
+sed -i "s/has_header('jpeglib.h')/has_header('jpeglib.h', args: '-I\/target\/include')/" meson.build
+sed -i "s/find_library('jpeg',/find_library('jpeg', dirs: '\/target\/lib',/" meson.build
 CFLAGS= CXXFLAGS= meson setup _build --buildtype=release --strip --libdir=lib --prefix=${TARGET} ${MESON} \
   -Dtiff=false -Dx11=false -Dgir=false -Dinstalled_tests=false -Dgio_sniffing=false -Dman=false -Dbuiltin_loaders=png,jpeg
 ninja -C _build