meson: Support installing without wrapper packages

Currently we are using wrapper packages to provide new GBM API and
vendor package.

But that requires the API clients honor our package config(.pc) files.

Adding an option to disable wrappers for the ones that don't follow the
rules.

Change-Id: Ie55aa712311c1df21ba0c11b924454febecca9f6
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>

fixup_dummy.sh

@@ -0,0 +1,17 @@
+#!/bin/sh -e
+
+[ $# -lt 2 ] && {
+	echo "usage: $0 <dest dir> <source library>"
+	exit 1
+}
+
+DEST_DIR="${MESON_INSTALL_DESTDIR_PREFIX:-/usr}/$1"
+SOURCE="$(basename $2)"
+
+# Replace dummy library
+cd "$DEST_DIR"
+cp $SOURCE libmali.so
+cp -a libmali.so $SOURCE
+
+# For old DDK(e.g. utgard)
+cp -a libmali.so libMali.so.*

fixup_wrappers.sh

@@ -0,0 +1,15 @@
+#!/bin/sh -e
+
+[ $# -lt 1 ] && {
+	echo "usage: $0 <dest dir>"
+	exit 1
+}
+
+BUILD_DIR="${MESON_BUILD_ROOT:-build}"
+DEST_DIR="${MESON_INSTALL_DESTDIR_PREFIX:-/usr}/$1"
+
+# Cleanup wrappers
+cd "$DEST_DIR"
+for f in $(cd $BUILD_DIR && find . -maxdepth 1 -type f -name "lib*"); do
+	echo $f | grep -q libmali.so || cp -a libmali.so $f
+done

meson.build

@@ -20,6 +20,7 @@ subversion = get_option('subversion')
 platform = get_option('platform')
 opencl_icd = get_option('opencl-icd')
 vendor_package = get_option('vendor-package')
+wrapper_packages = get_option('wrapper-packages')
 
 message('Building for ' + '|'.join([arch, gpu, version, subversion, platform]))
 
@@ -30,10 +31,27 @@ libs = cmd.stdout().strip().split('\n')
 # Use the first one as default library
 default_lib = libs[0]
 if default_lib == ''
-  error('failed to find matched library.')
+  error('Failed to find matched library')
 endif
 
-message('building for @0@'.format(libs))
+message('Source libraries: @0@'.format(libs))
+
+if wrapper_packages
+  message('Provide wrapper packages')
+else
+  # The vendor package requires soname of wrapper packages.
+  if vendor_package
+    error('Cannot provide vendor package without wrapper packages')
+  endif
+endif
+
+# Install wrapper libraries into vendor dir
+if vendor_package
+  message('Build vendor package')
+  wrapper_libdir = get_option('libdir') / 'mali'
+else
+  wrapper_libdir = get_option('libdir')
+endif
 
 # Wrap library name : version
 mali_wrappers = {'Mali' : '1'}
@@ -65,10 +83,13 @@ cl_headers = {
   'include/CL' : 'CL',
 }
 
+# Provide newer GBM version with wrapper packages
+gbm_version = wrapper_packages ? '20.1.5' : '10.4.0'
+
 # Package name : required symbol, wrappers, headers, package version
 map = {
   'Mali' : ['', mali_wrappers, mali_headers, mali_version],
-  'gbm' : ['gbm_create_device', gbm_wrappers, gbm_headers, '20.1.5'],
+  'gbm' : ['gbm_create_device', gbm_wrappers, gbm_headers, gbm_version],
   'egl' : ['eglCreateContext', egl_wrappers, egl_headers, '7.10'],
   'glesv1_cm' : ['eglCreateContext', glesv1_wrappers, glesv1_headers, '7.10'],
   'glesv2' : ['eglCreateContext', glesv2_wrappers, glesv2_headers, '7.10'],
@@ -91,12 +112,6 @@ pkgconfig.generate(
   libmali,
   description : 'Mali GPU User-Space Binary Driver')
 
-if vendor_package
-  wrapper_libdir = get_option('libdir') / 'mali'
-else
-  wrapper_libdir = get_option('libdir')
-endif
-
 # The gbm functions might be missing
 gbm_check_funcs = [
   'gbm_bo_map',
@@ -155,7 +170,6 @@ foreach name, values : map
   wrapper_ldflags = []
   is_opencl_icd = opencl_icd and name == 'OpenCL'
 
-  # TODO: Use readelf -s ?
   if run_command('grep', '-q', symbol, default_lib).returncode() != 0
     continue
   endif
@@ -240,6 +254,13 @@ elif get_option('khr-header')
     rename : 'khrplatform.h')
 endif
 
-# Install target libraries and replace the dummy one
+# Install target libraries
 install_data(libs, install_dir : get_option('libdir'))
-meson.add_install_script('postinst.sh', get_option('libdir'), default_lib)
+
+# Fixup dummy library
+meson.add_install_script('fixup_dummy.sh', get_option('libdir'), default_lib)
+
+if not wrapper_packages
+# Fixup wrappers
+  meson.add_install_script('fixup_wrappers.sh', get_option('libdir'))
+endif

meson_options.txt

@@ -16,3 +16,5 @@ option('khr-header', type: 'boolean', value: 'false',
        description: 'Install KHR header (default: false)')
 option('vendor-package', type: 'boolean', value: 'false',
        description: 'Install as vendor package (default: false)')
+option('wrapper-packages', type: 'boolean', value: 'true',
+       description: 'Install with wrapper packages (default: true)')

parse_name.sh

@@ -11,7 +11,7 @@ parse_name() {
 	GPU=$(echo $1|cut -d'-' -f'2,3')
 	VERSION=$(echo $1|cut -d'-' -f4)
 
-	PLATFORM=$(echo $1 | grep -owE "gbm|wayland|x11|only-cl|dummy")
+	PLATFORM=$(echo $1|grep -owE "gbm|wayland|x11|only-cl|dummy")
 	[ -z "$PLATFORM" ] && PLATFORM=x11
 
 	SUBVERSION=$(echo ${1%-$PLATFORM}|cut -d'-' -f'5-')

postinst.sh

@@ -1,10 +0,0 @@
-#!/bin/sh
-
-[ $# -lt 2 ] && exit
-
-LIB_DIR="${MESON_INSTALL_DESTDIR_PREFIX:-/usr}/$1"
-LIBMALI="$(basename $2)"
-
-cd $LIB_DIR && \
-	cp "$LIBMALI" libmali.so && \
-	ln -sf libmali.so "$LIBMALI"