Add library suffix to avoid conflict with mesa-libs + mesa-dri.
Library selection is handled by libglvnd and/or libmap.conf.

--- meson.build.orig	2020-05-30 21:28:01 UTC
+++ meson.build
@@ -79,7 +79,7 @@ with_imgui = with_intel_tools or with_vulkan_overlay_l
 
 dri_drivers_path = get_option('dri-drivers-path')
 if dri_drivers_path == ''
-  dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri')
+  dri_drivers_path = join_paths(get_option('prefix'), get_option('libdir'), 'dri' + get_option('egl-lib-suffix'))
 endif
 dri_search_path = get_option('dri-search-path')
 if dri_search_path == ''
@@ -427,9 +427,6 @@ if with_glvnd
   elif with_glx == 'disabled' and not with_egl
     error('glvnd requires DRI based GLX and/or EGL')
   endif
-  if get_option('egl-lib-suffix') != ''
-    error('''EGL lib suffix can't be used with libglvnd''')
-  endif
 endif
 
 if with_vulkan_icd_dir == ''
@@ -491,7 +488,7 @@ if with_gallium_vdpau
 endif
 vdpau_drivers_path = get_option('vdpau-libs-path')
 if vdpau_drivers_path == ''
-  vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau')
+  vdpau_drivers_path = join_paths(get_option('libdir'), 'vdpau' + get_option('egl-lib-suffix'))
 endif
 
 if with_gallium_zink
@@ -638,7 +635,7 @@ endif
 
 va_drivers_path = get_option('va-libs-path')
 if va_drivers_path == ''
-  va_drivers_path = join_paths(get_option('libdir'), 'dri')
+  va_drivers_path = join_paths(get_option('libdir'), 'dri' + get_option('egl-lib-suffix'))
 endif
 
 _xa = get_option('gallium-xa')
--- src/amd/vulkan/meson.build.orig	2022-02-25 15:38:08 UTC
+++ src/amd/vulkan/meson.build
@@ -92,7 +92,7 @@ libradv_files = files(
   'vk_format.h',
 )
 
-files_drirc = files('00-radv-defaults.conf')
+files_drirc = files('00-radv@0@-defaults.conf'.format(get_option('egl-lib-suffix')))
 
 install_data(files_drirc, install_dir : join_paths(get_option('datadir'), 'drirc.d'))
 
@@ -150,7 +150,7 @@ endif
 vulkan_radv_def = 'vulkan_radv.def'
 
 libvulkan_radeon = shared_library(
-  'vulkan_radeon',
+  'vulkan_radeon' + get_option('egl-lib-suffix'),
   [libradv_files, radv_entrypoints, sha1_h],
   vs_module_defs : vulkan_radv_def,
   include_directories : [
--- src/egl/meson.build.orig	2020-12-03 22:36:27 UTC
+++ src/egl/meson.build
@@ -144,7 +144,7 @@ if not with_glvnd
   egl_lib_name = 'EGL' + get_option('egl-lib-suffix')
   egl_lib_version = '1.0.0'
 else
-  egl_lib_name = 'EGL_@0@'.format(glvnd_vendor_name)
+  egl_lib_name = 'EGL_@0@'.format(glvnd_vendor_name) + get_option('egl-lib-suffix')
   egl_lib_version = '0.0.0'
   deps_for_egl += dep_glvnd
   files_egl += [g_egldispatchstubs_h, g_egldispatchstubs_c]
--- src/gbm/backends/dri/gbm_dri.c.orig	2020-05-30 21:28:01 UTC
+++ src/gbm/backends/dri/gbm_dri.c
@@ -307,14 +307,6 @@ dri_bind_extensions(struct gbm_dri_device *dri,
 static const __DRIextension **
 dri_open_driver(struct gbm_dri_device *dri)
 {
-   /* Temporarily work around dri driver libs that need symbols in libglapi
-    * but don't automatically link it in.
-    */
-   /* XXX: Library name differs on per platforms basis. Update this as
-    * osx/cygwin/windows/bsd gets support for GBM..
-    */
-   dlopen("libglapi.so.0", RTLD_LAZY | RTLD_GLOBAL);
-
    static const char *search_path_vars[] = {
       /* Read GBM_DRIVERS_PATH first for compatibility, but LIBGL_DRIVERS_PATH
        * is recommended over GBM_DRIVERS_PATH.
--- src/gbm/meson.build.orig	2020-05-30 21:28:01 UTC
+++ src/gbm/meson.build
@@ -44,7 +44,7 @@ if with_platform_wayland
 endif
 
 libgbm = shared_library(
-  'gbm',
+  'gbm' + get_option('egl-lib-suffix'),
   files_gbm,
   include_directories : incs_gbm,
   c_args : [c_vis_args, args_gbm],
--- src/glx/meson.build.orig	2020-12-03 22:36:27 UTC
+++ src/glx/meson.build
@@ -108,10 +108,10 @@ elif with_dri_platform == 'windows'
 endif
 
 if not with_glvnd
-  gl_lib_name = 'GL'
+  gl_lib_name = 'GL' + get_option('egl-lib-suffix')
   gl_lib_version = '1.2.0'
 else
-  gl_lib_name = 'GLX_@0@'.format(glvnd_vendor_name)
+  gl_lib_name = 'GLX_@0@'.format(glvnd_vendor_name) + get_option('egl-lib-suffix')
   gl_lib_version = '0.0.0'
   files_libglx += files(
     'g_glxglvnddispatchfuncs.c',
--- src/intel/vulkan/meson.build.orig	2021-02-06 23:04:35 UTC
+++ src/intel/vulkan/meson.build
@@ -170,7 +170,7 @@ libanv_common = static_library(
 )
 
 libvulkan_intel = shared_library(
-  'vulkan_intel',
+  'vulkan_intel' + get_option('egl-lib-suffix'),
   [files('anv_gem.c'), anv_entrypoints[0]],
   include_directories : [
     inc_include, inc_src, inc_mapi, inc_mesa, inc_gallium, inc_intel, inc_compiler, inc_vulkan_wsi,
--- src/mapi/es1api/meson.build.orig	2020-05-30 21:28:01 UTC
+++ src/mapi/es1api/meson.build
@@ -33,7 +33,7 @@ if with_platform_windows
 endif
 
 libglesv1_cm = shared_library(
-  'GLESv1_CM' + get_option('gles-lib-suffix'),
+  'GLESv1_CM' + get_option('egl-lib-suffix') + get_option('gles-lib-suffix'),
   ['../entry.c', es1_glapi_mapi_tmp_h],
   c_args : [
     c_msvc_compat_args,
--- src/mapi/es2api/meson.build.orig	2020-05-30 21:28:01 UTC
+++ src/mapi/es2api/meson.build
@@ -33,7 +33,7 @@ if with_platform_windows
 endif
 
 libgles2 = shared_library(
-  'GLESv2' + get_option('gles-lib-suffix'),
+  'GLESv2' + get_option('egl-lib-suffix') + get_option('gles-lib-suffix'),
   ['../entry.c', es2_glapi_mapi_tmp_h],
   c_args : [
     c_msvc_compat_args,
--- src/mapi/shared-glapi/meson.build.orig	2020-05-30 21:28:01 UTC
+++ src/mapi/shared-glapi/meson.build
@@ -42,7 +42,7 @@ if with_platform_windows
 endif
 
 libglapi = shared_library(
-  'glapi',
+  'glapi' + get_option('egl-lib-suffix'),
   [files_mapi_glapi, files_mapi_util, shared_glapi_mapi_tmp_h],
   c_args : [
     _glapi_c_args,
--- src/util/meson.build.orig	2021-02-24 18:55:02 UTC
+++ src/util/meson.build
@@ -135,7 +135,7 @@ files_mesa_util = files(
   'xxhash.h',
 )
 
-files_drirc = files('00-mesa-defaults.conf')
+files_drirc = files('00-mesa@0@-defaults.conf'.format(get_option('egl-lib-suffix')))
 
 install_data(files_drirc, install_dir : join_paths(get_option('datadir'), 'drirc.d'))
 
@@ -158,7 +158,7 @@ files_xmlconfig = files(
 
 files_xmlconfig += custom_target(
   'driconf_static.h',
-  input: ['driconf_static.py', '00-mesa-defaults.conf'],
+  input: ['driconf_static.py', '00-mesa@0@-defaults.conf'.format(get_option('egl-lib-suffix'))],
   output: 'driconf_static.h',
   command: [
     prog_python, '@INPUT0@', '@INPUT1@', '@OUTPUT@'
