iglunix/pkgs/mesa/byacc.patch

diff --git a/meson.build b/meson.build
index 96571c9df2569ff77b1d04944883f49118570ee8..c0a2316a263bc2628d13103359539b692c9b56aa 100644
--- a/meson.build
+++ b/meson.build
@@ -1708,7 +1708,7 @@ if host_machine.system() == 'windows'
     prog_bison = find_program('bison', 'yacc', required : with_any_opengl)
   endif
 else
-  prog_bison = find_program('bison', required : with_any_opengl)
+  prog_bison = find_program('bison', 'byacc', required : with_any_opengl)
 
   # Disable deprecated keyword warnings, since we have to use them for
   # old-bison compat.  See discussion in
diff --git a/src/compiler/glsl/glcpp/meson.build b/src/compiler/glsl/glcpp/meson.build
index 9c40fd72c61a780ba77a245e13cced974011c7ab..6441bc6313f39e8ca93991f07b8658b9974913d9 100644
--- a/src/compiler/glsl/glcpp/meson.build
+++ b/src/compiler/glsl/glcpp/meson.build
@@ -18,14 +18,24 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+bison_command=[]
+if prog_bison == 'bison'
+  bison_command = [
+    prog_bison, '-o', '@OUTPUT0@', '-p', 'glcpp_parser_',
+    '--defines=@OUTPUT1@', '@INPUT@',
+  ]
+else
+  bison_command = [
+    prog_bison, '-o', '@OUTPUT0@', '-p', 'glcpp_parser_',
+    '-H', '@OUTPUT1@', '@INPUT@',
+  ]
+endif
+
 glcpp_parse = custom_target(
   'glcpp-parse.[ch]',
   input : 'glcpp-parse.y',
   output : ['glcpp-parse.c', 'glcpp-parse.h'],
-  command : [
-    prog_bison, '-o', '@OUTPUT0@', '-p', 'glcpp_parser_',
-    '--defines=@OUTPUT1@', '@INPUT@',
-  ],
+  command : bison_command
 )
 
 glcpp_lex = custom_target(
diff --git a/src/compiler/glsl/meson.build b/src/compiler/glsl/meson.build
index 92635958adfe52d2a9a3726ad7de73195654dc9c..c44903d4f18fe6772d4906f0866c5e5a7e291935 100644
--- a/src/compiler/glsl/meson.build
+++ b/src/compiler/glsl/meson.build
@@ -20,14 +20,24 @@
 
 subdir('glcpp')
 
+bison_command=[]
+if prog_bison == 'bison'
+  bison_command = [
+    prog_bison, '-o', '@OUTPUT0@', '-p', '_mesa_glsl_', '--defines=@OUTPUT1@',
+    '@INPUT@',
+  ]
+else
+  bison_command = [
+    prog_bison, '-o', '@OUTPUT0@', '-p', '_mesa_glsl_', '-H', '@OUTPUT1@',
+    '@INPUT@',
+  ]
+endif
+
 glsl_parser = custom_target(
   'glsl_parser',
   input : 'glsl_parser.yy',
   output : ['glsl_parser.cpp', 'glsl_parser.h'],
-  command : [
-    prog_bison, '-o', '@OUTPUT0@', '-p', '_mesa_glsl_', '--defines=@OUTPUT1@',
-    '@INPUT@',
-  ],
+  command : bison_command
 )
 
 glsl_lexer_cpp = custom_target(
diff --git a/src/mesa/program/meson.build b/src/mesa/program/meson.build
index 5f3325ff53c66fb34f4643dd6cea20aa3ee69104..a22d332d3594bae215158a140f1bf1bcb93b64b5 100644
--- a/src/mesa/program/meson.build
+++ b/src/mesa/program/meson.build
@@ -18,6 +18,13 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
+bison_command=[]
+if prog_bison == 'bison'
+  bison_command = [prog_bison, '-o', '@OUTPUT0@', '--defines=@OUTPUT1@', '@INPUT@']
+else
+  bison_command = [prog_bison, '-o', '@OUTPUT0@', '-H', '@OUTPUT1@', '@INPUT@']
+endif
+
 mesa_lex = custom_target(
   'mesa_lex',
   input : 'program_lexer.l',
@@ -29,5 +36,5 @@ program_parse_tab = custom_target(
   'program_parse_tab.[ch]',
   input : 'program_parse.y',
   output : ['program_parse.tab.c', 'program_parse.tab.h'],
-  command : [prog_bison, '-o', '@OUTPUT0@', '--defines=@OUTPUT1@', '@INPUT@'],
+  command : bison_command,
 )