autoconf: Adjust to new asm SOURCES variables

Commit 90b2beb661 changed the assembly
variables. Without this change, the glapi assembly wasn't being built
when it was supposed to, resulting in missing symbols in libGL.

Signed-off-by: Dan Nicholson <dbn.lists@gmail.com>

configs/autoconf.in

@@ -22,8 +22,8 @@ LDFLAGS = @LDFLAGS@
 EXTRA_LIB_PATH = @EXTRA_LIB_PATH@
 
 # Assembler
-ASM_SOURCES = @ASM_SOURCES@
-ASM_API = @ASM_API@
+MESA_ASM_SOURCES = @MESA_ASM_SOURCES@
+GLAPI_ASM_SOURCES = @GLAPI_ASM_SOURCES@
 
 # Misc tools and flags
 MAKE = @MAKE@

configure.ac

@@ -273,8 +273,8 @@ AC_ARG_ENABLE([asm],
 )
 asm_arch=""
 ASM_FLAGS=""
-ASM_SOURCES=""
-ASM_API=""
+MESA_ASM_SOURCES=""
+GLAPI_ASM_SOURCES=""
 AC_MSG_CHECKING([whether to enable assembly])
 test "x$enable_asm" = xno && AC_MSG_RESULT([no])
 # disable if cross compiling on x86/x86_64 since we must run gen_matypes
@@ -315,19 +315,19 @@ if test "x$enable_asm" = xyes; then
     case "$asm_arch" in
     x86)
         ASM_FLAGS="-DUSE_X86_ASM -DUSE_MMX_ASM -DUSE_3DNOW_ASM -DUSE_SSE_ASM"
-        ASM_SOURCES='$(X86_SOURCES)'
-        ASM_API='$(X86_API)'
+        MESA_ASM_SOURCES='$(X86_SOURCES)'
+        GLAPI_ASM_SOURCES='$(X86_API)'
         AC_MSG_RESULT([yes, x86])
         ;;
     x86_64)
         ASM_FLAGS="-DUSE_X86_64_ASM"
-        ASM_SOURCES='$(X86-64_SOURCES)'
-        ASM_API='$(X86-64_API)'
+        MESA_ASM_SOURCES='$(X86-64_SOURCES)'
+        GLAPI_ASM_SOURCES='$(X86-64_API)'
         AC_MSG_RESULT([yes, x86_64])
         ;;
     ppc)
         ASM_FLAGS="-DUSE_PPC_ASM -DUSE_VMX_ASM"
-        ASM_SOURCES='$(PPC_SOURCES)'
+        MESA_ASM_SOURCES='$(PPC_SOURCES)'
         AC_MSG_RESULT([yes, ppc])
         ;;
     *)
@@ -336,8 +336,8 @@ if test "x$enable_asm" = xyes; then
     esac
 fi
 AC_SUBST([ASM_FLAGS])
-AC_SUBST([ASM_SOURCES])
-AC_SUBST([ASM_API])
+AC_SUBST([MESA_ASM_SOURCES])
+AC_SUBST([GLAPI_ASM_SOURCES])
 
 dnl PIC code macro
 MESA_PIC_FLAGS