/[gxemul]/trunk/configure
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 36 by dpavlin, Mon Oct 8 16:21:34 2007 UTC revision 42 by dpavlin, Mon Oct 8 16:22:32 2007 UTC
# Line 27  Line 27 
27  #  SUCH DAMAGE.  #  SUCH DAMAGE.
28  #  #
29  #  #
30  #  $Id: configure,v 1.245 2007/03/16 14:13:59 debug Exp $  #  $Id: configure,v 1.270 2007/06/15 17:13:40 debug Exp $
31  #  #
32  #  This is a minimal configure script, hardcoded for GXemul. This script  #  This is a minimal configure script, hardcoded for GXemul. This script
33  #  figures out which compiler flags will work, and creates Makefiles in  #  figures out which compiler flags will work, and creates Makefiles in
# Line 49  Line 49 
49  #    o)  which compiler flags to use  (overridden by setting CFLAGS)  #    o)  which compiler flags to use  (overridden by setting CFLAGS)
50  #    o)  X11 flags and libraries  (TODO: should be possible to override  #    o)  X11 flags and libraries  (TODO: should be possible to override
51  #        via command line options?)  #        via command line options?)
 #    o)  native code generation backend (i.e. detect host architecture)  
 #  
52  #  #
53  #  The general philosophy regarding command line switches is that anything  #  The general philosophy regarding command line switches is that anything
54  #  which can be incorporated into the program as a runtime command line option  #  which can be incorporated into the program as a runtime command line option
# Line 61  Line 59 
59  #  Figure out if this is a stable version (0.x.x).  #  Figure out if this is a stable version (0.x.x).
60  X=`basename \`pwd\`|cut -d \- -f 2-|cut -c1-2`  X=`basename \`pwd\`|cut -d \- -f 2-|cut -c1-2`
61  if [ z"$X" = z0. ]; then  if [ z"$X" = z0. ]; then
62          #  Stable:          #  Stable.
63          ENABLEALPHA=YES          :
         ENABLEARM=YES  
         ENABLEMIPS=YES  
         ENABLEPPC=YES  
         ENABLESH=YES  
64  else  else
65          #  Development:          #  Development.
66          UNSTABLE=YES          UNSTABLE=YES
         ENABLEALPHA=YES  
         ENABLEARM=YES  
         ENABLEAVR=YES  
         ENABLEM68K=YES  
         ENABLEMIPS=YES  
         ENABLEPPC=YES  
         ENABLERCA180X=YES  
         ENABLESH=YES  
         ENABLESPARC=YES  
         ENABLETRANSPUTER=YES  
 fi  
   
 if [ z"$UNSTABLE" = zYES ]; then  
         printf "###\n###  DEVELOPMENT (UNSTABLE)\n###\n\n"  
67  fi  fi
68    
69  if [ z"$*" != z ]; then  if [ z"$*" != z ]; then
# Line 91  if [ z"$*" != z ]; then Line 71  if [ z"$*" != z ]; then
71          for a in $*; do          for a in $*; do
72                  if [ z$a = z--disable-x ]; then                  if [ z$a = z--disable-x ]; then
73                          NOX11=YES                          NOX11=YES
74                    else if [ z$a = z--debug ]; then
75                            DEBUG=YES
76                  else if [ z$a = z--help ]; then                  else if [ z$a = z--help ]; then
77                          printf "usage: $0 [options]\n\n"                          printf "usage: $0 [options]\n\n"
78                          echo "  --disable-x         don't include X11 support,"\                          echo "  --disable-x         don't include X11 support,"\
79                              "even if the host supports it"                              "even if the host supports it"
80                            if [ z"$UNSTABLE" = zYES ]; then
81                                    echo "  --debug             configure" \
82                                            "for a debug build"
83                            fi
84                          echo                          echo
85                          exit                          exit
86                  else                  else
# Line 102  if [ z"$*" != z ]; then Line 88  if [ z"$*" != z ]; then
88                          echo "Run  $0 --help  to get a list of" \                          echo "Run  $0 --help  to get a list of" \
89                              "available options."                              "available options."
90                          exit                          exit
91                  fi; fi                  fi; fi; fi
92          done          done
93  fi  fi
94    
# Line 134  fi Line 120  fi
120    
121  if [ z"$UNSTABLE" = zYES ]; then  if [ z"$UNSTABLE" = zYES ]; then
122          printf "#define UNSTABLE_DEVEL\n" >> config.h          printf "#define UNSTABLE_DEVEL\n" >> config.h
123    else
124            CFLAGS="-DNDEBUG $CFLAGS"
125  fi  fi
126    
127    
# Line 141  ZZ=`echo compiled on \`uname\`/\`uname - Line 129  ZZ=`echo compiled on \`uname\`/\`uname -
129  printf "#define COMPILE_DATE \"$ZZ\"\n" >> config.h  printf "#define COMPILE_DATE \"$ZZ\"\n" >> config.h
130    
131    
132    #  Include support for all CPU types:
133    printf "#define ADD_ALL_CPU_FAMILIES    " >> config.h
134    
135  #  Support for various CPU types:  #  Alpha
136  if [ z$ENABLEALPHA = zYES ]; then  printf " add_cpu_family(alpha_cpu_family_init, ARCH_ALPHA);" >> config.h
137          printf "#define ENABLE_ALPHA\n" >> config.h  CPU_ARCHS="$CPU_ARCHS cpu_alpha.o cpu_alpha_palcode.o memory_alpha.o"
138          CPU_ARCHS="$CPU_ARCHS cpu_alpha.o cpu_alpha_palcode.o memory_alpha.o"  CPU_TOOLS="$CPU_TOOLS generate_alpha_misc"
139          CPU_TOOLS="$CPU_TOOLS generate_alpha_misc"  
140  fi  #  ARM
141  if [ z$ENABLEARM = zYES ]; then  printf " add_cpu_family(arm_cpu_family_init, ARCH_ARM);" >> config.h
142          printf "#define ENABLE_ARM\n" >> config.h  CPU_ARCHS="$CPU_ARCHS cpu_arm.o cpu_arm_coproc.o memory_arm.o "
143          CPU_ARCHS="$CPU_ARCHS cpu_arm.o cpu_arm_coproc.o memory_arm.o "  CPU_ARCHS="$CPU_ARCHS tmp_arm_loadstore.o"
144          CPU_ARCHS="$CPU_ARCHS tmp_arm_dpi.o tmp_arm_loadstore.o tmp_arm_r.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_loadstore_p0_u0_w0.o"
145          CPU_ARCHS="$CPU_ARCHS tmp_arm_r0.o tmp_arm_r1.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_loadstore_p0_u0_w1.o"
146          CPU_ARCHS="$CPU_ARCHS tmp_arm_r2.o tmp_arm_r3.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_loadstore_p0_u1_w0.o"
147          CPU_ARCHS="$CPU_ARCHS tmp_arm_r4.o tmp_arm_r5.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_loadstore_p0_u1_w1.o"
148          CPU_ARCHS="$CPU_ARCHS tmp_arm_r6.o tmp_arm_r7.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_loadstore_p1_u0_w0.o"
149          CPU_ARCHS="$CPU_ARCHS tmp_arm_r8.o tmp_arm_r9.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_loadstore_p1_u0_w1.o"
150          CPU_ARCHS="$CPU_ARCHS tmp_arm_ra.o tmp_arm_rb.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_loadstore_p1_u1_w0.o"
151          CPU_ARCHS="$CPU_ARCHS tmp_arm_rc.o tmp_arm_rd.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_loadstore_p1_u1_w1.o"
152          CPU_ARCHS="$CPU_ARCHS tmp_arm_re.o tmp_arm_rf.o tmp_arm_multi.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_dpi.o tmp_arm_r.o"
153          CPU_TOOLS="$CPU_TOOLS generate_arm_dpi generate_arm_r"  CPU_ARCHS="$CPU_ARCHS tmp_arm_r0.o tmp_arm_r1.o"
154          CPU_TOOLS="$CPU_TOOLS generate_arm_loadstore generate_arm_multi"  CPU_ARCHS="$CPU_ARCHS tmp_arm_r2.o tmp_arm_r3.o"
155  fi  CPU_ARCHS="$CPU_ARCHS tmp_arm_r4.o tmp_arm_r5.o"
156  if [ z$ENABLEAVR = zYES ]; then  CPU_ARCHS="$CPU_ARCHS tmp_arm_r6.o tmp_arm_r7.o"
157          printf "#define ENABLE_AVR\n" >> config.h  CPU_ARCHS="$CPU_ARCHS tmp_arm_r8.o tmp_arm_r9.o"
158          CPU_ARCHS="$CPU_ARCHS cpu_avr.o"  CPU_ARCHS="$CPU_ARCHS tmp_arm_ra.o tmp_arm_rb.o"
159  fi  CPU_ARCHS="$CPU_ARCHS tmp_arm_rc.o tmp_arm_rd.o"
160  if [ z$ENABLEM68K = zYES ]; then  CPU_ARCHS="$CPU_ARCHS tmp_arm_re.o tmp_arm_rf.o tmp_arm_multi.o"
161          printf "#define ENABLE_M68K\n" >> config.h  CPU_TOOLS="$CPU_TOOLS generate_arm_dpi generate_arm_r"
162          CPU_ARCHS="$CPU_ARCHS cpu_m68k.o"  CPU_TOOLS="$CPU_TOOLS generate_arm_loadstore generate_arm_multi"
163  fi  
164  if [ z$ENABLEMIPS = zYES ]; then  #  M88K
165          printf "#define ENABLE_MIPS\n" >> config.h  printf " add_cpu_family(m88k_cpu_family_init, ARCH_M88K);" >> config.h
166          CPU_ARCHS="$CPU_ARCHS cpu_mips.o cpu_mips_coproc.o "  CPU_ARCHS="$CPU_ARCHS cpu_m88k.o memory_m88k.o"
167          CPU_ARCHS="$CPU_ARCHS cpu_mips_instr_unaligned.o"  CPU_TOOLS="$CPU_TOOLS generate_m88k_bcnd"
168          CPU_TOOLS="$CPU_TOOLS generate_mips_loadstore"  CPU_TOOLS="$CPU_TOOLS generate_m88k_loadstore"
169          CPU_TOOLS="$CPU_TOOLS generate_mips_loadstore_multi"  
170  fi  #  MIPS
171  if [ z$ENABLEPPC = zYES ]; then  printf " add_cpu_family(mips_cpu_family_init, ARCH_MIPS);" >> config.h
172          printf "#define ENABLE_PPC\n" >> config.h  CPU_ARCHS="$CPU_ARCHS cpu_mips.o cpu_mips_coproc.o "
173          CPU_ARCHS="$CPU_ARCHS cpu_ppc.o"  CPU_ARCHS="$CPU_ARCHS cpu_mips_instr_unaligned.o"
174          CPU_TOOLS="$CPU_TOOLS generate_ppc_loadstore"  CPU_TOOLS="$CPU_TOOLS generate_mips_loadstore"
175  fi  CPU_TOOLS="$CPU_TOOLS generate_mips_loadstore_multi"
176  if [ z$ENABLERCA180X = zYES ]; then  
177          printf "#define ENABLE_RCA180X\n" >> config.h  #  POWER/PowerPC
178          CPU_ARCHS="$CPU_ARCHS cpu_rca180x.o"  printf " add_cpu_family(ppc_cpu_family_init, ARCH_PPC);" >> config.h
179  fi  CPU_ARCHS="$CPU_ARCHS cpu_ppc.o"
180  if [ z$ENABLESH = zYES ]; then  CPU_TOOLS="$CPU_TOOLS generate_ppc_loadstore"
181          printf "#define ENABLE_SH\n" >> config.h  
182          CPU_ARCHS="$CPU_ARCHS cpu_sh.o memory_sh.o"  #  SuperH
183  fi  printf " add_cpu_family(sh_cpu_family_init, ARCH_SH);" >> config.h
184  if [ z$ENABLESPARC = zYES ]; then  CPU_ARCHS="$CPU_ARCHS cpu_sh.o memory_sh.o"
185          printf "#define ENABLE_SPARC\n" >> config.h  
186          CPU_ARCHS="$CPU_ARCHS cpu_sparc.o memory_sparc.o"  #  SPARC
187          CPU_TOOLS="$CPU_TOOLS generate_sparc_loadstore"  printf " add_cpu_family(sparc_cpu_family_init, ARCH_SPARC);" >> config.h
188  fi  CPU_ARCHS="$CPU_ARCHS cpu_sparc.o memory_sparc.o"
189  if [ z$ENABLETRANSPUTER = zYES ]; then  CPU_TOOLS="$CPU_TOOLS generate_sparc_loadstore"
190          printf "#define ENABLE_TRANSPUTER\n" >> config.h  
191          CPU_ARCHS="$CPU_ARCHS cpu_transputer.o"  printf "\n" >> config.h
 fi  
192    
193    
194  ###############################################################################  ###############################################################################
# Line 246  printf "# Line 235  printf "#
235  #\n\n" >> _Makefile.header  #\n\n" >> _Makefile.header
236    
237    
238  echo 'int main(int argc, char *argv[]) { return 0; }' > _testprog.c  #  Try with the simplest possible test program. Actually, test static variables
239    #  as well, because GXemul uses things like NULL-initialized global pointers,
240    #  and it is important that they work. (GCC on Solaris is known to be completely
241    #  broken, for instance.)
242    
243    echo '#include <stdio.h>
244    
245    int main(int argc, char *argv[])
246    {
247            static int x = 0;
248            static int y = 1;
249            printf("%i,%i", x, y);
250            return 0;
251    }
252    ' > _testprog.c
253    
254    
255  #  Try to detect which C compiler to use, if CC is not set:  #  Try to detect which C compiler to use, if CC is not set:
256  printf "checking which C compiler to use... "  printf "checking which C compiler to use... "
257    rm -f _testprog
258  if [ z"$CC" = z ]; then  if [ z"$CC" = z ]; then
         CC=cc  
   
259          #  Try gcc first:          #  Try gcc first:
260          printf "#!/bin/sh\ngcc _testprog.c -o _testprog >" > _test.sh          printf "#!/bin/sh\ngcc $CFLAGS _testprog.c -o _testprog >" > _test.sh
261          printf " /dev/null 2> /dev/null\n" >> _test.sh          printf " /dev/null 2> /dev/null\n" >> _test.sh
262          chmod 755 _test.sh          chmod 755 _test.sh
263          ./_test.sh > /dev/null 2> /dev/null          ./_test.sh > /dev/null 2> /dev/null
264          if [ -x _testprog ]; then          if [ -x _testprog ]; then
265                  CC=gcc                  if [ z`./_testprog` = z0,1 ]; then
266                            CC=gcc
267                    else
268                            printf "broken gcc detected\n"
269                            printf "The test program:\n\n"
270                            cat _testprog.c
271                            printf "\nshould have resulted in 0,1, but the"
272                            printf " result was: "
273                            ./_testprog
274                            printf "\n\nchecking for other C compilers... "
275                    fi
276          fi          fi
277          rm -f _testprog          rm -f _testprog
278    
279          #  If both gcc and cc exist, then cc might be a vendor specific          #  If both gcc and cc exist, then cc might be a vendor specific
280          #  compiler which produces faster code than gcc (eg on Solaris):          #  compiler which produces faster code than gcc (eg on Solaris):
281          printf "#!/bin/sh\ncc _testprog.c -o _testprog >" > _test.sh          printf "#!/bin/sh\ncc $CFLAGS _testprog.c -o _testprog >" > _test.sh
282          printf " /dev/null 2> /dev/null\n" >> _test.sh          printf " /dev/null 2> /dev/null\n" >> _test.sh
283          chmod 755 _test.sh          chmod 755 _test.sh
284          ./_test.sh > /dev/null 2> /dev/null          ./_test.sh > /dev/null 2> /dev/null
285          if [ -x _testprog ]; then          if [ -x _testprog ]; then
286                  CC=cc                  if [ z`./_testprog` = z0,1 ]; then
287                            CC=cc
288                    else
289                            printf "broken cc detected\n"
290                            printf "checking for other C compilers... "
291                    fi
292          fi          fi
293          rm -f _testprog          rm -f _testprog
294    
295    #  Actually, don't try ccc on Alpha. ccc generates broken code :(
296    
297  #       #  Try ccc (FreeBSD/Alpha):  #       #  Try ccc (FreeBSD/Alpha):
298  #       printf "#!/bin/sh\nccc _testprog.c -o _testprog >" > _test.sh  #       printf "#!/bin/sh\nccc $CFLAGS _testprog.c -o _testprog >" > _test.sh
299  #       printf " /dev/null 2> /dev/null\n" >> _test.sh  #       printf " /dev/null 2> /dev/null\n" >> _test.sh
300  #       chmod 755 _test.sh  #       chmod 755 _test.sh
301  #       ./_test.sh > /dev/null 2> /dev/null  #       ./_test.sh > /dev/null 2> /dev/null
# Line 291  fi Line 309  fi
309    
310    
311  rm -f _testprog  rm -f _testprog
312    
313    if [ z$CC = z ]; then
314            printf "no working compiler detected\n"
315            printf "\nPlease set the CC environment variable to a working C "
316            printf "compiler before running\nthe configure script, and make"
317            printf " sure that the CFLAGS environment variable is\nalso valid"
318            printf " for that compiler.\n"
319            exit
320    fi
321    
322  printf "$CC $CFLAGS"  printf "$CC $CFLAGS"
323    
324    
# Line 570  fi Line 598  fi
598  rm -f _testprog  rm -f _testprog
599    
600    
601    #  -Wstrict-aliasing
602    if [ ! z"$DEBUG" = zYES ]; then
603            printf "checking whether -Wstrict-aliasing can be used... "
604            $CC $CFLAGS -Wstrict-aliasing _testprog.c -o \
605                _testprog 1> _testprog.stdout 2>&1
606            cat _testprog.stdout >> _testprog.error
607            if grep frame _testprog.error > /dev/null 2>&1; then
608                    printf "no\n"
609            else
610                    if [ -x _testprog ]; then
611                            CWARNINGS="-Wstrict-aliasing $CWARNINGS"
612                            printf "yes\n"
613                    else
614                            printf "no\n"
615                    fi
616            fi
617            rm -f _testprog _testprog.error _testprog.stdout
618    fi
619    
620    
621  if [ z"$COMPAQCC" = zYES ]; then  if [ z"$COMPAQCC" = zYES ]; then
622          #  -O4 is possible, but sometimes -O3 is better?          #  -O4 is possible, but sometimes -O3 is better?
623          CFLAGS="-O4 $CFLAGS"          if [ ! z"$DEBUG" = zYES ]; then
624                    CFLAGS="-O4 $CFLAGS"
625            fi
626  else  else
627          if [ z"`uname`" = zSunOS ]; then          if [ z"`uname`" = zSunOS ]; then
628                  #  "cc", the system's default compiler:                  #  "cc", the system's default compiler:
629                  if [ z"$SUNCC" = zYES ]; then                  if [ ! z"$DEBUG" = zYES ]; then
630                          CFLAGS="-xO5 -xdepend $CFLAGS"                          if [ z"$SUNCC" = zYES ]; then
631                                    CFLAGS="-xO5 -xdepend $CFLAGS"
632                            fi
633                  fi                  fi
634                  printf "#define SOLARIS\n" >> config.h                  printf "#define SOLARIS\n" >> config.h
635                  OTHERLIBS="-lsocket $OTHERLIBS"                  OTHERLIBS="-lsocket $OTHERLIBS"
636          else          else
637                  #  gcc or something else:                  #  gcc or something else:
638                  $CC $CFLAGS _testprog.c -o _testprog -O 2> /dev/null                  if [ ! z"$DEBUG" = zYES ]; then
639                  if [ -x _testprog ]; then                          $CC $CFLAGS _testprog.c -o _testprog -O 2> /dev/null
                         rm -f _testprog  
                         $CC $CFLAGS _testprog.c -o _testprog -O3 2> /dev/null  
640                          if [ -x _testprog ]; then                          if [ -x _testprog ]; then
641                                  CFLAGS="-O3 $CFLAGS"                                  rm -f _testprog
642                          else                                  $CC $CFLAGS _testprog.c -o _testprog    \
643                                  CFLAGS="-O $CFLAGS"                                          -O3 2> /dev/null
644                                    if [ -x _testprog ]; then
645                                            CFLAGS="-O3 $CFLAGS"
646                                    else
647                                            CFLAGS="-O $CFLAGS"
648                                    fi
649                          fi                          fi
650                  fi                  fi
651          fi          fi
# Line 600  rm -f _testprog Line 655  rm -f _testprog
655    
656  #  -fschedule-insns causes bugs on i386 with gcc,  #  -fschedule-insns causes bugs on i386 with gcc,
657  #  but works OK on my alpha with ccc (compaq's cc).  #  but works OK on my alpha with ccc (compaq's cc).
658  if [ z"$COMPAQCC" = zYES ]; then  if [ ! z"$DEBUG" = zYES ]; then
659        if [ z"$COMPAQCC" = zYES ]; then
660          printf "checking whether -fschedule-insns2 can be used... "          printf "checking whether -fschedule-insns2 can be used... "
661          $CC $CFLAGS _testprog.c -o _testprog -fschedule-insns2 2> /dev/null          $CC $CFLAGS _testprog.c -o _testprog -fschedule-insns2 2> /dev/null
662          if [ -x _testprog ]; then          if [ -x _testprog ]; then
# Line 621  if [ z"$COMPAQCC" = zYES ]; then Line 677  if [ z"$COMPAQCC" = zYES ]; then
677          fi          fi
678          rm -f _testprog          rm -f _testprog
679    
680  #       #  -intrinsics          #  -intrinsics
681  #       $CC $CFLAGS _testprog.c -o _testprog -intrinsics 2> /dev/null          printf "checking whether -intrinsics can be used... "
682  #       if [ -x _testprog ]; then          $CC $CFLAGS _testprog.c -o _testprog -intrinsics 2> /dev/null
683  #               CFLAGS="-intrinsics $CFLAGS"          if [ -x _testprog ]; then
684  #       fi                  CFLAGS="-intrinsics $CFLAGS"
685  #       rm -f _testprog                  printf "yes\n"
686            else
687                    printf "no\n"
688            fi
689            rm -f _testprog
690    
691          #  -fast          #  -fast
692          printf "checking whether -fast can be used... "          printf "checking whether -fast can be used... "
# Line 638  if [ z"$COMPAQCC" = zYES ]; then Line 698  if [ z"$COMPAQCC" = zYES ]; then
698                  printf "no\n"                  printf "no\n"
699          fi          fi
700          rm -f _testprog          rm -f _testprog
701  fi  fi; fi
702    
703    
704  #  -fpeephole  #  -fpeephole
705  printf "checking whether -fpeephole can be used... "  if [ ! z"$DEBUG" = zYES ]; then
706  $CC $CFLAGS -fpeephole _testprog.c -o _testprog > _testprog.stdout 2>&1          printf "checking whether -fpeephole can be used... "
707  cat _testprog.stdout >> _testprog.error          $CC $CFLAGS -fpeephole _testprog.c -o _testprog > _testprog.stdout 2>&1
708  if grep peephole _testprog.error > /dev/null 2>&1; then          cat _testprog.stdout >> _testprog.error
709          printf "no\n"          if grep peephole _testprog.error > /dev/null 2>&1; then
 else  
         if [ -x _testprog ]; then  
                 CFLAGS="-fpeephole $CFLAGS"  
                 printf "yes\n"  
         else  
710                  printf "no\n"                  printf "no\n"
711            else
712                    if [ -x _testprog ]; then
713                            CFLAGS="-fpeephole $CFLAGS"
714                            printf "yes\n"
715                    else
716                            printf "no\n"
717                    fi
718          fi          fi
719            rm -f _testprog _testprog.error _testprog.stdout
720  fi  fi
 rm -f _testprog _testprog.error _testprog.stdout  
721    
722    
723  #  -fomit-frame-pointer  #  -fomit-frame-pointer
724  printf "checking whether -fomit-frame-pointer can be used... "  if [ ! z"$DEBUG" = zYES ]; then
725  $CC $CFLAGS -fomit-frame-pointer _testprog.c -o \          printf "checking whether -fomit-frame-pointer can be used... "
726      _testprog 1> _testprog.stdout 2>&1          $CC $CFLAGS -fomit-frame-pointer _testprog.c -o \
727  cat _testprog.stdout >> _testprog.error              _testprog 1> _testprog.stdout 2>&1
728  if grep frame _testprog.error > /dev/null 2>&1; then          cat _testprog.stdout >> _testprog.error
729          printf "no\n"          if grep frame _testprog.error > /dev/null 2>&1; then
730  else                  printf "no\n"
         if [ -x _testprog ]; then  
                 CFLAGS="-fomit-frame-pointer $CFLAGS"  
                 printf "yes\n"  
731          else          else
732                    if [ -x _testprog ]; then
733                            CFLAGS="-fomit-frame-pointer $CFLAGS"
734                            printf "yes\n"
735                    else
736                            printf "no\n"
737                    fi
738            fi
739            rm -f _testprog _testprog.error _testprog.stdout
740    fi
741    
742    
743    #  -fstrict-aliasing
744    if [ ! z"$DEBUG" = zYES ]; then
745            printf "checking whether -fstrict-aliasing can be used... "
746            $CC $CFLAGS -fstrict-aliasing _testprog.c -o \
747                _testprog 1> _testprog.stdout 2>&1
748            cat _testprog.stdout >> _testprog.error
749            if grep frame _testprog.error > /dev/null 2>&1; then
750                  printf "no\n"                  printf "no\n"
751            else
752                    if [ -x _testprog ]; then
753                            CFLAGS="-fstrict-aliasing $CFLAGS"
754                            printf "yes\n"
755                    else
756                            printf "no\n"
757                    fi
758          fi          fi
759            rm -f _testprog _testprog.error _testprog.stdout
760  fi  fi
 rm -f _testprog _testprog.error _testprog.stdout  
761    
762    
763  #  -g, for development builds  #  -g, for development builds
764  if [ z"$UNSTABLE" = zYES ]; then  if [ z"$UNSTABLE" = zYES ]; then
765          printf "checking whether -g can be used... "          printf "checking whether -g can be used... "
766          if [ z"$COMPAQCC" = zYES ]; then          if [ z"$COMPAQCC" = zYES ]; then
767                  printf "skipping\n"                  $CC $CFLAGS -g3 _testprog.c -o _testprog > _testprog.stdout 2>&1
768                    cat _testprog.stdout >> _testprog.error
769                    if [ -x _testprog ]; then
770                            CFLAGS="-g3 $CFLAGS"
771                            printf "yes (-g3)\n"
772                    else
773                            printf "no\n"
774                    fi
775          else          else
776                  $CC $CFLAGS -g _testprog.c -o _testprog > _testprog.stdout 2>&1                  $CC $CFLAGS -g _testprog.c -o _testprog > _testprog.stdout 2>&1
777                  cat _testprog.stdout >> _testprog.error                  cat _testprog.stdout >> _testprog.error
# Line 688  if [ z"$UNSTABLE" = zYES ]; then Line 779  if [ z"$UNSTABLE" = zYES ]; then
779                          CFLAGS="-g $CFLAGS"                          CFLAGS="-g $CFLAGS"
780                          printf "yes\n"                          printf "yes\n"
781                  else                  else
782                  printf "no\n"                          printf "no\n"
783                          fi                  fi
784          fi          fi
785          rm -f _testprog _testprog.error _testprog.stdout          rm -f _testprog _testprog.error _testprog.stdout
786  fi  fi
# Line 748  rm -f _testr.[co] _testr Line 839  rm -f _testr.[co] _testr
839  #  -lm?  #  -lm?
840  printf "checking for math libs..."  printf "checking for math libs..."
841  printf "#include <math.h>\nint main(int argc, char *argv[]) { " > _testr.c  printf "#include <math.h>\nint main(int argc, char *argv[]) { " > _testr.c
842  printf "double x = sqrt((double)argc); return (int)x; }\n" >> _testr.c  printf "double x = sqrt(sin((double)argc)); return (int)x; }\n" >> _testr.c
843  $CC $CFLAGS _testr.c -o _testr 2> /dev/null  $CC $CFLAGS _testr.c -o _testr 2> /dev/null
844  if [ ! -x _testr ]; then  if [ ! -x _testr ]; then
845          $CC $CFLAGS _testr.c -lm -o _testr 2> /dev/null          $CC $CFLAGS _testr.c -lm -o _testr 2> /dev/null
# Line 927  else Line 1018  else
1018                          printf "#include <stdio.h>\n#include <inttypes.h>\nint main(int argc, char *argv[]){                          printf "#include <stdio.h>\n#include <inttypes.h>\nint main(int argc, char *argv[]){
1019                              printf(\"%%lx\\\n\", (int64_t)128);return 0;}\n" > _testpri.c                              printf(\"%%lx\\\n\", (int64_t)128);return 0;}\n" > _testpri.c
1020                          rm -f _testpri                          rm -f _testpri
1021                          $CC $CFLAGS $CWARNINGS _testpri.c -o _testpri 2> /dev/null                          $CC $CFLAGS $CWARNINGS _testpri.c -o _testpri 2> _testpri.result
1022                          if [ z`./_testpri` = z80 ]; then                          if [ z`./_testpri` = z80 ]; then
1023                                  printf "PRIx64=lx\n"                                  printf "PRIx64=lx\n"
1024                          else                          else
# Line 937  else Line 1028  else
1028                  fi                  fi
1029          fi          fi
1030  fi  fi
1031  rm -f _testpri.c _testpri  rm -f _testpri.c _testpri _testpri.result
1032    
1033    
1034  #  Check for 64-bit off_t:  #  Check for 64-bit off_t:
# Line 1027  if [ ! -x _testuint ]; then Line 1118  if [ ! -x _testuint ]; then
1118  else  else
1119          printf "yes\n"          printf "yes\n"
1120  fi  fi
1121  rm -f _testuint.c _testuint  rm -f _testuint*
1122    
1123    printf "checking for __FUNCTION__... "
1124    printf "#include <stdio.h>\n\nint main(int argc, char *argv[]) {
1125      if (__FUNCTION__) printf(__FUNCTION__);\n  return 0;\n}\n" > _testfunction.c
1126    $CC $CFLAGS _testfunction.c -o _testfunction 2> /dev/null
1127    if [ ! -x _testfunction ]; then
1128            printf "no\n"
1129    else
1130            if [ z`./_testfunction` = zmain ]; then
1131                    printf "yes\n"
1132                    printf "#define HAVE___FUNCTION__\n" >> config.h
1133            else
1134                    printf "no\n"
1135            fi
1136    fi
1137    rm -f _testfunction*
1138    
1139    
1140  ###############################################################################  ###############################################################################
# Line 1057  rm -f _test_end* Line 1164  rm -f _test_end*
1164    
1165    
1166  ###############################################################################  ###############################################################################
 #  
 #  Native code generation backend:  (Detect host architecture.)  
 #  
 ###############################################################################  
   
 if [ z$UNSTABLE = zYES ]; then  
         printf "native code generation backend... "  
   
         if [ z"`uname -m`" = zamd64 ]; then  
                 NATIVE_CODE_GENERATION=YES  
                 printf "amd64\n"  
                 printf "#define NATIVE_CODE_GENERATION\n" >> config.h  
                 printf "#define HOST_ARCH_AMD64\n" >> config.h  
         fi  
   
         if [ z"`uname -m`" = zx86_64 ]; then  
                 NATIVE_CODE_GENERATION=YES  
                 printf "amd64\n"  
                 printf "#define NATIVE_CODE_GENERATION\n" >> config.h  
                 printf "#define HOST_ARCH_AMD64\n" >> config.h  
         fi  
   
         if [ z$NATIVE_CODE_GENERATION = z ]; then  
                 printf "not yet for this host platform\n"  
         fi  
 fi  
   
   
 ###############################################################################  
1167    
1168  INCLUDE=-Iinclude/  INCLUDE=-Iinclude/
1169  DINCLUDE=-I../include/  DINCLUDE=-I../include/
# Line 1107  echo "" >> _Makefile.header Line 1185  echo "" >> _Makefile.header
1185    
1186  #  Create the Makefiles:  #  Create the Makefiles:
1187  D=". src src/include src/cpus src/debugger src/devices src/devices/fonts"  D=". src src/include src/cpus src/debugger src/devices src/devices/fonts"
1188  D="$D src/disk src/machines src/native src/net src/promemul"  D="$D src/disk src/file src/machines src/native src/net src/promemul"
1189    D="$D src/useremul"
1190  for a in $D; do  for a in $D; do
1191          echo "creating $a/Makefile"          echo "creating $a/Makefile"
1192          touch $a/Makefile          touch $a/Makefile
# Line 1122  printf "\n#endif  /*  CONFIG_H  */\n" >> Line 1201  printf "\n#endif  /*  CONFIG_H  */\n" >>
1201  rm -f _Makefile.header  rm -f _Makefile.header
1202    
1203  echo Configured. You may now run make to build gxemul.  echo Configured. You may now run make to build gxemul.
1204    
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