util/mkelfImage/configure.ac

   1 dnl
   2 dnl configure.ac for mkelfImage
   3 dnl
   4 dnl
   5
   6 dnl ---Required
   7 AC_INIT(Makefile.conf.in)
   8 AC_CONFIG_AUX_DIR(./config)
   9
  10 dnl --Options
  11
  12
  13 dnl -- Compilation platform configuration
  14 AC_CANONICAL_HOST
  15 #AC_CANONICAL_TARGET
  16
  17
  18 dnl Compute target cpu
  19 case $host_cpu in
  20         i?86 )
  21                 target_cpu="i386"
  22                 ;;
  23         * )
  24                 target_cpu="$host_cpu"
  25                 ;;
  26 esac
  27
  28 dnl ---Options
  29 targets=""
  30
  31 AC_ARG_WITH([i386], AC_HELP_STRING([--with-i386],[enable building i386 code]),
  32         [ if test "withval" = "yes" ; then with_i386="i386"; else with_i386="$withval"; fi],
  33         [ with_i386="no"])
  34
  35 AC_ARG_WITH([ia64], AC_HELP_STRING([--with-ia64],[enable building ia64 code]),
  36         [ if test "withval" = "yes" ; then with_ia64="ia64"; else with_ia64="$withval"; fi],
  37         [ with_ia64="no"])
  38
  39 dnl If no targets are specified use a default
  40 with_default="no"
  41 if      test "$with_i386" = "no" &&
  42         test "$with_ia64" = "no" ; then
  43         with_default=`echo $target_cpu | tr [a-z] [A-Z]`
  44 fi
  45
  46 AC_MSG_NOTICE([with_default=$with_default])
  47 AC_MSG_NOTICE([with_i386=$with_i386])
  48 AC_MSG_NOTICE([with_ia64=$with_ia64])
  49
  50 dnl ---Programs
  51 dnl To specify a different compiler, just 'export CC=/path/to/compiler'
  52
  53 AC_PROG_CC
  54
  55
  56 AC_CHECK_PROG([MKDIR], mkdir, mkdir, [], [$PATH])
  57 AC_CHECK_PROG([RM],    rm,    rm,    [], [$PATH])
  58 AC_CHECK_PROG([CP],    cp,    cp,    [], [$PATH])
  59 AC_CHECK_PROG([LN],    ln,    ln,    [], [$PATH])
  60 AC_CHECK_PROG([TAR],   tar,   tar,   [], [$PATH])
  61 AC_CHECK_PROG([RPM],   rpm,   rpm,   [], [$PATH])
  62 AC_CHECK_PROG([SED],   sed,   sed,   [], [$PATH])
  63 AC_CHECK_PROG([FIND],  find,  find,  [], [$PATH])
  64
  65 AC_CHECK_HEADER(zlib.h, AC_CHECK_LIB(z, inflateInit_, [AC_DEFINE(HAVE_ZLIB_H, 1) LIBS="$LIBS -lz"]))
  66
  67 dnl Find the default programs
  68 if test "with_default" != no ; then
  69         if test "$CC" = no; then
  70                 AC_MSG_ERROR([cc not found])
  71         fi
  72         eval "${with_default}_CC='$CC'"
  73         AC_PROG_CPP
  74         if test "$CPP" = no; then
  75                 AC_MSG_ERROR([cpp not found])
  76         fi
  77         eval "${with_default}_CPP='$CPP'"
  78         AC_CHECK_TOOL([LD], ld, no)
  79         if test "$LD" = no; then
  80                 AC_MSG_ERROR([ld not found])
  81         fi
  82         eval "${with_default}_LD='$LD'"
  83         AC_CHECK_TOOL([AS], as, no)
  84         if test "$AS" = no; then
  85                 AC_MSG_ERROR([as not found])
  86         fi
  87         eval "${with_default}_AS='$AS'"
  88         AC_CHECK_TOOL([OBJCOPY], objcopy, no)
  89         if test "$OBJCOPY" = no; then
  90                 AC_MSG_ERROR([objcopy not found])
  91         fi
  92         eval "${with_default}_OBJCOPY='$OBJCOPY'"
  93         if test "$with_default" = "X86_64" ; then
  94                 with_i386=yes
  95         fi
  96 fi
  97
  98 dnl Find the programs for compiling i386 targets
  99 if test "$with_i386" != "no" ; then
 100         cc="gcc -m32"
 101         cpp=cpp
 102         ld=ld
 103         as="as -32"
 104         objcopy=objcopy
 105         if test "$with_i386" != "" -a "$with_i386" != "yes" ; then
 106                 cc="$with_i386-$cc"
 107                 cpp="$with_i386-$cpp"
 108                 ld="$with_i386-$ld"
 109                 as="$with_i386-$as"
 110                 objcopy="$with_i386-$objcopy"
 111         fi
 112         AC_CHECK_PROG([I386_CC], [$cc], [$cc], [""], [$PATH])
 113         if test "$I386_CC" = no; then
 114
 115                 AC_MSG_ERROR([$cc not found])
 116         fi
 117         AC_CHECK_PROG([I386_CPP], [$cpp], [$cpp], [""], [$PATH])
 118         if test "$I386_CPP" = no; then
 119                 AC_MSG_ERROR([$cpp not found])
 120         fi
 121         AC_CHECK_PROG([I386_LD], [$ld], [$ld], [""], [$PATH])
 122         if test "$I386_AS" = no; then
 123                 AC_MSG_ERROR([$ld not found])
 124         fi
 125         AC_CHECK_PROG([I386_AS], [$as], [$as], [""], [$PATH])
 126         if test "$I386_AS" = no; then
 127                 AC_MSG_ERROR([$as not found])
 128         fi
 129         AC_CHECK_PROG([I386_OBJCOPY], [$objcopy], [$objcopy],[""], [$PATH])
 130         if test "$I386_OBJCOPY" = no; then
 131                 AC_MSG_ERROR([$objcopy not found])
 132         fi
 133 fi
 134
 135 dnl Find the programs for compiling ia64 targets
 136 if test "$with_ia64" != "no" ; then
 137         cc=gcc
 138         cpp=cpp
 139         ld=ld
 140         as=as
 141         objcopy=objcopy
 142         if test "$with_ia64" != "" -a "$with_ia64" != "yes" ; then
 143                 cc="$with_ia64-$cc"
 144                 cpp="$with_ia64-$cpp"
 145                 ld="$with_ia64-$ld"
 146                 as="$with_ia64-$as"
 147                 objcopy="$with_ia64-$objcopy"
 148         fi
 149         AC_CHECK_PROG([IA64_CC], [$cc], [$cc], [""], [$PATH])
 150         if test "$IA64_CC" = no; then
 151
 152                 AC_MSG_ERROR([$cc not found])
 153         fi
 154         AC_CHECK_PROG([IA64_CPP], [$cpp], [$cpp], [""], [$PATH])
 155         if test "$IA64_CPP" = no; then
 156                 AC_MSG_ERROR([$cpp not found])
 157         fi
 158         AC_CHECK_PROG([IA64_LD], [$ld], [$ld], [""], [$PATH])
 159         if test "$IA64_AS" = no; then
 160                 AC_MSG_ERROR([$ld not found])
 161         fi
 162         AC_CHECK_PROG([IA64_AS], [$as], [$as], [""], [$PATH])
 163         if test "$IA64_AS" = no; then
 164                 AC_MSG_ERROR([$as not found])
 165         fi
 166         AC_CHECK_PROG([IA64_OBJCOPY], [$objcopy], [$objcopy],[""], [$PATH])
 167         if test "$IA64_OBJCOPY" = no; then
 168                 AC_MSG_ERROR([$objcopy not found])
 169         fi
 170 fi
 171
 172
 173 dnl ---Output variables...
 174
 175 HOST_CC=$CC
 176 HOST_CFLAGS="$HOST_CFLAGS -O2 -Wall \$(HOST_CPPFLAGS)"
 177
 178 dnl TODO: figure out how to set these appropriately for compilers other than gcc
 179 I386_CFLAGS="$I386_CFLAGS -Os -ffreestanding -Wall -W -Wno-format \$(I386_CPPFLAGS)"
 180 I386_ASFLAGS=''
 181 I386_LDFLAGS='-static --warn-multiple-gp --warn-common'
 182
 183 dnl TODO: figure out how to set these appropriately for compilers other than gcc
 184 IA64_CFLAGS="$IA64_CFLAGS -Os -ffreestanding -Wall -W -Wno-format -fpic -mconstant-gp -mauto-pic -fno-unwind-tables \$(IA64_CPPFLAGS)"
 185 IA64_ASFLAGS='-mconstant-gp -mauto-pic'
 186 IA64_LDFLAGS='-static --warn-multiple-gp --warn-common'
 187
 188 AC_SUBST([HOST_CC])
 189 AC_SUBST([HOST_CFLAGS])
 190
 191 AC_SUBST([I386_CC])
 192 AC_SUBST([I386_LD])
 193 AC_SUBST([I386_AS])
 194 AC_SUBST([I386_CPP])
 195 AC_SUBST([I386_OBJCOPY])
 196 AC_SUBST([I386_CFLAGS])
 197 AC_SUBST([I386_ASFLAGS])
 198 AC_SUBST([I386_LDFLAGS])
 199
 200 AC_SUBST([IA64_CC])
 201 AC_SUBST([IA64_LD])
 202 AC_SUBST([IA64_AS])
 203 AC_SUBST([IA64_CPP])
 204 AC_SUBST([IA64_OBJCOPY])
 205 AC_SUBST([IA64_CFLAGS])
 206 AC_SUBST([IA64_ASFLAGS])
 207 AC_SUBST([IA64_LDFLAGS])
 208
 209 dnl ---Output
 210 AC_OUTPUT([Makefile.conf])
 211
 212