unikernel/duniverse/Zarith/configure

@@ -0,0 +1,388 @@
+#! /bin/sh
+
+# configuration script
+
+# This file is part of the Zarith library 
+# http://forge.ocamlcore.org/projects/zarith .
+# It is distributed under LGPL 2 licensing, with static linking exception.
+# See the LICENSE file included in the distribution.
+#   
+# Copyright (c) 2010-2011 Antoine Miné, Abstraction project.
+# Abstraction is part of the LIENS (Laboratoire d'Informatique de l'ENS),
+# a joint laboratory by:
+# CNRS (Centre national de la recherche scientifique, France),
+# ENS (École normale supérieure, Paris, France),
+# INRIA Rocquencourt (Institut national de recherche en informatique, France).
+
+
+# options
+installdir='auto'
+ocamllibdir='auto'
+gmp='auto'
+perf='no'
+
+ocaml='ocaml'
+ocamlc='ocamlc'
+ocamlopt='ocamlopt'
+ocamlmklib='ocamlmklib'
+ocamldep='ocamldep'
+ocamldoc='ocamldoc'
+ccinc="$CPPFLAGS"
+ldflags="$LDFLAGS"
+cclib=''
+ccdef=''
+mlflags="$OCAMLFLAGS"
+mloptflags="$OCAMLOPTFLAGS"
+mlinc="$OCAMLINC"
+objsuffix="o"
+ocamlfind="auto"
+
+# sanitize
+LC_ALL=C
+export LC_ALL
+unset IFS
+
+
+# help
+help()
+{
+    cat <<EOF
+usage: configure [options]
+
+where options include:
+  -installdir dir      installation directory
+  -ocamllibdir dir     ocaml library directory
+  -gmp                 use GMP library (default if found)
+  -mpir                use MPIR library instead of GMP
+  -perf                enable performance statistics
+  -prefixnonocaml      add for non ocaml tool, e.g. -prefixnonocaml x86_64-w64-mingw32-
+
+Environment variables that affect configuration:
+  CFLAGS               extra flags to pass to the C compiler
+  CPPFLAGS             extra includes, e.g. -I/path/to/gmp/include
+  LDFLAGS              extra link flags, e.g. -L/path/to/gmp/lib
+  OCAMLFLAGS           extra flags to pass to the ocamlc Caml compiler
+  OCAMLOPTFLAGS        extra flags to pass to the ocamlopt Caml compiler
+  OCAMLINC             extra includes to pass to the Caml compilers
+EOF
+    exit
+}
+
+# parse arguments
+while : ; do
+    case "$1" in
+        "") 
+            break;;
+        -installdir|--installdir)
+            installdir="$2"
+            shift;;
+        -ocamllibdir|--ocamllibdir)
+            ocamllibdir="$2"
+            shift;;
+        -no-ocamlfind|--no-ocamlfind)
+            ocamlfind="no"
+            shift;;
+        -help|--help)
+            help;;
+        -gmp|--gmp)
+            gmp='gmp';;
+        -mpir|--mpir)
+            gmp='mpir';;
+        -perf|--perf)
+            perf='yes';;
+        -prefixnonocaml|--prefixnonocaml)
+            prefixnonocaml="$2"
+            shift;;
+        *)
+            echo "unknown option $1, try -help"
+            exit 2;;
+    esac
+    shift
+done
+
+if test "$perf" = "yes"; then ccdef="-DZ_PERF_COUNTER $ccdef"; fi
+
+echo_n()
+{
+    echo "$1" | tr -d '\012'
+}
+
+# checking binaries in $PATH
+
+searchbin()
+{
+    if test "x$1" = "x"; then return 0; fi
+    echo_n "binary $1: "
+    case "$1" in
+      /*|./*|../*)
+        if test -f "$1" && test -x "$1"
+        then echo "found"; return 1
+        else echo "not found"; return 0
+        fi;;
+    esac
+    IFS=':'
+    for i in $PATH
+    do
+        if test -z "$i"; then i='.'; fi
+        if test -f $i/$1 && test -x $i/$1; then echo "found in $i"; unset IFS; return 1; fi
+    done
+    echo "not found"
+    unset IFS
+    return 0
+}
+
+searchbinreq()
+{
+    searchbin $1
+    if test $? -eq 0; then echo "required program $1 not found"; exit 2; fi
+}
+
+
+# checking includes and libraries
+
+checkinc()
+{
+    echo_n "include $1: "
+    rm -f tmp.c tmp.o
+    echo "#include <$1>" > tmp.c
+    echo "int main() { return 1; }" >> tmp.c
+    r=1
+    $CC $ccopt $ccinc -c tmp.c -o tmp.o >/dev/null 2>/dev/null || r=0
+    if test ! -f tmp.o; then r=0; fi
+    rm -f tmp.c tmp.o
+    if test $r -eq 0; then echo "not found"; else echo "found"; fi
+    return $r
+}
+
+checklib()
+{
+    echo_n "library $1: "
+    rm -f tmp.c tmp.out
+    echo "int main() { return 1; }" > tmp.c
+    r=1
+    $CC $ccopt $ldflags $cclib tmp.c -l$1 -o tmp.out >/dev/null 2>/dev/null || r=0
+    if test ! -x tmp.out; then r=0; fi
+    rm -f tmp.c tmp.o tmp.out
+    if test $r -eq 0; then echo "not found"; else echo "found"; fi
+    return $r
+}
+
+checkcc()
+{
+    echo_n "checking compilation with $cc $ccopt: "
+    rm -f tmp.c tmp.out
+    echo "int main() { return 1; }" >> tmp.c
+    r=1
+    $CC $ccopt tmp.c -o tmp.out >/dev/null 2>/dev/null || r=0
+    if test ! -x tmp.out; then r=0; fi
+    rm -f tmp.c tmp.o tmp.out
+    if test $r -eq 0; then echo "not working"; else echo "working"; fi
+    return $r
+}
+
+checkcmxalib()
+{
+    echo_n "library $1: "
+    $ocamlopt $mloptflags $1 -o tmp.out >/dev/null 2>/dev/null || r=0
+    if test ! -x tmp.out; then r=0; fi
+    rm -f tmp.out
+    if test $r -eq 0; then echo "not found"; else echo "found"; fi
+    return $r    
+}
+
+
+# check required programs
+
+searchbinreq $ocaml
+searchbinreq $ocamlc
+searchbinreq $ocamldep
+searchbinreq $ocamlmklib
+if searchbin $ocamldoc; then
+  ocamldoc=''
+fi
+
+if test -n "$CC"; then
+  searchbinreq "$CC"
+  ccopt="$CFLAGS"
+else
+  ccopt="-O3 -Wall -Wextra $CFLAGS"
+fi
+
+# optional native-code generation
+
+hasocamlopt='no'
+
+searchbin $ocamlopt
+if test $? -eq 1; then hasocamlopt='yes'; fi
+
+
+# check C compiler
+
+checkcc
+if test $? -eq 0; then
+    # try again with (almost) no options
+    ccopt='-O'
+    checkcc
+    if test $? -eq 0; then echo "cannot compile and link program"; exit 2; fi
+fi
+
+
+# directories
+
+if test "$ocamllibdir" = "auto"
+then ocamllibdir=`ocamlc -where | sed 's/\r$//'`
+fi
+
+if test ! -f "$ocamllibdir/caml/mlvalues.h"
+then echo "cannot find OCaml libraries in $ocamllibdir"; exit 2; fi
+ccinc="-I$ocamllibdir $ccinc"
+checkinc "caml/mlvalues.h"
+if test $? -eq 0; then echo "cannot include caml/mlvalues.h"; exit 2; fi
+
+
+# optional dynamic linking
+
+hasdynlink='no'
+
+if test $hasocamlopt = yes
+then
+    checkcmxalib dynlink.cmxa
+    if test $? -eq 1; then hasdynlink='yes'; fi
+fi
+
+
+# installation method
+
+searchbin ocamlfind
+if test $? -eq 1 && test $ocamlfind != "no"; then 
+    instmeth='findlib'
+    if test "$installdir" = "auto"
+    then installdir=`ocamlfind printconf destdir`; fi
+else
+    searchbin install
+    if test $? -eq 1; then instmeth='install'
+    else echo "no installation method found"; exit 2; fi
+    if test "$installdir" = "auto"; then installdir="$ocamllibdir"; fi
+fi
+
+
+# detect OCaml's word-size
+
+echo "print_int (Sys.word_size);;" > tmp.ml
+wordsize=`ocaml tmp.ml`
+echo "OCaml's word size is $wordsize"
+rm -f tmp.ml
+
+
+# check GMP, MPIR
+
+if test "$gmp" = 'gmp' || test "$gmp" = 'auto'; then
+    if pkg-config gmp 2>/dev/null; then
+        echo 'package gmp: found'
+        gmp='OK'
+        cclib="$cclib $(pkg-config --libs gmp)"
+        ccinc="$ccinc $(pkg-config --cflags gmp)"
+        ccdef="-DHAS_GMP $ccdef"
+    else
+        checkinc gmp.h
+        if test $? -eq 1; then
+            checklib gmp
+            if test $? -eq 1; then 
+                gmp='OK'
+                cclib="$cclib -lgmp"
+                ccdef="-DHAS_GMP $ccdef"
+            fi
+        fi
+    fi
+fi
+if test "$gmp" = 'mpir' || test "$gmp" = 'auto'; then
+    checkinc mpir.h
+    if test $? -eq 1; then
+        checklib mpir
+        if test $? -eq 1; then 
+            gmp='OK'
+            cclib="$cclib -lmpir"
+            ccdef="-DHAS_MPIR $ccdef"
+        fi
+    fi
+fi
+if test "$gmp" != 'OK'; then echo "cannot find GMP nor MPIR"; exit 2; fi
+
+
+# OCaml version
+
+ocamlver=`ocamlc -version`
+
+# OCaml version 4.04 or later is required
+
+case "$ocamlver" in
+    [123].* | 4.0[0123].*)
+        echo "OCaml version $ocamlver is no longer supported."
+        echo "OCaml version 4.04.0 or later is required."
+        exit 2
+        ;;
+esac
+
+# -bin-annot available since 4.00.0
+echo "OCaml supports -bin-annot to produce documentation"
+hasbinannot='yes'
+
+# Changes to C API (the custom_operation struct) since 4.08.0
+case "$ocamlver" in
+    [123].* | 4.0[01234567].* )
+        echo "Using OCaml legacy C API custom operations"
+        ccdef="-DZ_OCAML_LEGACY_CUSTOM_OPERATIONS $ccdef"
+    ;;
+    *)
+    ;;
+esac
+
+# dump Makefile
+
+cat > Makefile <<EOF
+# generated by ./configure
+
+OCAMLC=$ocamlc
+OCAMLOPT=$ocamlopt
+OCAMLDEP=$ocamldep
+OCAMLMKLIB=$ocamlmklib
+OCAMLDOC=$ocamldoc
+OCAMLFLAGS=$mlflags
+OCAMLOPTFLAGS=$mloptflags
+OCAMLINC=$mlinc
+CFLAGS=$ccinc $ccdef $ccopt
+LIBS=$cclib
+LDFLAGS=$ldflags
+INSTALLDIR=$installdir
+INSTALL=install
+OCAMLFIND=ocamlfind
+INSTMETH=$instmeth
+OBJSUFFIX=$objsuffix
+HASOCAMLOPT=$hasocamlopt
+HASDYNLINK=$hasdynlink
+HASBINANNOT=$hasbinannot
+
+include project.mak
+EOF
+
+
+# dump summary
+
+cat <<EOF
+
+detected configuration:
+
+  native-code:          $hasocamlopt
+  dynamic linking:      $hasdynlink
+  defines:              $ccdef
+  includes:             $ccinc
+  libraries:            $cclib
+  linker options:       $ldflags
+  C options:            $ccopt
+  installation path:    $installdir
+  installation method   $instmeth
+
+configuration successful!
+now type "make" to build
+then type "make install" or "sudo make install" to install
+EOF