New file.

Rev: src/nettle/acinclude.m4:1.1

acinclude.m4

+# checks for gmp version 3 or later. 
+# AC_CHECK_LIBGMP(library, [, if-found [, if-not-found]])
+AC_DEFUN([AC_CHECK_LIBGMP],
+[AC_CACHE_CHECK([for mpz_getlimbn in -l$1], ac_cv_lib_$1_mpz_getlimbn,
+[ac_save_libs="$LIBS"
+LIBS="-l$1 $LIBS"
+AC_TRY_LINK(dnl
+[#if HAVE_GMP_H
+#include <gmp.h>
+#elif HAVE_GMP2_GMP_H
+#include <gmp2/gmp.h>
+#endif
+],
+[mpz_getlimbn(NULL, 0);],
+ac_cv_lib_$1_mpz_getlimbn=yes,
+ac_cv_lib_$1_mpz_getlimbn=no)
+LIBS="$ac_save_LIBS"
+])
+if test x$ac_cv_lib_$1_mpz_getlimbn = xyes ; then
+ifelse([$2], ,
+[AC_DEFINE(HAVE_LIBGMP)
+LIBS="-l$1 $LIBS"
+], [$2])
+ifelse([$3], , ,
+[else
+$3
+])dnl
+fi
+])
+
+# checks for gmp version 2 or later. 
+# AC_SEARCH_LIBGMP(libraries, [, if-found [, if-not-found]])
+AC_DEFUN([AC_SEARCH_LIBGMP],
+[AC_CACHE_CHECK([for library containing mpz_getlimbn], ac_cv_search_mpz_getlimbn,
+[ac_search_save_LIBS="$LIBS"
+ac_cv_search_mpz_getlimbn="no"
+for i in $1; do
+LIBS="-l$i $ac_search_save_LIBS"
+AC_TRY_LINK(dnl
+[#if HAVE_GMP_H
+#include <gmp.h>
+#elif HAVE_GMP2_GMP_H
+#include <gmp2/gmp.h>
+#endif
+],
+[mpz_getlimbn(0);],
+[ac_cv_search_mpz_getlimbn=-l$i
+break
+])
+done
+LIBS="$ac_search_save_LIBS"
+])
+if test "x$ac_cv_search_mpz_getlimbn" != xno ; then
+  LIBS="$ac_cv_search_mpz_getlimbn $LIBS"
+ifelse([$2], ,
+[AC_DEFINE(HAVE_LIBGMP)
+], [$2])
+ifelse([$3], , ,
+[else
+$3
+])dnl
+fi
+])
+
+# LSH_PATH_ADD(path-id, directory)
+AC_DEFUN([LSH_PATH_ADD],
+[AC_MSG_CHECKING($2)
+ac_exists=no
+if test -d "$2/." ; then
+  ac_real_dir=`cd $2 && pwd`
+  if test -n "$ac_real_dir" ; then
+    ac_exists=yes
+    for old in $1_REAL_DIRS ; do
+      ac_found=no
+      if test x$ac_real_dir = x$old ; then
+        ac_found=yes;
+	break;
+      fi
+    done
+    if test $ac_found = yes ; then
+      AC_MSG_RESULT(already added)
+    else
+      AC_MSG_RESULT(added)
+      # LDFLAGS="$LDFLAGS -L $2"
+      $1_REAL_DIRS="$ac_real_dir [$]$1_REAL_DIRS"
+      $1_DIRS="$2 [$]$1_DIRS"
+    fi
+  fi
+fi
+if test $ac_exists = no ; then
+  AC_MSG_RESULT(not found)
+fi
+])
+
+# LSH_RPATH_ADD(dir)
+AC_DEFUN([LSH_RPATH_ADD], [LSH_PATH_ADD(RPATH_CANDIDATE, $1)])
+
+# LSH_RPATH_INIT(candidates)
+AC_DEFUN([LSH_RPATH_INIT],
+[AC_MSG_CHECKING([for -R flag])
+RPATHFLAG=''
+case `uname -sr` in
+  OSF1\ V4.*)
+    RPATHFLAG="-rpath "
+    ;;
+  IRIX\ 6.*)
+    RPATHFLAG="-rpath "
+    ;;
+  IRIX\ 5.*)
+    RPATHFLAG="-rpath "
+    ;;
+  SunOS\ 5.*)
+    if test "$TCC" = "yes"; then
+      # tcc doesn't know about -R
+      RPATHFLAG="-Wl,-R,"
+    else
+      RPATHFLAG=-R
+    fi
+    ;;
+  Linux\ 2.*)
+    RPATHFLAG="-Wl,-rpath,"
+    ;;
+  *)
+    :
+    ;;
+esac
+
+if test x$RPATHFLAG = x ; then
+  AC_MSG_RESULT(none)
+else
+  AC_MSG_RESULT([using $RPATHFLAG])
+fi
+
+RPATH_CANDIDATE_REAL_DIRS=''
+RPATH_CANDIDATE_DIRS=''
+
+AC_MSG_RESULT([Searching for libraries])
+
+for d in $1 ; do
+  LSH_RPATH_ADD($d)
+done
+])    
+
+# Try to execute a main program, and if it fails, try adding some
+# -R flag.
+# LSH_RPATH_FIX
+AC_DEFUN([LSH_RPATH_FIX],
+[if test $cross_compiling = no -a "x$RPATHFLAG" != x ; then
+  ac_success=no
+  AC_TRY_RUN([int main(int argc, char **argv) { return 0; }],
+    ac_success=yes, ac_success=no, :)
+  
+  if test $ac_success = no ; then
+    AC_MSG_CHECKING([Running simple test program failed. Trying -R flags])
+dnl echo RPATH_CANDIDATE_DIRS = $RPATH_CANDIDATE_DIRS
+    ac_remaining_dirs=''
+    ac_rpath_save_LDFLAGS="$LDFLAGS"
+    for d in $RPATH_CANDIDATE_DIRS ; do
+      if test $ac_success = yes ; then
+  	ac_remaining_dirs="$ac_remaining_dirs $d"
+      else
+  	LDFLAGS="$RPATHFLAG$d $LDFLAGS"
+dnl echo LDFLAGS = $LDFLAGS
+  	AC_TRY_RUN([int main(int argc, char **argv) { return 0; }],
+  	  [ac_success=yes
+  	  ac_rpath_save_LDFLAGS="$LDFLAGS"
+  	  AC_MSG_RESULT([adding $RPATHFLAG$d])
+  	  ],
+  	  [ac_remaining_dirs="$ac_remaining_dirs $d"], :)
+  	LDFLAGS="$ac_rpath_save_LDFLAGS"
+      fi
+    done
+    RPATH_CANDIDATE_DIRS=$ac_remaining_dirs
+  fi
+  if test $ac_success = no ; then
+    AC_MSG_RESULT(failed)
+  fi
+fi
+])