m4/package_utilies.m4

   1 # Path to search an utility
   2 PATH=/bin:/usr/bin:/usr/local/bin:/usr/freeware/bin:/opt/local/bin
   3
   4 #
   5 # Check for specified utility (env var) - if unset, fail.
   6 #
   7 AC_DEFUN([AC_PACKAGE_NEED_UTILITY],
   8   [ if test -z "$2"; then
   9         echo
  10         echo FATAL ERROR: $3 does not seem to be installed.
  11         echo $1 cannot be built without a working $4 installation.
  12         exit 1
  13     fi
  14   ])
  15
  16 #
  17 #check compiler can generate dependencies
  18 #
  19 AC_DEFUN([AC_PACKAGE_GCC_DEPS],
  20   [AC_CACHE_CHECK(whether gcc -MM is supported,
  21                   ac_cv_gcc_nodeps,
  22                   [cat > conftest.c <<EOF
  23                    #include <stdio.h>
  24                    int main() { exit(0); }
  25 EOF
  26                   ac_cv_gcc_nodeps=no
  27                   if ${CC} -MM conftest.c >/dev/null 2>&1; then
  28                      ac_cv_gcc_nodeps=yes
  29                   fi
  30                   rm -f conftest.c a.out
  31                   ])
  32   ])
  33 #
  34 # Generic macro, sets up all of the global build variables.
  35 # The following environment variables may be set to override defaults:
  36 #  CC MAKE LIBTOOL TAR ZIP MAKEDEPEND AWK SED ECHO SORT
  37 #  MSGFMT MSGMERGE XGETTEXT RPM
  38 #
  39 AC_DEFUN([AC_PACKAGE_UTILITIES],
  40   [ AC_PROG_CC
  41     cc="$CC"
  42     AC_SUBST(cc)
  43     AC_PACKAGE_NEED_UTILITY($1, "$cc", cc, [C compiler])
  44
  45     if test -z "$MAKE"; then
  46         AC_PATH_PROG(MAKE, gmake,, $PATH)
  47     fi
  48     if test -z "$MAKE"; then
  49         AC_PATH_PROG(MAKE, make,, $PATH)
  50     fi
  51     make=$MAKE
  52     AC_SUBST(make)
  53     AC_PACKAGE_NEED_UTILITY($1, "$make", make, [GNU make])
  54
  55     if test -z "$TAR"; then
  56         AC_PATH_PROG(TAR, tar,, $PATH)
  57     fi
  58     tar=$TAR
  59     AC_SUBST(tar)
  60     if test -z "$ZIP"; then
  61         AC_PATH_PROG(ZIP, gzip,, $PATH)
  62     fi
  63
  64     zip=$ZIP
  65     AC_SUBST(zip)
  66
  67     AC_PACKAGE_GCC_DEPS()
  68     makedepend="$cc -MM"
  69     if test $ac_cv_gcc_nodeps = no; then
  70         makedepend=/bin/true
  71     fi
  72     AC_SUBST(makedepend)
  73
  74     if test -z "$AWK"; then
  75         AC_PATH_PROG(AWK, awk,, /bin:/usr/bin)
  76     fi
  77     awk=$AWK
  78     AC_SUBST(awk)
  79
  80     if test -z "$SED"; then
  81         AC_PATH_PROG(SED, sed,, /bin:/usr/bin)
  82     fi
  83     sed=$SED
  84     AC_SUBST(sed)
  85
  86     if test -z "$ECHO"; then
  87         AC_PATH_PROG(ECHO, echo,, /bin:/usr/bin)
  88     fi
  89     echo=$ECHO
  90     AC_SUBST(echo)
  91
  92     if test -z "$SORT"; then
  93         AC_PATH_PROG(SORT, sort,, /bin:/usr/bin)
  94     fi
  95     sort=$SORT
  96     AC_SUBST(sort)
  97
  98     dnl check if symbolic links are supported
  99     AC_PROG_LN_S
 100
 101     if test "$enable_gettext" = yes; then
 102         if test -z "$MSGFMT"; then
 103                 AC_PATH_PROG(MSGFMT, msgfmt,, $PATH)
 104         fi
 105         msgfmt=$MSGFMT
 106         AC_SUBST(msgfmt)
 107         AC_PACKAGE_NEED_UTILITY($1, "$msgfmt", msgfmt, gettext)
 108
 109         if test -z "$MSGMERGE"; then
 110                 AC_PATH_PROG(MSGMERGE, msgmerge,, $PATH)
 111         fi
 112         msgmerge=$MSGMERGE
 113         AC_SUBST(msgmerge)
 114         AC_PACKAGE_NEED_UTILITY($1, "$msgmerge", msgmerge, gettext)
 115
 116         if test -z "$XGETTEXT"; then
 117                 AC_PATH_PROG(XGETTEXT, xgettext,, $PATH)
 118         fi
 119         xgettext=$XGETTEXT
 120         AC_SUBST(xgettext)
 121         AC_PACKAGE_NEED_UTILITY($1, "$xgettext", xgettext, gettext)
 122     fi
 123
 124     if test -z "$RPM"; then
 125         AC_PATH_PROG(RPM, rpm,, $PATH)
 126     fi
 127     rpm=$RPM
 128     AC_SUBST(rpm)
 129
 130     dnl .. and what version is rpm
 131     rpm_version=0
 132     test -n "$RPM" && test -x "$RPM" && rpm_version=`$RPM --version \
 133                         | awk '{print $NF}' | awk -F. '{V=1; print $V}'`
 134     AC_SUBST(rpm_version)
 135     dnl At some point in rpm 4.0, rpm can no longer build rpms, and
 136     dnl rpmbuild is needed (rpmbuild may go way back; not sure)
 137     dnl So, if rpm version >= 4.0, look for rpmbuild.  Otherwise build w/ rpm
 138     if test $rpm_version -ge 4; then
 139         AC_PATH_PROG(RPMBUILD, rpmbuild)
 140         rpmbuild=$RPMBUILD
 141     else
 142         rpmbuild=$RPM
 143     fi
 144     AC_SUBST(rpmbuild)
 145   ])