m4/package_utilies.m4

   1 #
   2 # Check for specified utility (env var) - if unset, fail.
   3 #
   4 AC_DEFUN([AC_PACKAGE_NEED_UTILITY],
   5   [ if test -z "$2"; then
   6         echo
   7         echo FATAL ERROR: $3 does not seem to be installed.
   8         echo $1 cannot be built without a working $4 installation.
   9         exit 1
  10     fi
  11   ])
  12
  13 #
  14 #check compiler can generate dependencies
  15 #
  16 AC_DEFUN([AC_PACKAGE_GCC_DEPS],
  17   [AC_CACHE_CHECK(whether gcc -MM is supported,
  18                   ac_cv_gcc_nodeps,
  19                   [cat > conftest.c <<EOF
  20                    #include <stdio.h>
  21                    int main() { exit(0); }
  22 EOF
  23                   ac_cv_gcc_nodeps=no
  24                   if ${CC} -MM conftest.c >/dev/null 2>&1; then
  25                      ac_cv_gcc_nodeps=yes
  26                   fi
  27                   rm -f conftest.c a.out
  28                   ])
  29   ])
  30
  31 #
  32 # Generic macro, sets up all of the global build variables.
  33 # The following environment variables may be set to override defaults:
  34 #  CC MAKE LIBTOOL TAR ZIP eMAKEDEPEND AWK SED ECHO SORT
  35 #  MSGFMT MSGMERGE RPM
  36 #
  37 AC_DEFUN([AC_PACKAGE_UTILITIES],
  38   [ AC_PROG_CC
  39     cc="$CC"
  40     AC_SUBST(cc)
  41     AC_PACKAGE_NEED_UTILITY($1, "$cc", cc, [C compiler])
  42
  43     if test -z "$MAKE"; then
  44         AC_PATH_PROG(MAKE, gmake,, /usr/bin:/usr/local/bin)
  45     fi
  46     if test -z "$MAKE"; then
  47         AC_PATH_PROG(MAKE, make,, /usr/bin)
  48     fi
  49     make=$MAKE
  50     AC_SUBST(make)
  51     AC_PACKAGE_NEED_UTILITY($1, "$make", make, [GNU make])
  52
  53     if test -z "$LIBTOOL"; then
  54         AC_PATH_PROG(LIBTOOL, glibtool,, /usr/bin)
  55     fi
  56     if test -z "$LIBTOOL"; then
  57         AC_PATH_PROG(LIBTOOL, libtool,, /usr/bin:/usr/local/bin)
  58     fi
  59     libtool=$LIBTOOL
  60     AC_SUBST(libtool)
  61     AC_PACKAGE_NEED_UTILITY($1, "$libtool", libtool, [GNU libtool])
  62
  63     if test -z "$TAR"; then
  64         AC_PATH_PROG(TAR, tar,, /bin:/usr/local/bin:/usr/bin)
  65     fi
  66     tar=$TAR
  67     AC_SUBST(tar)
  68     if test -z "$ZIP"; then
  69         AC_PATH_PROG(ZIP, gzip,, /bin:/usr/bin:/usr/local/bin)
  70     fi
  71
  72     zip=$ZIP
  73     AC_SUBST(zip)
  74
  75     AC_PACKAGE_GCC_DEPS()
  76     makedepend="$cc -MM"
  77     if test $ac_cv_gcc_nodeps = no; then
  78         makedepend=/bin/true
  79     fi
  80     AC_SUBST(makedepend)
  81
  82     if test -z "$AWK"; then
  83         AC_PATH_PROG(AWK, awk,, /bin:/usr/bin)
  84     fi
  85     awk=$AWK
  86     AC_SUBST(awk)
  87
  88     if test -z "$SED"; then
  89         AC_PATH_PROG(SED, sed,, /bin:/usr/bin)
  90     fi
  91     sed=$SED
  92     AC_SUBST(sed)
  93
  94     if test -z "$ECHO"; then
  95         AC_PATH_PROG(ECHO, echo,, /bin:/usr/bin)
  96     fi
  97     echo=$ECHO
  98     AC_SUBST(echo)
  99
 100     if test -z "$SORT"; then
 101         AC_PATH_PROG(SORT, sort,, /bin:/usr/bin)
 102     fi
 103     sort=$SORT
 104     AC_SUBST(sort)
 105
 106     dnl check if symbolic links are supported
 107     AC_PROG_LN_S
 108
 109     if test "$enable_gettext" = yes; then
 110         if test -z "$MSGFMT"; then
 111                 AC_PATH_PROG(MSGFMT, msgfmt,, /usr/bin:/usr/local/bin)
 112         fi
 113         msgfmt=$MSGFMT
 114         AC_SUBST(msgfmt)
 115         AC_PACKAGE_NEED_UTILITY($1, "$msgfmt", msgfmt, gettext)
 116
 117         if test -z "$MSGMERGE"; then
 118                 AC_PATH_PROG(MSGMERGE, msgmerge,, /usr/bin:/usr/local/bin)
 119         fi
 120         msgmerge=$MSGMERGE
 121         AC_SUBST(msgmerge)
 122         AC_PACKAGE_NEED_UTILITY($1, "$msgmerge", msgmerge, gettext)
 123     fi
 124
 125     if test -z "$RPM"; then
 126         AC_PATH_PROG(RPM, rpm,, /bin:/usr/bin)
 127     fi
 128     rpm=$RPM
 129     AC_SUBST(rpm)
 130
 131     dnl .. and what version is rpm
 132     rpm_version=0
 133     test -n "$RPM" && test -x "$RPM" && rpm_version=`$RPM --version \
 134                         | awk '{print $NF}' | awk -F. '{V=1; print $V}'`
 135     AC_SUBST(rpm_version)
 136     dnl At some point in rpm 4.0, rpm can no longer build rpms, and
 137     dnl rpmbuild is needed (rpmbuild may go way back; not sure)
 138     dnl So, if rpm version >= 4.0, look for rpmbuild.  Otherwise build w/ rpm
 139     if test $rpm_version -ge 4; then
 140         AC_PATH_PROG(RPMBUILD, rpmbuild)
 141         rpmbuild=$RPMBUILD
 142     else
 143         rpmbuild=$RPM
 144     fi
 145     AC_SUBST(rpmbuild)
 146   ])