llvm-6502/projects/sample/autoconf/m4/find_std_program.m4
Daniel Dunbar 2532fa21a9 projects/sample: Import adapted form of current LLVM autoconf/Makefile setup so that projects/sample is standalone and not tied to the LLVM build setup.
- This currently just moves over all of the behavior from LLVM. Eventually all of the configure checks that are directly needed by the LLVM build setup should probably go away, and the project should manage their own configuration checks if necessary.

 - This is the 1st half of this work, the actual Makefile.common hasn't moved over yet. I've tried to stage this in such a way that incremental builds will properly reconfigure for most active developers (the Makefiles don't handle reconfiguring in a perfectly reliable way, and I haven't found an easy way to make them do so).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142456 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18 23:10:47 +00:00

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dnl Check for a standard program that has a bin, include and lib directory
dnl
dnl Parameters:
dnl $1 - prefix directory to check
dnl $2 - program name to check
dnl $3 - header file to check
dnl $4 - library file to check
AC_DEFUN([CHECK_STD_PROGRAM],
[m4_define([allcapsname],translit($2,a-z,A-Z))
if test -n "$1" -a -d "$1" -a -n "$2" -a -d "$1/bin" -a -x "$1/bin/$2" ; then
AC_SUBST([USE_]allcapsname(),["USE_]allcapsname()[ = 1"])
AC_SUBST(allcapsname(),[$1/bin/$2])
AC_SUBST(allcapsname()[_BIN],[$1/bin])
AC_SUBST(allcapsname()[_DIR],[$1])
if test -n "$3" -a -d "$1/include" -a -f "$1/include/$3" ; then
AC_SUBST(allcapsname()[_INC],[$1/include])
fi
if test -n "$4" -a -d "$1/lib" -a -f "$1/lib/$4" ; then
AC_SUBST(allcapsname()[_LIB],[$1/lib])
fi
fi
])
dnl Find a program via --with options, in the path, or well known places
dnl
dnl Parameters:
dnl $1 - program's executable name
dnl $2 - header file name to check (optional)
dnl $3 - library file name to check (optional)
dnl $4 - alternate (long) name for the program
AC_DEFUN([FIND_STD_PROGRAM],
[m4_define([allcapsname],translit($1,a-z,A-Z))
m4_define([stdprog_long_name],ifelse($4,,translit($1,[ !@#$%^&*()-+={}[]:;"',./?],[-]),translit($4,[ !@#$%^&*()-+={}[]:;"',./?],[-])))
AC_MSG_CHECKING([for ]stdprog_long_name()[ bin/lib/include locations])
AC_ARG_WITH($1,
AS_HELP_STRING([--with-]stdprog_long_name()[=DIR],
[Specify that the ]stdprog_long_name()[ install prefix is DIR]),
$1[pfxdir=$withval],$1[pfxdir=nada])
AC_ARG_WITH($1[-bin],
AS_HELP_STRING([--with-]stdprog_long_name()[-bin=DIR],
[Specify that the ]stdprog_long_name()[ binary is in DIR]),
$1[bindir=$withval],$1[bindir=nada])
AC_ARG_WITH($1[-lib],
AS_HELP_STRING([--with-]stdprog_long_name()[-lib=DIR],
[Specify that ]stdprog_long_name()[ libraries are in DIR]),
$1[libdir=$withval],$1[libdir=nada])
AC_ARG_WITH($1[-inc],
AS_HELP_STRING([--with-]stdprog_long_name()[-inc=DIR],
[Specify that the ]stdprog_long_name()[ includes are in DIR]),
$1[incdir=$withval],$1[incdir=nada])
eval pfxval=\$\{$1pfxdir\}
eval binval=\$\{$1bindir\}
eval incval=\$\{$1incdir\}
eval libval=\$\{$1libdir\}
if test "${pfxval}" != "nada" ; then
CHECK_STD_PROGRAM(${pfxval},$1,$2,$3)
elif test "${binval}" != "nada" ; then
if test "${libval}" != "nada" ; then
if test "${incval}" != "nada" ; then
if test -d "${binval}" ; then
if test -d "${incval}" ; then
if test -d "${libval}" ; then
AC_SUBST(allcapsname(),${binval}/$1)
AC_SUBST(allcapsname()[_BIN],${binval})
AC_SUBST(allcapsname()[_INC],${incval})
AC_SUBST(allcapsname()[_LIB],${libval})
AC_SUBST([USE_]allcapsname(),["USE_]allcapsname()[ = 1"])
AC_MSG_RESULT([found via --with options])
else
AC_MSG_RESULT([failed])
AC_MSG_ERROR([The --with-]$1[-libdir value must be a directory])
fi
else
AC_MSG_RESULT([failed])
AC_MSG_ERROR([The --with-]$1[-incdir value must be a directory])
fi
else
AC_MSG_RESULT([failed])
AC_MSG_ERROR([The --with-]$1[-bindir value must be a directory])
fi
else
AC_MSG_RESULT([failed])
AC_MSG_ERROR([The --with-]$1[-incdir option must be specified])
fi
else
AC_MSG_RESULT([failed])
AC_MSG_ERROR([The --with-]$1[-libdir option must be specified])
fi
else
tmppfxdir=`which $1 2>&1`
if test -n "$tmppfxdir" -a -d "${tmppfxdir%*$1}" -a \
-d "${tmppfxdir%*$1}/.." ; then
tmppfxdir=`cd "${tmppfxdir%*$1}/.." ; pwd`
CHECK_STD_PROGRAM($tmppfxdir,$1,$2,$3)
AC_MSG_RESULT([found in PATH at ]$tmppfxdir)
else
checkresult="yes"
eval checkval=\$\{"USE_"allcapsname()\}
CHECK_STD_PROGRAM([/usr],$1,$2,$3)
if test -z "${checkval}" ; then
CHECK_STD_PROGRAM([/usr/local],$1,$2,$3)
if test -z "${checkval}" ; then
CHECK_STD_PROGRAM([/sw],$1,$2,$3)
if test -z "${checkval}" ; then
CHECK_STD_PROGRAM([/opt],$1,$2,$3)
if test -z "${checkval}" ; then
CHECK_STD_PROGRAM([/],$1,$2,$3)
if test -z "${checkval}" ; then
checkresult="no"
fi
fi
fi
fi
fi
AC_MSG_RESULT($checkresult)
fi
fi
])