if test "$with_llvm" = yes ; then

for ac_prog in gawk mawk nawk awk

for ac_prog in gawk mawk nawk awk

do

# Extract the first word of "$ac_prog", so it can be a program name with args.

set dummy $ac_prog; ac_word=$2

test -n "$AWK" && break

done

if test "$with_llvm" = yes; then :

$as_echo "no, using $LN_S" >&6; }

fi

for ac_prog in gawk mawk nawk awk

do

# Extract the first word of "$ac_prog", so it can be a program name with args.

set dummy $ac_prog; ac_word=$2

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5

$as_echo_n "checking for $ac_word... " >&6; }

if ${ac_cv_prog_AWK+:} false; then :

$as_echo_n "(cached) " >&6

else

if test -n "$AWK"; then

ac_cv_prog_AWK="$AWK" # Let the user override the test.

else

as_save_IFS=$IFS; IFS=$PATH_SEPARATOR

for as_dir in $PATH

do

IFS=$as_save_IFS

test -z "$as_dir" && as_dir=.

for ac_exec_ext in '' $ac_executable_extensions; do

if as_fn_executable_p "$as_dir/$ac_word$ac_exec_ext"; then

ac_cv_prog_AWK="$ac_prog"

$as_echo "$as_me:${as_lineno-$LINENO}: found $as_dir/$ac_word$ac_exec_ext" >&5

break 2

fi

done

done

IFS=$as_save_IFS

fi

fi

AWK=$ac_cv_prog_AWK

if test -n "$AWK"; then

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $AWK" >&5

$as_echo "$AWK" >&6; }

else

{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5

$as_echo "no" >&6; }

fi

test -n "$AWK" && break

done

{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for a thread-safe mkdir -p" >&5

$as_echo_n "checking for a thread-safe mkdir -p... " >&6; }

if test -z "$MKDIR_P"; then

PGAC_ARG_BOOL(with, llvm, no, [build with LLVM based JIT support],

[AC_DEFINE([USE_LLVM], 1, [Define to 1 to build with LLVM based JIT support. (--with-llvm)])])

AC_SUBST(with_llvm)

if test "$with_llvm" = yes ; then

PGAC_LLVM_SUPPORT()

fi

dnl must use AS_IF here, else AC_REQUIRES inside PGAC_LLVM_SUPPORT malfunctions

AS_IF([test "$with_llvm" = yes], [PGAC_LLVM_SUPPORT()])

unset CFLAGS

PGAC_PATH_PROGS(TAR, tar)

AC_PROG_LN_S

AC_PROG_AWK

AC_PROG_MKDIR_P

# When Autoconf chooses install-sh as mkdir -p program it tries to generate

# a relative path to it in each makefile where it substitutes it. This clashes