third_party/tcmalloc/vendor/autogen.sh

   1 #!/bin/sh
   2
   3 # Before using, you should figure out all the .m4 macros that your
   4 # configure.m4 script needs and make sure they exist in the m4/
   5 # directory.
   6 #
   7 # These are the files that this script might edit:
   8 #    aclocal.m4 configure Makefile.in src/config.h.in \
   9 #    depcomp config.guess config.sub install-sh missing mkinstalldirs \
  10 #    ltmain.sh
  11 #
  12 # Here's a command you can run to see what files aclocal will import:
  13 #  aclocal -I ../autoconf --output=- | sed -n 's/^m4_include..\([^]]*\).*/\1/p'
  14
  15 set -ex
  16 rm -rf autom4te.cache
  17
  18 trap 'rm -f aclocal.m4.tmp' EXIT
  19
  20 # Returns the first binary in $* that exists, or the last arg, if none exists.
  21 WhichOf() {
  22   for candidate in "$@"; do
  23     if "$candidate" --version >/dev/null 2>&1; then
  24       echo "$candidate"
  25       return
  26     fi
  27   done
  28   echo "$candidate"   # the last one in $@
  29 }
  30
  31 # Use version 1.9 of aclocal and automake if available.
  32 ACLOCAL=`WhichOf aclocal-1.9 aclocal`
  33 AUTOMAKE=`WhichOf automake-1.9 automake`
  34 LIBTOOLIZE=`WhichOf glibtoolize libtoolize15 libtoolize14 libtoolize`
  35
  36 # aclocal tries to overwrite aclocal.m4 even if the contents haven't
  37 # changed, which is annoying when the file is not open for edit (in
  38 # p4).  We work around this by writing to a temp file and just
  39 # updating the timestamp if the file hasn't change.
  40 "$ACLOCAL" --force -I m4 --output=aclocal.m4.tmp
  41 if cmp aclocal.m4.tmp aclocal.m4; then
  42   touch aclocal.m4               # pretend that we regenerated the file
  43   rm -f aclocal.m4.tmp
  44 else
  45   mv aclocal.m4.tmp aclocal.m4   # we did set -e above, so we die if this fails
  46 fi
  47
  48 grep -q '^[^#]*AC_PROG_LIBTOOL' configure.ac && "$LIBTOOLIZE" -c -f
  49 autoconf -f -W all,no-obsolete
  50 autoheader -f -W all
  51 "$AUTOMAKE" -a -c -f -W all
  52
  53 rm -rf autom4te.cache
  54 exit 0