/js/src/build/autoconf/pkg.m4

http://github.com/zpao/v8monkey · m4 · 59 lines · 44 code · 9 blank · 6 comment · 0 complexity · d0957672dc0d97bd0426d29fcea8bac4 MD5 · raw file

  1. # PKG_CHECK_MODULES(GSTUFF, gtk+-2.0 >= 1.3 glib = 1.3.4, action-if, action-not)
  2. # defines GSTUFF_LIBS, GSTUFF_CFLAGS, see pkg-config man page
  3. # also defines GSTUFF_PKG_ERRORS on error
  4. AC_DEFUN([PKG_CHECK_MODULES],
  5. [succeeded=no
  6. if test -z "$PKG_CONFIG"; then
  7. AC_PATH_PROG(PKG_CONFIG, pkg-config, no)
  8. fi
  9. if test "$PKG_CONFIG" = "no" ; then
  10. echo "*** The pkg-config script could not be found. Make sure it is"
  11. echo "*** in your path, or set the PKG_CONFIG environment variable"
  12. echo "*** to the full path to pkg-config."
  13. echo "*** Or see http://www.freedesktop.org/software/pkgconfig to get pkg-config."
  14. else
  15. PKG_CONFIG_MIN_VERSION=0.9.0
  16. if $PKG_CONFIG --atleast-pkgconfig-version $PKG_CONFIG_MIN_VERSION; then
  17. AC_MSG_CHECKING(for $2)
  18. if $PKG_CONFIG --exists "$2" ; then
  19. AC_MSG_RESULT(yes)
  20. succeeded=yes
  21. AC_MSG_CHECKING($1_CFLAGS)
  22. $1_CFLAGS=`$PKG_CONFIG --cflags "$2"`
  23. AC_MSG_RESULT($$1_CFLAGS)
  24. AC_MSG_CHECKING($1_LIBS)
  25. ## Remove evil flags like -Wl,--export-dynamic
  26. $1_LIBS="`$PKG_CONFIG --libs \"$2\" |sed s/-Wl,--export-dynamic//g`"
  27. AC_MSG_RESULT($$1_LIBS)
  28. else
  29. $1_CFLAGS=""
  30. $1_LIBS=""
  31. ## If we have a custom action on failure, don't print errors, but
  32. ## do set a variable so people can do so.
  33. $1_PKG_ERRORS=`$PKG_CONFIG --errors-to-stdout --print-errors "$2"`
  34. ifelse([$4], ,echo $$1_PKG_ERRORS,)
  35. fi
  36. AC_SUBST($1_CFLAGS)
  37. AC_SUBST($1_LIBS)
  38. else
  39. echo "*** Your version of pkg-config is too old. You need version $PKG_CONFIG_MIN_VERSION or newer."
  40. echo "*** See http://www.freedesktop.org/software/pkgconfig"
  41. fi
  42. fi
  43. if test $succeeded = yes; then
  44. ifelse([$3], , :, [$3])
  45. else
  46. if test "$COMPILE_ENVIRONMENT"; then
  47. ifelse([$4], , AC_MSG_ERROR([Library requirements ($2) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.]), [$4])
  48. fi
  49. fi
  50. ])