Aegisub/aegisub/m4macros/ac_agi.m4

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AC_DEFUN([AC_AGI_COMPILE],[
aegisub_save_LDFLAGS="$LDFLAGS"
aegisub_save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$3"
LDFLAGS="$4"
AC_CACHE_CHECK(
[whether $1 works], [agi_cv_with_$2],
[AC_RUN_IFELSE([AC_LANG_SOURCE([$5])],
[eval agi_cv_with_$2="yes"],
[eval agi_cv_with_$2="no"],
[if test $? -ne 0; then
eval agi_cv_with_$2="no";
else
eval agi_cv_with_$2="yes";
fi])
])
CPPFLAGS="$aegisub_save_CPPFLAGS"
LDFLAGS="$aegisub_save_LDFLAGS"
])
AC_DEFUN([AC_AGI_LINK],[
aegisub_save_CPPFLAGS="$CPPFLAGS"
aegisub_save_CXXFLAGS="$CXXFLAGS"
CPPFLAGS="$4"
CXXFLAGS="$CPPFLAGS"
AC_CHECK_HEADER([$3],[agi_cv_header="yes"], [agi_cv_header="no"])
if test "$agi_cv_header" = "yes"; then
aegisub_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$5"
AC_CACHE_CHECK(
[whether $1 works], [agi_cv_with_$2],
[AC_LINK_IFELSE([AC_LANG_SOURCE([$6])],
[eval agi_cv_with_$2="yes"],
[eval agi_cv_with_$2="no"])
])
LDFLAGS="$aegisub_save_LDFLAGS"
else
eval agi_cv_with_$2="no"
fi
CPPFLAGS="$aegisub_save_CPPFLAGS"
CXXFLAGS="$aegisub_save_CXXFLAGS"
])