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_with_$2],
[AC_RUN_IFELSE([$5],
[eval agi_with_$2="yes"],
[eval agi_with_$2="no"])
])
CPPFLAGS="$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([$3],[agi_header="yes"], [agi_header="no"])
if test "$agi_header" = "yes"; then
aegisub_save_LDFLAGS="$LDFLAGS"
LDFLAGS="$5"
AC_CACHE_CHECK(
[whether $1 works], [agi_with_$2],
[AC_LINK_IFELSE([$6],
[eval agi_with_$2="yes"],
[eval agi_with_$2="no"])
])
LDFLAGS="$aegisub_save_LDFLAGS"
else
eval agi_with_$2="no"
fi
CPPFLAGS="$aegisub_save_CPPFLAGS"
CXXFLAGS="$aegisub_save_CXXFLAGS"
])