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m4.include/mc-with-screen-slang.m4: clarify usage of CPPFLAGS, CFLAGS and LDFLAGS

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...in s-lang library checking.

Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2012-11-14 10:23:11 +04:00
parent 49a0b83adf
commit f7bc3e5c21
1 changed files with 7 additions and 9 deletions
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16
m4.include/mc-with-screen-slang.m4
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@ -34,12 +34,11 @@ AC_DEFUN([MC_CHECK_SLANG_BY_PATH], [
ac_slang_lib_path="-L"$param_slang_lib_path
fi
saved_CFLAGS="$CFLAGS"
saved_CPPFLAGS="$CPPFLAGS"
saved_LDFLAGS="$LDFLAGS"
CFLAGS="$CFLAGS $ac_slang_inc_path $ac_slang_lib_path"
CPPFLAGS="$saved_CPPFLAGS $ac_slang_inc_path $ac_slang_lib_path"
CPPFLAGS="$saved_CPPFLAGS $ac_slang_inc_path"
LDFLAGS="$saved_LDFLAGS $ac_slang_lib_path"
AC_MSG_CHECKING([for slang.h])
AC_PREPROC_IFELSE(
@ -71,7 +70,7 @@ AC_DEFUN([MC_CHECK_SLANG_BY_PATH], [
if test x"$ac_slang_lib_path" = x; then
ac_slang_lib_path="-L/usr/lib"
fi
CFLAGS="-DHAVE_SLANG_SLANG_H $CFLAGS"
CPPFLAGS="-DHAVE_SLANG_SLANG_H $CPPFLAGS"
fi
],
)
@ -120,7 +119,7 @@ int main (void)
if test x"$found_slang" = x"yes"; then
MC_SLANG_TERMCAP
if test x"$mc_cv_slang_termcap" = x"yes"; then
saved_CPPFLAGS="-ltermcap $saved_CPPFLAGS "
saved_CPPFLAGS="$saved_CPPFLAGS "
saved_LDFLAGS="-ltermcap $saved_LDFLAGS"
fi
@ -142,12 +141,11 @@ int main (void)
screen_msg="S-Lang library"
MCLIBS="$ac_slang_lib_path -lslang $MCLIBS"
CFLAGS="$ac_slang_inc_path $saved_CFLAGS"
dnl do not reset CPPFLAGS
dnl - if CPPFLAGS are reset then cpp does not find the specified header
dnl if CPPFLAGS are reset then cpp does not find the specified header
CPPFLAGS="$ac_slang_inc_path $saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
else
CFLAGS="$saved_CFLAGS"
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
fi
@ -184,7 +182,7 @@ AC_DEFUN([MC_WITH_SLANG], [
PKG_CHECK_MODULES(SLANG, [slang >= 2.0], [found_slang=yes], [:])
if test x"$found_slang" = "xyes"; then
MCLIBS="$pkg_cv_SLANG_LIBS $MCLIBS"
CFLAGS="$pkg_cv_SLANG_CFLAGS $CFLAGS"
CPPFLAGS="$pkg_cv_SLANG_CFLAGS $CPPFLAGS"
fi
fi