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[freetype2] check-deprecated-warning-for-macosx c12f8e827 4/5: configure
From: |
Werner Lemberg |
Subject: |
[freetype2] check-deprecated-warning-for-macosx c12f8e827 4/5: configure.raw: use -Werror=deprecated-declarations for MacOS specific testing |
Date: |
Sun, 9 Oct 2022 05:59:31 -0400 (EDT) |
branch: check-deprecated-warning-for-macosx
commit c12f8e827de2b79dfb4c4cca2d8d746655f0dd34
Author: suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
Commit: suzuki toshiya <mpsuzuki@hiroshima-u.ac.jp>
configure.raw: use -Werror=deprecated-declarations for MacOS specific
testing
---
builds/unix/configure.raw | 68 ++++++++++++++++++++++++++++++++++-------------
1 file changed, 50 insertions(+), 18 deletions(-)
diff --git a/builds/unix/configure.raw b/builds/unix/configure.raw
index 66d416ab1..be7492112 100644
--- a/builds/unix/configure.raw
+++ b/builds/unix/configure.raw
@@ -610,7 +610,8 @@ set ${save_config_args}
# test the flag "-Werror=deprecated-declarations" availability.
# test 1: test whether the compiler accepts __attribute__((deprecated)).
# test 2: test whether the compiler passes normal source if the flag is given.
-# test 3: test whether the compiler rejects the source using deprecated
variable.
+# test 3: test whether the compiler passes normal source if -Werror is given.
+# test 4: test whether the compiler rejects the source using deprecated
variable.
CFLAG_error_deprecated=""
@@ -620,31 +621,62 @@ AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([],[int x __attribute__((deprecated)); x = 0;])
],[
AC_MSG_RESULT(yes)
- # test 2
+ ac_cc_attr_deprecated="yes"
+],[
+ AC_MSG_RESULT(no)
+ ac_cc_attr_deprecated="no"
+])
+
+# test 2
+if test "x${ac_cc_attr_deprecated}" = "xyes"; then
AC_MSG_CHECKING([${CC} compiler flag -Werror=deprecated-declarations])
orig_CFLAGS="${CFLAGS}"
- CFLAGS="-Werror=deprecated-declarations"
+ CFLAGS="${CFLAGS} -Werror=deprecated-declarations"
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM([],[int x; x = 0;])
- ],[
+ ],[ # test 2 success: -Werror=deprecated-declarations is available.
AC_MSG_RESULT([supported])
- # test 3
- AC_MSG_CHECKING([${CC} -Werror=deprecated-declarations works properly])
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([],[int x __attribute__((deprecated)); x = 0;])
- ],[
- AC_MSG_RESULT([no]) # compiler cannot refuse a problematic source.
- ],[
- AC_MSG_RESULT([yes]) # compiler refuses a problematic source.
- CFLAG_error_deprecated="-Werror=deprecated-declarations"
- ])
+ CFLAG_error_deprecated="-Werror=deprecated-declarations"
],[ # test 2 failed: -Werror=deprecated-declarations is invalid flag.
AC_MSG_RESULT([unavailable])
+ CFLAG_error_deprecated=""
])
-],[ # test 1 failed: __attribute__((deprecate)) is not parsed properly.
- AC_MSG_RESULT([no])
-])
-CFLAGS="${orig_CFLAGS}"
+ CFLAGS="${orig_CFLAGS}"
+fi
+
+# test 3
+if test "x${ac_cc_attr_deprecated}" = "xyes" -a "x${CFLAG_error_deprecated}" =
"x"; then
+ AC_MSG_CHECKING([${CC} compiler flag -Werror])
+ orig_CFLAGS="${CFLAGS}"
+ CFLAGS="${CFLAGS} -Werror"
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([],[int x; x = 0;])
+ ],[ # test 3 success: -Werror is available.
+ AC_MSG_RESULT([supported])
+ CFLAG_error_deprecated="-Werror"
+ ],[ # test 2 failed: -Werror=deprecated-declarations is invalid flag.
+ AC_MSG_RESULT([unavailable])
+ CFLAG_error_deprecated=""
+ ])
+ CFLAGS="${orig_CFLAGS}"
+fi
+
+# test 4
+if test "x${ac_cc_attr_deprecated}" = "xyes" -a "x${CFLAG_error_deprecated}"
!= "x"; then
+ AC_MSG_CHECKING([${CC} ${CFLAG_error_deprecated} works properly])
+ orig_CFLAGS="${CFLAGS}"
+ CFLAGS="${CFLAGS} ${CFLAG_error_deprecated}"
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([],[int x __attribute__((deprecated)); x = 0;])
+ ],[
+ AC_MSG_RESULT([no]) # ${CFLAG_error_deprecated} cannot refuse a
problematic source.
+ CFLAG_error_deprecated=""
+ ],[
+ AC_MSG_RESULT([yes]) # compiler refuses a problematic source.
+ ])
+ CFLAGS="${orig_CFLAGS}"
+fi
+
if expr "${CC} ${CFLAGS} " : ".* -Wno-deprecated-declarations .*" > /dev/null;
then
AC_MSG_WARN([-Wno-deprecated-declaraions is given, some warnings would be
hidden.])
CFLAG_error_deprecated=""
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- [freetype2] check-deprecated-warning-for-macosx c12f8e827 4/5: configure.raw: use -Werror=deprecated-declarations for MacOS specific testing,
Werner Lemberg <=