])
-dnl CURL_A_COUPLE_OF_EXPERIMENTAL_COMPILER_TESTS
-dnl -------------------------------------------------
-dnl Use autobuilds to verify if these two tests pass.
-dnl To be removed in 24 or 48 hours.
-
-AC_DEFUN([CURL_A_COUPLE_OF_EXPERIMENTAL_COMPILER_TESTS], [
- AC_MSG_CHECKING([compiler test 01])
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([[
- struct mystruct {
- int member1;
- char *member2;
- struct mystruct *next;
- };
- typedef struct mystruct mystruct;
- struct mystruct myfunc();
- typedef char __my_arr_01__
- [sizeof(myfunc().member1) == sizeof(int) ? 1 : -1];
- ]],[[
- /* this should compile ok to pass test 01 */
- struct mystruct dummy;
- ]])
- ],[
- AC_MSG_RESULT([pass])
- ],[
- AC_MSG_RESULT([FAIL])
- sed 's/^/cc-src: /' conftest.$ac_ext >&6
- sed 's/^/cc-err: /' conftest.err >&6
- ])
- AC_MSG_CHECKING([compiler test 02])
- AC_COMPILE_IFELSE([
- AC_LANG_PROGRAM([[
- struct mystruct {
- int member1;
- char *member2;
- struct mystruct *next;
- };
- typedef struct mystruct mystruct;
- struct mystruct myfunc();
- typedef char __my_arr_02__
- [sizeof(myfunc().member1) == sizeof(char) ? 1 : -1];
- ]],[[
- /* this should fail compilation to pass test 02 */
- struct mystruct dummy;
- ]])
- ],[
- AC_MSG_RESULT([FAIL])
- ],[
- AC_MSG_RESULT([pass])
- ])
-])
-
-
dnl CURL_CHECK_FUNC_SELECT
dnl -------------------------------------------------
dnl Test if the socket select() function is available,
CARES_CHECK_COMPILER_HALT_ON_ERROR
CARES_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE
+CARES_CHECK_COMPILER_STRUCT_MEMBER_SIZE
dnl **********************************************************************
dnl Compilation based checks should not be done before this point.
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
-# serial 49
+# serial 50
dnl CARES_CHECK_COMPILER
])
+dnl CARES_CHECK_COMPILER_STRUCT_MEMBER_SIZE
+dnl -------------------------------------------------
+dnl Verifies if the compiler is capable of handling the
+dnl size of a struct member, struct which is a function
+dnl result, as a compilation-time condition inside the
+dnl type definition of a constant array.
+
+AC_DEFUN([CARES_CHECK_COMPILER_STRUCT_MEMBER_SIZE], [
+ AC_REQUIRE([CARES_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE])dnl
+ AC_MSG_CHECKING([if compiler struct member size checking works])
+ tst_compiler_check_one_works="unknown"
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+ struct mystruct {
+ int mi;
+ char mc;
+ struct mystruct *next;
+ };
+ struct mystruct myfunc();
+ typedef char good_t1[sizeof(myfunc().mi) == sizeof(int) ? 1 : -1 ];
+ typedef char good_t2[sizeof(myfunc().mc) == sizeof(char) ? 1 : -1 ];
+ ]],[[
+ good_t1 dummy1;
+ good_t2 dummy2;
+ ]])
+ ],[
+ tst_compiler_check_one_works="yes"
+ ],[
+ tst_compiler_check_one_works="no"
+ sed 's/^/cc-src: /' conftest.$ac_ext >&6
+ sed 's/^/cc-err: /' conftest.err >&6
+ ])
+ tst_compiler_check_two_works="unknown"
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+ struct mystruct {
+ int mi;
+ char mc;
+ struct mystruct *next;
+ };
+ struct mystruct myfunc();
+ typedef char bad_t1[sizeof(myfunc().mi) != sizeof(int) ? 1 : -1 ];
+ typedef char bad_t2[sizeof(myfunc().mc) != sizeof(char) ? 1 : -1 ];
+ ]],[[
+ bad_t1 dummy1;
+ bad_t2 dummy2;
+ ]])
+ ],[
+ tst_compiler_check_two_works="no"
+ ],[
+ tst_compiler_check_two_works="yes"
+ ])
+ if test "$tst_compiler_check_one_works" = "yes" &&
+ test "$tst_compiler_check_two_works" = "yes"; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([compiler fails struct member size checking.])
+ fi
+])
+
+
dnl CARES_VAR_MATCH (VARNAME, VALUE)
dnl -------------------------------------------------
dnl Verifies if shell variable VARNAME contains VALUE.
CURL_CHECK_COMPILER_HALT_ON_ERROR
CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE
+CURL_CHECK_COMPILER_STRUCT_MEMBER_SIZE
dnl **********************************************************************
dnl Compilation based checks should not be done before this point.
#endif
])
-CURL_A_COUPLE_OF_EXPERIMENTAL_COMPILER_TESTS
-
CURL_CONFIGURE_CURL_SOCKLEN_T
TYPE_IN_ADDR_T
#***************************************************************************
# File version for 'aclocal' use. Keep it a single number.
-# serial 49
+# serial 50
dnl CURL_CHECK_COMPILER
])
+dnl CURL_CHECK_COMPILER_STRUCT_MEMBER_SIZE
+dnl -------------------------------------------------
+dnl Verifies if the compiler is capable of handling the
+dnl size of a struct member, struct which is a function
+dnl result, as a compilation-time condition inside the
+dnl type definition of a constant array.
+
+AC_DEFUN([CURL_CHECK_COMPILER_STRUCT_MEMBER_SIZE], [
+ AC_REQUIRE([CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE])dnl
+ AC_MSG_CHECKING([if compiler struct member size checking works])
+ tst_compiler_check_one_works="unknown"
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+ struct mystruct {
+ int mi;
+ char mc;
+ struct mystruct *next;
+ };
+ struct mystruct myfunc();
+ typedef char good_t1[sizeof(myfunc().mi) == sizeof(int) ? 1 : -1 ];
+ typedef char good_t2[sizeof(myfunc().mc) == sizeof(char) ? 1 : -1 ];
+ ]],[[
+ good_t1 dummy1;
+ good_t2 dummy2;
+ ]])
+ ],[
+ tst_compiler_check_one_works="yes"
+ ],[
+ tst_compiler_check_one_works="no"
+ sed 's/^/cc-src: /' conftest.$ac_ext >&6
+ sed 's/^/cc-err: /' conftest.err >&6
+ ])
+ tst_compiler_check_two_works="unknown"
+ AC_COMPILE_IFELSE([
+ AC_LANG_PROGRAM([[
+ struct mystruct {
+ int mi;
+ char mc;
+ struct mystruct *next;
+ };
+ struct mystruct myfunc();
+ typedef char bad_t1[sizeof(myfunc().mi) != sizeof(int) ? 1 : -1 ];
+ typedef char bad_t2[sizeof(myfunc().mc) != sizeof(char) ? 1 : -1 ];
+ ]],[[
+ bad_t1 dummy1;
+ bad_t2 dummy2;
+ ]])
+ ],[
+ tst_compiler_check_two_works="no"
+ ],[
+ tst_compiler_check_two_works="yes"
+ ])
+ if test "$tst_compiler_check_one_works" = "yes" &&
+ test "$tst_compiler_check_two_works" = "yes"; then
+ AC_MSG_RESULT([yes])
+ else
+ AC_MSG_RESULT([no])
+ AC_MSG_ERROR([compiler fails struct member size checking.])
+ fi
+])
+
+
dnl CURL_VAR_MATCH (VARNAME, VALUE)
dnl -------------------------------------------------
dnl Verifies if shell variable VARNAME contains VALUE.