[flang] Revert 3 commits pushed by mistake along b7c07ce15f

Revert "[flang][NFC] Add debug dump method to evaluate::Expr and semantics::Symbol"
This reverts commit b0e35fde21.

Revert "[flang] Add a wrapper for Fortran main program"
This reverts commit 2c1ce0755e.

Revert "[flang][NFC] Fix header comments in some runtime headers"
This reverts commit a63f57674d.

flang/cmake/modules/AddFlang.cmake

@@ -17,7 +17,7 @@ endmacro()
 
 macro(add_flang_library name)
   cmake_parse_arguments(ARG
-    "SHARED;STATIC"
+    "SHARED"
     ""
     "ADDITIONAL_HEADERS"
     ${ARGN})
@@ -52,7 +52,7 @@ macro(add_flang_library name)
   else()
     # llvm_add_library ignores BUILD_SHARED_LIBS if STATIC is explicitly set,
     # so we need to handle it here.
-    if (BUILD_SHARED_LIBS AND NOT ARG_STATIC)
+    if (BUILD_SHARED_LIBS)
       set(LIBTYPE SHARED OBJECT)
     else()
       set(LIBTYPE STATIC OBJECT)

flang/include/flang/Runtime/magic-numbers.h

@@ -1,4 +1,5 @@
-#if 0 /*===-- include/flang/Runtime/magic-numbers.h -----------------------===*/
+#if 0 /*===-- include/flang/Runtime/magic-numbers.h \
+         -----------------------===*/
 /*
  * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  * See https://llvm.org/LICENSE.txt for license information.

flang/lib/Evaluate/expression.cpp

@@ -18,7 +18,6 @@
 #include "flang/Semantics/symbol.h"
 #include "flang/Semantics/tools.h"
 #include "flang/Semantics/type.h"
-#include "llvm/Support/Compiler.h"
 #include "llvm/Support/raw_ostream.h"
 #include <string>
 #include <type_traits>

flang/runtime/CMakeLists.txt

@@ -1,9 +1,15 @@
+#===-- runtime/CMakeLists.txt ----------------------------------------------===#
+#
+# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+# See https://llvm.org/LICENSE.txt for license information.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+#
+#===------------------------------------------------------------------------===#
 
 include(CheckCXXSymbolExists)
 include(CheckCXXSourceCompiles)
 check_cxx_symbol_exists(strerror string.h HAVE_STRERROR)
 check_cxx_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
-
 # Can't use symbol exists here as the function is overloaded in C++
 check_cxx_source_compiles(
   "#include <string.h>
@@ -24,7 +30,7 @@ configure_file(config.h.cmake config.h)
 # with different names
 include_directories(AFTER ${CMAKE_CURRENT_BINARY_DIR})
 
-add_flang_library(FortranRuntime PARTIAL_SOURCES_INTENDED
+add_flang_library(FortranRuntime
   ISO_Fortran_binding.cpp
   allocatable.cpp
   assign.cpp
@@ -76,7 +82,3 @@ add_flang_library(FortranRuntime PARTIAL_SOURCES_INTENDED
   LINK_LIBS
   FortranDecimal
 )
-
-add_flang_library(Fortran_main STATIC PARTIAL_SOURCES_INTENDED
-  Fortran_main.c
-)

flang/runtime/Fortran_main.c

@@ -1,14 +0,0 @@
-#include "flang/Runtime/main.h"
-#include "flang/Runtime/stop.h"
-
-/* main entry into PROGRAM */
-void _QQmain();
-
-/* C main stub */
-int main(int argc, const char *argv[], const char *envp[])
-{
-  RTNAME(ProgramStart)(argc, argv, envp);
-  _QQmain();
-  RTNAME(ProgramEndStatement)();
-  return 0;
-}