Add GCCVER define to Toolchain.cmake

Since GCCVER will also be used in the toolchain, it needs to be defined in advance.

Signed-off-by: cuiziwei <[email protected]>

arch/arm/src/cmake/gcc.cmake

@@ -62,16 +62,18 @@ endif()
 # array subscript [0] is outside array bounds:
 # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
 
-execute_process(COMMAND ${CMAKE_C_COMPILER} --version
-                OUTPUT_VARIABLE GCC_VERSION_OUTPUT)
-string(REGEX MATCH "\\+\\+.* ([0-9]+)\\.[0-9]+" GCC_VERSION_REGEX
-             "${GCC_VERSION_OUTPUT}")
-set(GCCVER ${CMAKE_MATCH_1})
-
-if(GCCVER GREATER_EQUAL 12)
-  add_compile_options(--param=min-pagesize=0)
-  if(CONFIG_ARCH_RAMFUNCS)
-    add_link_options(-Wl,--no-warn-rwx-segments)
+if(CONFIG_ARCH_TOOLCHAIN_GNU)
+  execute_process(COMMAND ${CMAKE_C_COMPILER} --version
+                  OUTPUT_VARIABLE GCC_VERSION_OUTPUT)
+  string(REGEX MATCH "\\+\\+.* ([0-9]+)\\.[0-9]+" GCC_VERSION_REGEX
+               "${GCC_VERSION_OUTPUT}")
+  set(GCCVER ${CMAKE_MATCH_1})
+
+  if(GCCVER GREATER_EQUAL 12)
+    add_compile_options(--param=min-pagesize=0)
+    if(CONFIG_ARCH_RAMFUNCS)
+      add_link_options(-Wl,--no-warn-rwx-segments)
+    endif()
   endif()
 endif()
 

arch/arm/src/common/Toolchain.defs

@@ -306,15 +306,20 @@ else
   endif
 
   # Workaround to skip -Warray-bounds check due to bug of GCC-12:
-   # Wrong warning array subscript [0] is outside array bounds:
-   # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
-
-   ifeq ($(shell expr "$(GCCVER)" \>= 12), 1)
-     ARCHOPTIMIZATION += --param=min-pagesize=0
-     ifeq ($(CONFIG_ARCH_RAMFUNCS),y)
-       LDFLAGS += --no-warn-rwx-segments
-     endif
-   endif
+  # Wrong warning array subscript [0] is outside array bounds:
+  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
+
+  ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU),y)
+    ifeq ($(GCCVER),)
+      export GCCVER := $(shell $(CC) --version | grep gcc | sed -E "s/.* ([0-9]+\.[0-9]+).*/\1/" | cut -d'.' -f1)
+    endif
+    ifeq ($(shell expr "$(GCCVER)" \>= 12), 1)
+      ARCHOPTIMIZATION += --param=min-pagesize=0
+      ifeq ($(CONFIG_ARCH_RAMFUNCS),y)
+        LDFLAGS += --no-warn-rwx-segments
+      endif
+    endif
+  endif
 
   LDFLAGS += --entry=__start
 

arch/arm64/src/Toolchain.defs

@@ -180,8 +180,14 @@ ifeq ($(CONFIG_LTO_FULL),y)
   endif
 endif
 
+ifeq ($(GCCVER),)
+  export GCCVER := $(shell $(CC) --version | grep gcc | sed -E "s/.* ([0-9]+\.[0-9]+).*/\1/" | cut -d'.' -f1)
+endif
+
 ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU),y)
-  LDFLAGS += --no-warn-rwx-segments
+  ifeq ($(shell expr "$(GCCVER)" \>= 12), 1)
+    LDFLAGS += --no-warn-rwx-segments
+  endif
 endif
 
 # Add the builtin library

arch/arm64/src/cmake/Toolchain.cmake

@@ -190,5 +190,14 @@ if(CONFIG_DEBUG_SYMBOLS)
 endif()
 
 if(CONFIG_ARCH_TOOLCHAIN_GNU)
-  add_link_options(-Wl,--no-warn-rwx-segments)
+  if(NOT GCCVER)
+    execute_process(COMMAND ${CMAKE_C_COMPILER} --version
+                    OUTPUT_VARIABLE GCC_VERSION_INFO)
+    string(REGEX MATCH "[0-9]+\\.[0-9]+" GCC_VERSION ${GCC_VERSION_INFO})
+    string(REGEX REPLACE "\\..*" "" GCCVER ${GCC_VERSION})
+    set(GCCVER ${CMAKE_MATCH_1})
+  endif()
+  if(GCCVER GREATER_EQUAL 12)
+    add_link_options(-Wl,--no-warn-rwx-segments)
+  endif()
 endif()

arch/risc-v/Kconfig

@@ -412,7 +412,7 @@ config ARCH_RV_MACHINE_ISA_1_13
 		which extend the range of exception codes from 0 ~ 15 to 0 ~ 19.
 
 config ARCH_RV_ISA_ZICSR_ZIFENCEI
-	bool
+	bool "Enable Zicsr and Zifencei extensions (GCC >= 12.1.0.)"
 	default y
 	---help---
 		https://sourceware.org/git/?p=binutils-gdb.git;a=commit;h=aed44286efa8ae8717a77d94b51ac3614e2ca6dc

arch/risc-v/src/cmake/Toolchain.cmake

@@ -259,7 +259,16 @@ if(CONFIG_RISCV_TOOLCHAIN STREQUAL GNU_RVG)
   endif()
 
   if(CONFIG_ARCH_RV_ISA_ZICSR_ZIFENCEI)
-    set(ARCHCPUEXTFLAGS ${ARCHCPUEXTFLAGS}_zicsr_zifencei)
+    if(NOT DEFINED GCCVER)
+      execute_process(COMMAND ${CMAKE_CXX_COMPILER} --version
+                      OUTPUT_VARIABLE GCC_VERSION_OUTPUT)
+      string(REGEX MATCH "\\+\\+.* ([0-9]+)\\.[0-9]+" GCC_VERSION_REGEX
+                   "${GCC_VERSION_OUTPUT}")
+      set(GCCVER ${CMAKE_MATCH_1})
+    endif()
+    if(GCCVER GREATER_EQUAL 12 OR CONFIG_ARCH_TOOLCHAIN_CLANG)
+      set(ARCHCPUEXTFLAGS ${ARCHCPUEXTFLAGS}_zicsr_zifencei)
+    endif()
   endif()
 
   if(CONFIG_ARCH_RV_EXPERIMENTAL_EXTENSIONS)

arch/risc-v/src/common/Toolchain.defs

@@ -210,7 +210,15 @@ ifeq ($(CONFIG_RISCV_TOOLCHAIN),GNU_RVG)
   endif
 
   ifeq ($(CONFIG_ARCH_RV_ISA_ZICSR_ZIFENCEI),y)
-    ARCHCPUEXTFLAGS := $(ARCHCPUEXTFLAGS)_zicsr_zifencei
+    ifeq ($(GCCVER),)
+      export GCCVER = ${shell $(CROSSDEV)gcc --version | grep gcc | grep -oE '[0-9]+\.[0-9]+\.[0-9]+' | tail -n 1 | cut -d"." -f1 }
+    endif
+    ifeq ($(shell expr "$(GCCVER)" \>= 12), 1)
+      ARCHCPUEXTFLAGS := $(ARCHCPUEXTFLAGS)_zicsr_zifencei
+    endif
+    ifeq ($(CONFIG_ARCH_TOOLCHAIN_CLANG),y)
+      ARCHCPUEXTFLAGS := $(ARCHCPUEXTFLAGS)zicsr_zifencei
+    endif
   endif
 
   ARCH_RV_EXPERIMENTAL_EXTENSIONS = $(strip $(subst ",,$(CONFIG_ARCH_RV_EXPERIMENTAL_EXTENSIONS)))

arch/xtensa/src/lx6/Toolchain.defs

@@ -111,6 +111,10 @@ ifneq ($(CONFIG_LIBCXXTOOLCHAIN),y)
   ARCHCXXFLAGS += -nostdinc++
 endif
 
+ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU), y)
+   export GCCVER = $(shell $(CXX) --version | grep ++ | sed -E 's/.* ([0-9]+\.[0-9]+).*/\1/' | cut -d'.' -f1)
+ endif
+
 ifneq ($(CONFIG_ARCH_TOOLCHAIN_CLANG),y)
   ARCHCFLAGS += -Wno-psabi
   ARCHCXXFLAGS += -Wno-psabi

arch/xtensa/src/lx7/Toolchain.defs

@@ -115,6 +115,10 @@ ifneq ($(CONFIG_LIBCXXTOOLCHAIN),y)
   ARCHCXXFLAGS += -nostdinc++
 endif
 
+ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU), y)
+   export GCCVER = $(shell $(CXX) --version | grep ++ | sed -E 's/.* ([0-9]+\.[0-9]+).*/\1/' | cut -d'.' -f1)
+ endif
+
 ifneq ($(CONFIG_ARCH_TOOLCHAIN_CLANG),y)
   ARCHCFLAGS += -Wno-psabi
   ARCHCXXFLAGS += -Wno-psabi

tools/Config.mk

@@ -732,11 +732,6 @@ export DEFINE_PREFIX ?= $(subst X,,${shell $(DEFINE) "$(CC)" X 2> ${EMPTYFILE}})
 export INCDIR_PREFIX ?= $(subst "X",,${shell $(INCDIR) "$(CC)" X 2> ${EMPTYFILE}})
 export INCSYSDIR_PREFIX ?= $(subst "X",,${shell $(INCDIR) -s "$(CC)" X 2> ${EMPTYFILE}})
 
-# Get the GCC version number
-ifeq ($(CONFIG_ARCH_TOOLCHAIN_GNU), y)
-  export GCCVER = $(shell $(CXX) --version | grep ++ | sed -E 's/.* ([0-9]+\.[0-9]+).*/\1/' | cut -d'.' -f1)
-endif
-
 # ARCHxxx means the predefined setting(either toolchain, arch, or system specific)
 ARCHDEFINES += ${DEFINE_PREFIX}__NuttX__
 ifeq ($(CONFIG_NDEBUG),y)