From f798b8890e179aad762c4e1e80503773676edc25 Mon Sep 17 00:00:00 2001
From: Hubert Badocha <hubert.badocha@phoenix-rtos.com>
Date: Fri, 4 Oct 2024 14:06:32 +0200
Subject: [PATCH] target: introduce HAVE_SHLIB variable

JIRA: RTOS-664
---
 makes/binary-dyn.mk   | 4 ++++
 makes/check-env.mk    | 6 ++++++
 makes/shared-lib.mk   | 3 +++
 target/armv7a.mk      | 1 +
 target/armv7m.mk      | 1 +
 target/armv8m.mk      | 1 +
 target/armv8r.mk      | 1 +
 target/ia32.mk        | 1 +
 target/riscv64.mk     | 1 +
 target/sparcv8leon.mk | 3 +++
 10 files changed, 22 insertions(+)

diff --git a/makes/binary-dyn.mk b/makes/binary-dyn.mk
index 38cd296d..33d9f208 100644
--- a/makes/binary-dyn.mk
+++ b/makes/binary-dyn.mk
@@ -3,6 +3,10 @@
 # - DEP_LIBS_SHARED - shared libraries from current repo needed to be compiled/installed before this component (shortcut for putting something in LIBS and DEPS)
 # - LIBS_SHARED - names of the shared libs to link the binary against (without .so suffix)
 
+ifeq (${HAVE_SHLIB},n)
+	$(warning "binary-dyn.mk called on target not supporting dynamic linking!")
+endif
+
 RESOLVED_LIBS_SHARED := $(patsubst lib%,-l%, $(DEP_LIBS_SHARED) $(LIBS_SHARED))
 
 DEPS += $(DEP_LIBS_SHARED)
diff --git a/makes/check-env.mk b/makes/check-env.mk
index cb1b3478..2ebbd150 100644
--- a/makes/check-env.mk
+++ b/makes/check-env.mk
@@ -24,3 +24,9 @@ ifeq ($(HAVE_MMU), n)
     $(error "KERNEL_PHADDR is not set for NOMMU target, please check project configuration")
   endif
 endif
+
+ifeq ($(HAVE_SHLIB), n)
+  ifeq ($(LIBPHOENIX_SHARED), y)
+    $(error "LIBPHOENIX_SHARED is set for target without shared lib support, please check project configuration")
+  endif
+endif
diff --git a/makes/shared-lib.mk b/makes/shared-lib.mk
index f7d936f2..3c332a1d 100644
--- a/makes/shared-lib.mk
+++ b/makes/shared-lib.mk
@@ -20,6 +20,9 @@
 #
 # - LOCAL_INSTALL_PATH - custom rootfs dir for the shared library to be installed (if not provided - DEFAULT_INSTALL_PATH_SO)
 
+ifeq (${HAVE_SHLIB},n)
+  $(warning "shared-lib.mk called on target not supporting shared libraries!")
+endif
 
 # directory with current Makefile - relative to the repository root
 # filter-out all Makefiles outside of TOPDIR
diff --git a/target/armv7a.mk b/target/armv7a.mk
index b6efe35c..001b34bd 100644
--- a/target/armv7a.mk
+++ b/target/armv7a.mk
@@ -48,3 +48,4 @@ LIBPHOENIX_PIC ?= y
 LIBPHOENIX_SHARED ?= y
 
 HAVE_MMU := y
+HAVE_SHLIB := y
diff --git a/target/armv7m.mk b/target/armv7m.mk
index 673795c4..a4d362a2 100644
--- a/target/armv7m.mk
+++ b/target/armv7m.mk
@@ -53,3 +53,4 @@ OBJCOPY := $(CROSS)objcopy
 OBJDUMP := $(CROSS)objdump
 
 HAVE_MMU := n
+HAVE_SHLIB := n
diff --git a/target/armv8m.mk b/target/armv8m.mk
index 76a27ba7..ad512b67 100644
--- a/target/armv8m.mk
+++ b/target/armv8m.mk
@@ -48,3 +48,4 @@ OBJCOPY := $(CROSS)objcopy
 OBJDUMP := $(CROSS)objdump
 
 HAVE_MMU := n
+HAVE_SHLIB := n
diff --git a/target/armv8r.mk b/target/armv8r.mk
index 2282cf19..3a903055 100644
--- a/target/armv8r.mk
+++ b/target/armv8r.mk
@@ -49,3 +49,4 @@ OBJCOPY := $(CROSS)objcopy
 OBJDUMP := $(CROSS)objdump
 
 HAVE_MMU := n
+HAVE_SHLIB := n
diff --git a/target/ia32.mk b/target/ia32.mk
index ba057660..d900bc00 100644
--- a/target/ia32.mk
+++ b/target/ia32.mk
@@ -41,3 +41,4 @@ LIBPHOENIX_PIC ?= y
 LIBPHOENIX_SHARED ?= y
 
 HAVE_MMU := y
+HAVE_SHLIB := y
diff --git a/target/riscv64.mk b/target/riscv64.mk
index 7c765443..21836233 100644
--- a/target/riscv64.mk
+++ b/target/riscv64.mk
@@ -41,3 +41,4 @@ LIBPHOENIX_PIC ?= y
 LIBPHOENIX_SHARED ?= y
 
 HAVE_MMU := y
+HAVE_SHLIB := y
diff --git a/target/sparcv8leon.mk b/target/sparcv8leon.mk
index 55244ced..6496610b 100644
--- a/target/sparcv8leon.mk
+++ b/target/sparcv8leon.mk
@@ -37,6 +37,7 @@ ifeq ($(TARGET_SUBFAMILY), gr716)
   endif
 
   HAVE_MMU := n
+  HAVE_SHLIB := n
 
 else ifeq ($(TARGET_SUBFAMILY), gr712rc)
   ifeq ($(KERNEL), 1)
@@ -52,6 +53,7 @@ else ifeq ($(TARGET_SUBFAMILY), gr712rc)
   LIBPHOENIX_SHARED ?= n
 
   HAVE_MMU := y
+  HAVE_SHLIB := n
 else ifeq ($(TARGET_SUBFAMILY), generic)
   ifeq ($(KERNEL), 1)
     CFLAGS += 
@@ -69,6 +71,7 @@ else ifeq ($(TARGET_SUBFAMILY), generic)
   LIBPHOENIX_SHARED ?= n
 
   HAVE_MMU := y
+  HAVE_SHLIB := n
 else
   $(error Incorrect TARGET.)
 endif