Merge pull request #3005 from c1728p9/build_profiles

New build profile and docs

Author: 0xc0170

docs/build_profiles.md

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+# Build Profiles
+Mbed 5.0 supports three primary build profiles, *default*, *debug* and *small*. When using
+the online compiler the *default* profile is used. When building from the command line
+the desired profile can be can be selected by adding the ```--profile <profile>```
+command line flag. Custom user defined profiles can also be specific by giving the path
+the the profile.
+
+## Default profile
+* Small and fast code
+* Full error information - e.x. asserts have filename and line number
+* Hard to follow code flow when using a debugger
+
+## Debug profile
+* Easy to step through code with a debugger
+* Full error information - e.x. asserts have filename and line number
+* Largest and slowest profile
+
+## Small profile
+* Smallest profile and still fast
+* Minimal error information
+* Hard to follow code flow when using a debugger

tools/profiles/all-warnings.json

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+{
+    "GCC_ARM": {
+        "common": ["-c", "-Wall", "-Wextra",
+                   "-Wno-unused-parameter", "-Wno-missing-field-initializers",
+                   "-fmessage-length=0", "-fno-exceptions", "-fno-builtin",
+                   "-ffunction-sections", "-fdata-sections", "-funsigned-char",
+                   "-MMD", "-fno-delete-null-pointer-checks",
+                   "-fomit-frame-pointer", "-Os", "-DNDEBUG"],
+        "asm": ["-x", "assembler-with-cpp"],
+        "c": ["-std=gnu99"],
+        "cxx": ["-std=gnu++98", "-fno-rtti", "-Wvla"],
+        "ld": ["-Wl,--gc-sections", "-Wl,--wrap,main", "-Wl,--wrap,_malloc_r",
+               "-Wl,--wrap,_free_r", "-Wl,--wrap,_realloc_r",
+               "-Wl,--wrap,_calloc_r", "-Wl,--wrap,exit", "-Wl,--wrap,atexit"]
+    },
+    "ARM": {
+        "common": ["-c", "--gnu", "-Ospace", "--split_sections",
+                   "--apcs=interwork", "--brief_diagnostics", "--restrict",
+                   "--multibyte_chars", "-O3", "-DNDEBUG"],
+        "asm": [],
+        "c": ["--md", "--no_depend_system_headers", "--c99", "-D__ASSERT_MSG"],
+        "cxx": ["--cpp", "--no_rtti", "--no_vla"],
+        "ld": []
+    },
+    "uARM": {
+        "common": ["-c", "--gnu", "-Ospace", "--split_sections",
+                   "--apcs=interwork", "--brief_diagnostics", "--restrict",
+                   "--multibyte_chars", "-O3", "-D__MICROLIB",
+                   "--library_type=microlib", "-DMBED_RTOS_SINGLE_THREAD", "-DNDEBUG"],
+        "asm": [],
+        "c": ["--md", "--no_depend_system_headers", "--c99", "-D__ASSERT_MSG"],
+        "cxx": ["--cpp", "--no_rtti", "--no_vla"],
+        "ld": ["--library_type=microlib"]
+    },
+    "IAR": {
+        "common": [
+            "--no_wrap_diagnostics", "-e",
+            "--diag_suppress=Pa050,Pa084,Pa093,Pa082", "-Ohz", "-DNDEBUG"],
+        "asm": [],
+        "c": ["--vla"],
+        "cxx": ["--guard_calls", "--no_static_destruction"],
+        "ld": ["--skip_dynamic_initialization", "--threaded_lib"]
+    }
+}