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Merge remote-tracking branch 'origin/pr/2726' into development

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* origin/pr/2726:
  Warn if VLAs are used
  Remove redundant compiler flag
  Consistently spell -Wextra
  Allow declarations after statements
This commit is contained in:
Jaeden Amero 2019-07-09 13:55:37 +01:00
commit 01604a334a
5 changed files with 10 additions and 7 deletions
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7
CMakeLists.txt
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@ -129,7 +129,10 @@ if(CMAKE_COMPILER_IS_GNU)
# note: starting with CMake 2.8 we could use CMAKE_C_COMPILER_VERSION # note: starting with CMake 2.8 we could use CMAKE_C_COMPILER_VERSION
execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion
OUTPUT_VARIABLE GCC_VERSION) OUTPUT_VARIABLE GCC_VERSION)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -W -Wdeclaration-after-statement -Wwrite-strings") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wwrite-strings")
if (GCC_VERSION VERSION_GREATER 4.3 OR GCC_VERSION VERSION_EQUAL 4.3)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wvla")
endif()
if (GCC_VERSION VERSION_GREATER 4.5 OR GCC_VERSION VERSION_EQUAL 4.5) if (GCC_VERSION VERSION_GREATER 4.5 OR GCC_VERSION VERSION_EQUAL 4.5)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wlogical-op") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wlogical-op")
endif() endif()
@ -146,7 +149,7 @@ if(CMAKE_COMPILER_IS_GNU)
endif(CMAKE_COMPILER_IS_GNU) endif(CMAKE_COMPILER_IS_GNU)
if(CMAKE_COMPILER_IS_CLANG) if(CMAKE_COMPILER_IS_CLANG)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -W -Wdeclaration-after-statement -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow") set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Wwrite-strings -Wpointer-arith -Wimplicit-fallthrough -Wshadow -Wvla")
set(CMAKE_C_FLAGS_RELEASE "-O2") set(CMAKE_C_FLAGS_RELEASE "-O2")
set(CMAKE_C_FLAGS_DEBUG "-O0 -g3") set(CMAKE_C_FLAGS_DEBUG "-O0 -g3")
set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage") set(CMAKE_C_FLAGS_COVERAGE "-O0 -g3 --coverage")

2
README.md
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@ -64,7 +64,7 @@ In order to build for a Windows platform, you should use `WINDOWS_BUILD=1` if th
Setting the variable `SHARED` in your environment will build shared libraries in addition to the static libraries. Setting `DEBUG` gives you a debug build. You can override `CFLAGS` and `LDFLAGS` by setting them in your environment or on the make command line; compiler warning options may be overridden separately using `WARNING_CFLAGS`. Some directory-specific options (for example, `-I` directives) are still preserved. Setting the variable `SHARED` in your environment will build shared libraries in addition to the static libraries. Setting `DEBUG` gives you a debug build. You can override `CFLAGS` and `LDFLAGS` by setting them in your environment or on the make command line; compiler warning options may be overridden separately using `WARNING_CFLAGS`. Some directory-specific options (for example, `-I` directives) are still preserved.
Please note that setting `CFLAGS` overrides its default value of `-O2` and setting `WARNING_CFLAGS` overrides its default value (starting with `-Wall -W`), so if you just want to add some warning options to the default ones, you can do so by setting `CFLAGS=-O2 -Werror` for example. Setting `WARNING_CFLAGS` is useful when you want to get rid of its default content (for example because your compiler doesn't accept `-Wall` as an option). Directory-specific options cannot be overridden from the command line. Please note that setting `CFLAGS` overrides its default value of `-O2` and setting `WARNING_CFLAGS` overrides its default value (starting with `-Wall -Wextra`), so if you just want to add some warning options to the default ones, you can do so by setting `CFLAGS=-O2 -Werror` for example. Setting `WARNING_CFLAGS` is useful when you want to get rid of its default content (for example because your compiler doesn't accept `-Wall` as an option). Directory-specific options cannot be overridden from the command line.
Depending on your platform, you might run into some issues. Please check the Makefiles in `library/`, `programs/` and `tests/` for options to manually add or remove for specific platforms. You can also check [the Mbed TLS Knowledge Base](https://tls.mbed.org/kb) for articles on your platform or issue. Depending on your platform, you might run into some issues. Please check the Makefiles in `library/`, `programs/` and `tests/` for options to manually add or remove for specific platforms. You can also check [the Mbed TLS Knowledge Base](https://tls.mbed.org/kb) for articles on your platform or issue.

2
library/Makefile
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@ -2,7 +2,7 @@
# Also see "include/mbedtls/config.h" # Also see "include/mbedtls/config.h"
CFLAGS ?= -O2 CFLAGS ?= -O2
WARNING_CFLAGS ?= -Wall -W -Wdeclaration-after-statement WARNING_CFLAGS ?= -Wall -Wextra
LDFLAGS ?= LDFLAGS ?=
LOCAL_CFLAGS = $(WARNING_CFLAGS) -I../include -D_FILE_OFFSET_BITS=64 LOCAL_CFLAGS = $(WARNING_CFLAGS) -I../include -D_FILE_OFFSET_BITS=64

4
programs/Makefile
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@ -3,8 +3,8 @@
# To compile with PKCS11: add "-lpkcs11-helper" to LDFLAGS # To compile with PKCS11: add "-lpkcs11-helper" to LDFLAGS
CFLAGS ?= -O2 CFLAGS ?= -O2
WARNING_CFLAGS ?= -Wall -W -Wdeclaration-after-statement WARNING_CFLAGS ?= -Wall -Wextra
WARNING_CXXFLAGS ?= -Wall -W WARNING_CXXFLAGS ?= -Wall -Wextra
LDFLAGS ?= LDFLAGS ?=
LOCAL_CFLAGS = $(WARNING_CFLAGS) -I../include -D_FILE_OFFSET_BITS=64 LOCAL_CFLAGS = $(WARNING_CFLAGS) -I../include -D_FILE_OFFSET_BITS=64

2
tests/Makefile
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@ -3,7 +3,7 @@
# To compile with PKCS11: add "-lpkcs11-helper" to LDFLAGS # To compile with PKCS11: add "-lpkcs11-helper" to LDFLAGS
CFLAGS ?= -O2 CFLAGS ?= -O2
WARNING_CFLAGS ?= -Wall -W -Wdeclaration-after-statement -Wunused WARNING_CFLAGS ?= -Wall -Wextra
LDFLAGS ?= LDFLAGS ?=
LOCAL_CFLAGS = $(WARNING_CFLAGS) -I../include -D_FILE_OFFSET_BITS=64 LOCAL_CFLAGS = $(WARNING_CFLAGS) -I../include -D_FILE_OFFSET_BITS=64