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https://github.com/json-c/json-c.git
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Add support for Commodore Amiga
This commit is contained in:
Cameron Armstrong
committed by
Cameron Armstrong (Nightfox)
Cameron Armstrong (Nightfox)
parent
961c31f8ed
commit
4feebc1cd6
@@ -78,7 +78,24 @@ if (UNIX OR MINGW OR CYGWIN)
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list(APPEND CMAKE_REQUIRED_DEFINITIONS -D_GNU_SOURCE)
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endif()
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if (UNIX)
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if (${CMAKE_SYSTEM_NAME} STREQUAL "AmigaOS")
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set(AMIGA 1)
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set(DISABLE_THREAD_LOCAL_STORAGE ON)
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set(ENABLE_THREADING OFF)
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if ($ENV{CROSS_PFX} STREQUAL "m68k-amigaos")
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set(AMIGA_M68K 1)
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message(STATUS "Building for Motorola 68k AmigaOS")
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elseif ($ENV{CROSS_PFX} STREQUAL "ppc-amigaos")
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set(AMIGA_PPC 1)
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message(STATUS "Building for PowerPC AmigaOS")
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else()
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message(FATAL_ERROR "Unsupported AmigaOS target")
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endif()
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else()
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message(STATUS "Building for ${CMAKE_SYSTEM_NAME}")
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endif()
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if (UNIX OR AMIGA)
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list(APPEND CMAKE_REQUIRED_LIBRARIES m)
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endif()
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@@ -87,7 +104,7 @@ if (MSVC)
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list(APPEND CMAKE_REQUIRED_FLAGS /wd4996)
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endif()
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if (NOT DISABLE_STATIC_FPIC)
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if (NOT DISABLE_STATIC_FPIC AND NOT AMIGA)
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# Use '-fPIC'/'-fPIE' option.
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# This will allow other libraries to statically link in libjson-c.a
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# which in turn prevents crashes in downstream apps that may use
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@@ -112,7 +129,9 @@ check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H) # for getrusage
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check_include_file("dlfcn.h" HAVE_DLFCN_H)
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check_include_file("endian.h" HAVE_ENDIAN_H)
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check_include_file("limits.h" HAVE_LIMITS_H)
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check_include_file("locale.h" HAVE_LOCALE_H)
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if (NOT AMIGA)
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check_include_file("locale.h" HAVE_LOCALE_H)
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endif()
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check_include_file("memory.h" HAVE_MEMORY_H)
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check_include_file(stdint.h HAVE_STDINT_H)
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@@ -136,7 +155,7 @@ endif()
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check_symbol_exists(_isnan "float.h" HAVE_DECL__ISNAN)
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check_symbol_exists(_finite "float.h" HAVE_DECL__FINITE)
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if ((MSVC AND NOT (MSVC_VERSION LESS 1800)) OR MINGW OR CYGWIN OR UNIX)
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if ((MSVC AND NOT (MSVC_VERSION LESS 1800)) OR MINGW OR CYGWIN OR UNIX OR AMIGA)
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check_symbol_exists(INFINITY "math.h" HAVE_DECL_INFINITY)
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check_symbol_exists(isinf "math.h" HAVE_DECL_ISINF)
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check_symbol_exists(isnan "math.h" HAVE_DECL_ISNAN)
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@@ -144,22 +163,23 @@ if ((MSVC AND NOT (MSVC_VERSION LESS 1800)) OR MINGW OR CYGWIN OR UNIX)
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endif()
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check_symbol_exists(_doprnt "stdio.h" HAVE_DOPRNT)
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if (UNIX OR MINGW OR CYGWIN)
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if (UNIX OR MINGW OR CYGWIN OR AMIGA)
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check_symbol_exists(snprintf "stdio.h" HAVE_SNPRINTF)
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endif()
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check_symbol_exists(vasprintf "stdio.h" HAVE_VASPRINTF)
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check_symbol_exists(vsnprintf "stdio.h" HAVE_VSNPRINTF)
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check_symbol_exists(vprintf "stdio.h" HAVE_VPRINTF)
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check_symbol_exists(arc4random "stdlib.h" HAVE_ARC4RANDOM)
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if (NOT HAVE_ARC4RANDOM AND DISABLE_EXTRA_LIBS STREQUAL "OFF")
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check_include_file(bsd/stdlib.h HAVE_BSD_STDLIB_H)
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if (HAVE_BSD_STDLIB_H)
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list(APPEND CMAKE_REQUIRED_LIBRARIES "bsd")
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unset(HAVE_ARC4RANDOM CACHE)
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check_symbol_exists(arc4random "bsd/stdlib.h" HAVE_ARC4RANDOM)
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if (NOT HAVE_ARC4RANDOM)
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list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES "bsd")
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if (NOT AMIGA)
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check_symbol_exists(arc4random "stdlib.h" HAVE_ARC4RANDOM)
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if (NOT HAVE_ARC4RANDOM AND DISABLE_EXTRA_LIBS STREQUAL "OFF")
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check_include_file(bsd/stdlib.h HAVE_BSD_STDLIB_H)
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if (HAVE_BSD_STDLIB_H)
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list(APPEND CMAKE_REQUIRED_LIBRARIES "bsd")
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unset(HAVE_ARC4RANDOM CACHE)
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check_symbol_exists(arc4random "bsd/stdlib.h" HAVE_ARC4RANDOM)
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if (NOT HAVE_ARC4RANDOM)
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list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES "bsd")
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endif()
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endif()
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endif()
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endif()
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@@ -201,7 +221,7 @@ endif()
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if (HAVE_SYS_RANDOM_H)
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check_symbol_exists(getrandom "sys/random.h" HAVE_GETRANDOM)
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endif()
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if (HAVE_SYS_RESOURCE_H)
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if (HAVE_SYS_RESOURCE_H AND NOT AMIGA)
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check_symbol_exists(getrusage "sys/resource.h" HAVE_GETRUSAGE)
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endif()
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@@ -298,6 +318,9 @@ if ("${CMAKE_C_COMPILER_FRONTEND_VARIANT}" STREQUAL "GNU" OR "${CMAKE_C_COMPILER
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if ("${DISABLE_WERROR}" STREQUAL "OFF")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
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endif()
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if (AMIGA_M68K)
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fbaserel")
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endif()
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wcast-qual")
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set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error=deprecated-declarations")
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43
README.md
43
README.md
@@ -12,8 +12,9 @@ json-c
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5. [Testing](#testing)
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6. [Building with `vcpkg`](#buildvcpkg)
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7. [Building for Android](#android)
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7. [Linking to libjson-c](#linking)
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8. [Using json-c](#using)
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8. [Building for Commodore Amiga](#amiga)
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9. [Linking to libjson-c](#linking)
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10. [Using json-c](#using)
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<a name="overview"></a>
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JSON-C - A JSON implementation in C
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@@ -270,6 +271,44 @@ cmake \
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make install
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```
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<a name="amiga"></a>
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Building for Commodore Amiga
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----------------------
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Building for Commodore Amiga is supported for both Motorola 68k (AmigaOS 3) and PowerPC (AmigaOS 4) architectures. You can set up a cross compiler locally, however it is much easier to use the already preconfigured Amiga development environment wtthin a Docker container.
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Install Docker on your machine if you don't already have it. You can download Docker Desktop for Windows/macOS/Linux [here](https://www.docker.com/products/docker-desktop/).
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To build for Motorola 68k Amiga:
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```
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mkdir json-c-build
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docker run --rm \
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-v ${PWD}:/work \
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-e USER=$( id -u ) -e GROUP=$( id -g ) \
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-it sacredbanana/amiga-compiler:m68k-amigaos bash
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cd json-c-build
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cmake ..
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make
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```
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libjson-c.a will get created in the json-c-build directory.
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To build for PowerPC Amiga:
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```
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mkdir json-c-build
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docker run --rm \
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-v ${PWD}:/work \
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-e USER=$( id -u ) -e GROUP=$( id -g ) \
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-it sacredbanana/amiga-compiler:ppc-amigaos bash
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cd json-c-build
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cmake ..
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make
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```
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libjson-c.a will get created in the json-c-build directory.
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<a name="linking"></a>
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Linking to `libjson-c`
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----------------------
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@@ -95,7 +95,7 @@ endif() # end "standalone mode" block
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# ---------------------------------
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check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H) # for getrusage
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if (HAVE_SYS_RESOURCE_H)
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if (HAVE_SYS_RESOURCE_H AND NOT AMIGA)
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check_symbol_exists(getrusage "sys/resource.h" HAVE_GETRUSAGE)
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endif()
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