From 67fb7bb61705fdbe4b0822925c7559d6d52b3504 Mon Sep 17 00:00:00 2001
From: Sandro Mani <manisandro@gmail.com>
Date: Thu, 24 Feb 2022 16:24:26 +0100
Subject: [PATCH] Add CMakeLists.txt

---
 CMakeLists.txt | 141 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..b69a03d
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,141 @@
+cmake_minimum_required(VERSION 2.6.0)
+
+project(giflib C)
+
+SET(BUILD_STATIC_LIBS OFF CACHE BOOL "Whether to also build static libs")
+
+execute_process(COMMAND ./getversion
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+    OUTPUT_VARIABLE VERSION
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+)
+
+set(LIBMAJOR 7)
+set(LIBMINOR 1)
+set(LIBPOINT 0)
+set(LIBVER "${LIBMAJOR}.${LIBMINOR}.${LIBPOINT}")
+
+set(giflib_SRC
+    dgif_lib.c
+    egif_lib.c
+    getarg.c
+    gifalloc.c
+    gif_err.c
+    gif_font.c
+    gif_hash.c
+    openbsd-reallocarray.c
+    qprintf.c
+    quantize.c
+)
+
+# Some utilities are installed
+set(giflib_INSTALLABLE
+    gif2rgb
+    gifbuild
+    giffix
+    giftext
+    giftool
+    gifclrmp
+)
+
+# Some utilities are only used internally for testing.
+# There is a parallel list in doc/Makefile.
+# These are all candidates for removal in future releases.
+set(giflib_UTILS
+    ${giflib_INSTALLABLE}
+    gifbg
+    gifcolor
+    gifecho
+    giffilter
+    gifhisto
+    gifinto
+    gifwedge
+)
+
+file(GLOB giflib_MAN doc/*.1)
+
+### Build library / tools
+
+add_library(gif SHARED ${giflib_SRC})
+target_link_libraries(gif m)
+set_target_properties(gif PROPERTIES VERSION ${LIBVER} SOVERSION ${LIBMAJOR})
+if(WIN32)
+    set_target_properties(gif PROPERTIES SUFFIX "-${LIBMAJOR}${CMAKE_SHARED_LIBRARY_SUFFIX}")
+endif(WIN32)
+
+if(${BUILD_STATIC_LIBS})
+    add_library(gif_static STATIC ${giflib_SRC})
+    set_target_properties(gif_static PROPERTIES OUTPUT_NAME gif)
+endif(${BUILD_STATIC_LIBS})
+
+
+foreach(UTILITY ${giflib_UTILS})
+    add_executable(${UTILITY} ${UTILITY}.c)
+    target_link_libraries(${UTILITY} gif)
+endforeach()
+
+### Installation
+
+install(TARGETS gif
+    RUNTIME DESTINATION bin
+    ARCHIVE DESTINATION lib${LIB_SUFFIX}
+    LIBRARY DESTINATION lib${LIB_SUFFIX}
+)
+
+if(${BUILD_STATIC_LIBS})
+    install(TARGETS gif_static ARCHIVE DESTINATION lib${LIB_SUFFIX})
+endif(${BUILD_STATIC_LIBS})
+
+foreach(UTILITY ${giflib_UTILS})
+    install(TARGETS ${UTILITY} DESTINATION bin)
+endforeach()
+
+install(FILES gif_lib.h DESTINATION include)
+install(FILES ${giflib_MAN} DESTINATION ${CMAKE_INSTALL_PREFIX}/share/man/man1)
+
+
+### Distribution tarball
+set(giflib_DIST
+    *.c
+    *.h
+    README
+    NEWS
+    TODO
+    COPYING
+    getversion
+    ChangeLog
+    CMakeLists.txt
+    build.adoc
+    history.adoc
+    control
+    doc/whatsinagif
+    doc/*.1
+    doc/*.xml
+    doc/*.txt
+    doc/index.html.in
+    doc/00README
+    doc/Makefile
+    tests
+    pic
+)
+# We include all of the XML, and also generated manual pages
+# so people working from the distribution tarball won't need xmlto.
+add_custom_target(dist-gz
+    COMMAND tar --transform='s:^:giflib-${VERSION}/:' -czf giflib-${VERSION}.tar.gz ${giflib_DIST}
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+)
+
+add_custom_target(dist-bz2
+    COMMAND tar --transform='s:^:giflib-${VERSION}/:' -cjf giflib-${VERSION}.tar.bz2 ${giflib_DIST}
+    WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
+)
+
+add_custom_target(dist DEPENDS dist-gz DEPENDS dist-bz2)
+
+
+### Auditing tools
+
+# cppcheck should run clean
+add_custom_target(cppcheck
+    COMMAND cppcheck --inline-suppr --template gcc --enable=all --suppress=unusedFunction --force *.[ch]
+)