DM-40743: Clean up build and use cmake

.gitignore

@@ -1,29 +1,10 @@
-Makefile
-config.h
-config.status
-libtool
-man/Makefile
-psfex.spec
-src/.deps/
-src/Makefile
-src/fits/.deps/
-src/fits/Makefile
-src/levmar/.deps/
-src/levmar/Makefile
-src/wcs/.deps/
-src/wcs/Makefile
-stamp-h1
-autom4te.cache/
-src/fits/libfits.a
-src/levmar/liblevmar.a
-src/psfex
-src/wcs/libwcs_c.a
-man/psfex.1
-
 # Produced by scons, in building the library
 .sconf_temp/
 .sconsign.dblite
 *.os
 python/astromatic/psfex/version.py*
 lib/libpsfex.so
 ups/psfex.cfgc
+
+# Convention for out-of-source CMake builds
+build

CMakeLists.txt

@@ -0,0 +1,79 @@
+cmake_minimum_required(VERSION 3.5)
+
+project(psfex VERSION "3.0.0" LANGUAGES C CXX)
+
+set(DEFAULT_BUILD_TYPE "Release")
+
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  message(STATUS "Setting build type to '${DEFAULT_BUILD_TYPE}' as none was specified.")
+  set(CMAKE_BUILD_TYPE "${DEFAULT_BUILD_TYPE}" CACHE STRING "Choose the type of build." FORCE)
+  # Set the possible values of build type for cmake-gui
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()
+
+include(GNUInstallDirs)
+
+find_library(FFTW3 fftw3 REQUIRED)
+
+find_package(GSL REQUIRED)
+
+set(SOURCE_FILES
+    src/fits/fitsmisc.c
+    src/levmar/Axb.c
+    src/levmar/lm.c
+    src/levmar/lmbc.c
+    src/levmar/lmblec.c
+    src/levmar/lmbleic.c
+    src/levmar/lmlec.c
+    src/levmar/misc.c
+    src/wcs/poly.c
+    src/context.c
+    src/diagnostic.c
+    src/dummies.c
+    src/fft.c
+    src/field_utils.c
+    src/field.c
+    src/homo.c
+    src/lapack_stub.cc
+    src/makeit2.c
+    src/misc.c
+    src/pca.c
+    src/prefs.c
+    src/psf.c
+    src/sample_utils.c
+    src/vignet.c
+    src/wcs_utils.c
+    src/xml.c
+)
+
+add_library(${PROJECT_NAME} STATIC ${SOURCE_FILES})
+set_property(TARGET ${PROJECT_NAME} PROPERTY C_STANDARD 99)
+target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wno-unknown-pragmas -Wno-unused-local-typedefs)
+
+target_include_directories(${PROJECT_NAME}
+    PUBLIC
+        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
+        $<INSTALL_INTERFACE:src>
+    PRIVATE
+        src
+        ${FFTW3_INCLUDE})
+
+target_link_libraries(${PROJECT_NAME}
+    PRIVATE
+        GSL::gslcblas
+        fftw3 fftw3f)
+
+set_target_properties(${PROJECT_NAME} PROPERTIES
+    VERSION ${PROJECT_VERSION}
+    POSITION_INDEPENDENT_CODE ON)
+
+install(TARGETS ${PROJECT_NAME}
+  ARCHIVE DESTINATION "${CMAKE_INSTALL_PREFIX}/lib"
+)
+
+install(DIRECTORY "${CMAKE_SOURCE_DIR}/src/"
+        DESTINATION "${CMAKE_INSTALL_PREFIX}/include"
+        FILES_MATCHING
+        PATTERN "*.h"
+)
+