forked from OSchip/llvm-project
279 lines
7.5 KiB
CMake
279 lines
7.5 KiB
CMake
# External: Integer Set Library
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set(ISL_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/isl")
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set(ISL_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/isl")
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# Determine version of isl
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if (EXISTS "${ISL_SOURCE_DIR}/GIT_HEAD_ID")
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# The source comes from a 'make dist' archive
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file(READ "${ISL_SOURCE_DIR}/GIT_HEAD_ID" GIT_HEAD_ID)
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string(STRIP "${GIT_HEAD_ID}" GIT_HEAD_ID)
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elseif (EXISTS "${ISL_SOURCE_DIR}/gitversion.h")
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# The source directory is preconfigured
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file(READ "${ISL_SOURCE_DIR}/gitversion.h" GITVERSION_H)
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string(REGEX REPLACE ".*\\\"([^\\\"]*)\\\".*" "\\1" GIT_HEAD_ID "${GITVERSION_H}")
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elseif ()
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# Unknown revision
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# TODO: We could look for a .git and get the revision from HEAD
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set(GIT_HEAD_ID "UNKNOWN")
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endif ()
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message(STATUS "ISL version: ${GIT_HEAD_ID}")
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# Enable small integer optimization and imath
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set(USE_GMP_FOR_MP OFF)
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set(USE_IMATH_FOR_MP ON)
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set(USE_SMALL_INT_OPT ON)
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# Determine compiler characteristics
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include(CheckCSourceCompiles)
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# Like check_c_source_compiles, but sets the result to either
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# 0 (error while compiling) or 1 (compiled successfully)
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# Required for compatibility with autotool's AC_CHECK_DECLS
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function (check_c_source_compiles_numeric _prog _var)
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check_c_source_compiles("${_prog}" "${_var}")
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if ("${${_var}}")
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set("${_var}" 1 PARENT_SCOPE)
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else ()
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set("${_var}" 0 PARENT_SCOPE)
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endif ()
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endfunction ()
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# Check for the existance of a type
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function (check_c_type_exists _type _files _variable)
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set(_includes "")
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foreach (file_name ${_files})
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set(_includes "${_includes}#include<${file_name}>\n")
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endforeach()
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check_c_source_compiles("
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${_includes}
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${_type} typeVar;
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int main() {
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return 0;
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}
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" ${_variable})
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endfunction ()
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check_c_source_compiles("
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int func(void) __attribute__((__warn_unused_result__));
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int main() { return 0; }
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" HAS_ATTRIBUTE_WARN_UNUSED_RESULT)
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set(GCC_WARN_UNUSED_RESULT)
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if (HAS_ATTRIBUTE_WARN_UNUSED_RESULT)
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set(GCC_WARN_UNUSED_RESULT "__attribute__((__warn_unused_result__))")
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endif ()
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check_c_source_compiles("
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static void foo(void) __attribute__ ((unused));
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int main() { return 0; }
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" HAVE___ATTRIBUTE__)
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check_c_source_compiles_numeric("
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#include <strings.h>
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int main() { (void)ffs(0); return 0; }
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" HAVE_DECL_FFS)
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check_c_source_compiles_numeric("
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int main() { __builtin_ffs(0); return 0; }
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" HAVE_DECL___BUILTIN_FFS)
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check_c_source_compiles_numeric("
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#include <intrin.h>
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int main() { _BitScanForward(NULL, 0); return 0; }
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" HAVE_DECL__BITSCANFORWARD)
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if (NOT HAVE_DECL_FFS AND
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NOT HAVE_DECL___BUILTIN_FFS AND
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NOT HAVE_DECL__BITSCANFORWARD)
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message(FATAL_ERROR "No ffs implementation found")
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endif ()
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check_c_source_compiles_numeric("
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#include <strings.h>
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int main() { (void)strcasecmp(\"\", \"\"); return 0; }
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" HAVE_DECL_STRCASECMP)
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check_c_source_compiles_numeric("
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#include <string.h>
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int main() { _stricmp(\"\", \"\"); return 0; }
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" HAVE_DECL__STRICMP)
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if (NOT HAVE_DECL_STRCASECMP AND NOT HAVE_DECL__STRICMP)
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message(FATAL_ERROR "No strcasecmp implementation found")
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endif ()
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check_c_source_compiles_numeric("
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#include <strings.h>
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int main() { (void)strncasecmp(\"\", \"\", 0); return 0; }
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" HAVE_DECL_STRNCASECMP)
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check_c_source_compiles_numeric("
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#include <string.h>
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int main() { _strnicmp(\"\", \"\", 0); return 0; }
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" HAVE_DECL__STRNICMP)
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if (NOT HAVE_DECL_STRNCASECMP AND NOT HAVE_DECL__STRNICMP)
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message(FATAL_ERROR "No strncasecmp implementation found")
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endif ()
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check_c_source_compiles_numeric("
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#include <stdio.h>
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int main() { snprintf((void*)0, 0, \"\"); return 0; }
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" HAVE_DECL_SNPRINTF)
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check_c_source_compiles_numeric("
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#include <stdio.h>
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int main() { _snprintf((void*)0, 0, \"\"); return 0; }
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" HAVE_DECL__SNPRINTF)
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if (NOT HAVE_DECL_SNPRINTF AND NOT HAVE_DECL__SNPRINTF)
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message(FATAL_ERROR "No snprintf implementation found")
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endif ()
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check_c_type_exists(uint8_t "" HAVE_UINT8T)
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check_c_type_exists(uint8_t "stdint.h" HAVE_STDINT_H)
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check_c_type_exists(uint8_t "inttypes.h" HAVE_INTTYPES_H)
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check_c_type_exists(uint8_t "sys/types.h" HAVE_SYS_INTTYPES_H)
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if (HAVE_UINT8T)
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set(INCLUDE_STDINT_H "")
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elseif (HAVE_STDINT_H)
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set(INCLUDE_STDINT_H "#include <stdint.h>")
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elseif (HAVE_INTTYPES_H)
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set(INCLUDE_STDINT_H "#include <inttypes.h>")
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elseif (HAVE_SYS_INTTYPES_H)
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set(INCLUDE_STDINT_H "#include <sys/inttypes.h>")
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else ()
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message(FATAL_ERROR "No stdint.h or compatible found")
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endif ()
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# Write configure result
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# configure_file(... COPYONLY) avoids that the time stamp changes if the file is identical
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file(WRITE "${ISL_BINARY_DIR}/gitversion.h.tmp"
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"#define GIT_HEAD_ID \"${GIT_HEAD_ID}\"")
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configure_file("${ISL_BINARY_DIR}/gitversion.h.tmp"
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"${ISL_BINARY_DIR}/gitversion.h" COPYONLY)
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file(WRITE "${ISL_BINARY_DIR}/include/isl/stdint.h.tmp"
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"${INCLUDE_STDINT_H}\n")
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configure_file("${ISL_BINARY_DIR}/include/isl/stdint.h.tmp"
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"${ISL_BINARY_DIR}/include/isl/stdint.h" COPYONLY)
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configure_file("isl_config.h.cmake" "${ISL_BINARY_DIR}/isl_config.h")
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include_directories(BEFORE
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${ISL_BINARY_DIR}
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${ISL_SOURCE_DIR}/imath
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${ISL_SOURCE_DIR}/include
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${ISL_SOURCE_DIR}
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)
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# ISL files to compile
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set (ISL_FILES
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isl/basis_reduction_tab.c
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isl/isl_aff.c
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isl/isl_affine_hull.c
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isl/isl_arg.c
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isl/isl_ast_build.c
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isl/isl_ast_build_expr.c
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isl/isl_ast.c
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isl/isl_ast_codegen.c
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isl/isl_ast_graft.c
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isl/isl_band.c
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isl/isl_bernstein.c
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isl/isl_blk.c
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isl/isl_bound.c
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isl/isl_coalesce.c
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isl/isl_constraint.c
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isl/isl_convex_hull.c
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isl/isl_ctx.c
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isl/isl_deprecated.c
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isl/isl_dim_map.c
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isl/isl_equalities.c
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isl/isl_factorization.c
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isl/isl_farkas.c
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isl/isl_ffs.c
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isl/isl_flow.c
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isl/isl_fold.c
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isl/isl_hash.c
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isl/isl_id.c
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isl/isl_id_to_ast_expr.c
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isl/isl_id_to_pw_aff.c
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isl/isl_ilp.c
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isl/isl_imath.c
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isl/isl_input.c
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isl/isl_int_sioimath.c
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isl/isl_local_space.c
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isl/isl_lp.c
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isl/isl_map.c
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isl/isl_map_list.c
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isl/isl_map_simplify.c
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isl/isl_map_subtract.c
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isl/isl_map_to_basic_set.c
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isl/isl_mat.c
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isl/isl_morph.c
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isl/isl_obj.c
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isl/isl_options.c
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isl/isl_output.c
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isl/isl_point.c
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isl/isl_polynomial.c
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isl/isl_printer.c
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isl/isl_range.c
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isl/isl_reordering.c
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isl/isl_sample.c
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isl/isl_scan.c
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isl/isl_schedule.c
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isl/isl_schedule_band.c
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isl/isl_schedule_node.c
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isl/isl_schedule_read.c
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isl/isl_schedule_tree.c
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isl/isl_scheduler.c
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isl/isl_seq.c
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isl/isl_set_list.c
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isl/isl_sort.c
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isl/isl_space.c
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isl/isl_stream.c
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isl/isl_tab.c
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isl/isl_tab_pip.c
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isl/isl_tarjan.c
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isl/isl_transitive_closure.c
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isl/isl_union_map.c
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isl/isl_val.c
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isl/isl_val_sioimath.c
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isl/isl_vec.c
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isl/isl_version.c
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isl/isl_vertices.c
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isl/print.c
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isl/imath/gmp_compat.c
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isl/imath/imath.c
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isl/imath/imrat.c
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)
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add_polly_library(PollyISL FORCE_STATIC
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${ISL_FILES}
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)
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# ISL requires at least C99 to compile. gcc < 5.0 use -std=gnu89 as default.
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target_enable_c99(PollyISL)
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# Define the FLAGS for the compilation of isl and imath
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#
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# We first set the visibility of all isl functions to hidden to ensure we do
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# not clash with other isl versions that got linked into a program that uses
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# Polly. (This happens e.g when linking Polly with dragonegg)
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#
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# This is the reason for the FORCE_STATIC flag above; without it, not even Polly
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# could access ISL's symbols in shared library builds.
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#
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# We also disable warnings which should be coped with upstream.
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if (NOT MSVC)
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set_target_properties(PollyISL PROPERTIES
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COMPILE_FLAGS "-fvisibility=hidden -w"
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)
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endif ()
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