1AC_INIT([isl], [0.12.2], [isl-development@googlegroups.com])
2AC_CONFIG_AUX_DIR([.])
3AC_CONFIG_MACRO_DIR([m4])
4AM_INIT_AUTOMAKE([foreign])
5m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
6AC_SUBST(versioninfo)
7versioninfo=12:2:2
8
9if test "x$prefix" != "xNONE"; then
10	prefix_wd=`cd $prefix && pwd`
11	srcdir_wd=`cd $srcdir && pwd`
12	wd=`pwd`
13	if test "x$prefix_wd" = "x$srcdir_wd"; then
14		AC_MSG_ERROR(Installation in source directory not supported)
15	fi
16	if test "x$prefix_wd" = "x$wd"; then
17		AC_MSG_ERROR(Installation in build directory not supported)
18	fi
19fi
20
21AC_PROG_CC
22AC_PROG_CXX
23
24AX_CC_MAXOPT
25AX_GCC_WARN_UNUSED_RESULT
26AX_C___ATTRIBUTE__
27
28AC_PROG_LIBTOOL
29
30AC_CHECK_PROG(PERL, perl, perl, [])
31AC_CHECK_PROG(PDFLATEX, pdflatex, pdflatex, [])
32AC_CHECK_PROG(POD2HTML, pod2html, pod2html, [])
33
34AM_CONDITIONAL(GENERATE_DOC, test -n "$PERL" -a -n "$PDFLATEX" -a -n "$POD2HTML")
35
36AX_CREATE_STDINT_H(include/isl/stdint.h)
37
38AX_SUBMODULE(gmp,system|build,system)
39
40AC_SUBST(GMP_CPPFLAGS)
41AC_SUBST(GMP_LDFLAGS)
42AC_SUBST(GMP_LIBS)
43case "$with_gmp" in
44system)
45	if test "x$with_gmp_prefix" != "x"; then
46		isl_configure_args="$isl_configure_args --with-gmp=$with_gmp_prefix"
47		GMP_CPPFLAGS="-I$with_gmp_prefix/include"
48		GMP_LDFLAGS="-L$with_gmp_prefix/lib"
49	fi
50	GMP_LIBS=-lgmp
51	SAVE_CPPFLAGS="$CPPFLAGS"
52	SAVE_LDFLAGS="$LDFLAGS"
53	SAVE_LIBS="$LIBS"
54	CPPFLAGS="$GMP_CPPFLAGS $CPPFLAGS"
55	LDFLAGS="$GMP_LDFLAGS $LDFLAGS"
56	LIBS="$GMP_LIBS $LIBS"
57	AC_CHECK_HEADER([gmp.h], [], [AC_ERROR([gmp.h header not found])])
58	AC_CHECK_LIB([gmp], [main], [], [AC_ERROR([gmp library not found])])
59	AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <gmp.h>]], [[
60		mpz_t n, d;
61		if (mpz_divisible_p(n, d))
62			mpz_divexact_ui(n, n, 4);
63	]])], [], [AC_ERROR([gmp library too old])])
64	CPPFLAGS="$SAVE_CPPFLAGS"
65	LDFLAGS="$SAVE_LDFLAGS"
66	LIBS="$SAVE_LIBS"
67	;;
68build)
69	GMP_CPPFLAGS="-I$gmp_srcdir -I$with_gmp_builddir"
70	GMP_LIBS="$with_gmp_builddir/libgmp.la"
71	;;
72esac
73SAVE_CPPFLAGS="$CPPFLAGS"
74SAVE_LDFLAGS="$LDFLAGS"
75SAVE_LIBS="$LIBS"
76CPPFLAGS="$GMP_CPPFLAGS $CPPFLAGS"
77LDFLAGS="$GMP_LDFLAGS $LDFLAGS"
78LIBS="$GMP_LIBS $LIBS"
79need_get_memory_functions=false
80AC_CHECK_DECLS(mp_get_memory_functions,[],[
81	need_get_memory_functions=true
82],[#include <gmp.h>])
83AC_RUN_IFELSE([AC_LANG_PROGRAM([[#include <gmp.h>]], [[
84	mpz_t x,y,g,a,b;
85	mpz_init(x);
86	mpz_init(y);
87	mpz_init(g);
88	mpz_init(a);
89	mpz_init(b);
90	mpz_set_si(x, -1);
91	mpz_set_si(y, 9);
92	mpz_gcdext(g, a, b, x, y);
93	if (mpz_get_si(a) == -1 && mpz_get_si(b) == 0)
94		return 0;
95	else
96		return 1;
97]])], [need_normalized_gcdext=false], [need_normalized_gcdext=true],
98[need_normalized_gcdext=true])
99CPPFLAGS="$SAVE_CPPFLAGS"
100LDFLAGS="$SAVE_LDFLAGS"
101LIBS="$SAVE_LIBS"
102AM_CONDITIONAL(NEED_GET_MEMORY_FUNCTIONS, test x$need_get_memory_functions = xtrue)
103if test $need_normalized_gcdext = true; then
104AC_DEFINE([GMP_NORMALIZE_GCDEXT], [],
105	[result of mpz_gcdext needs to be normalized])
106fi
107AC_CHECK_DECLS(ffs,[],[],[#include <strings.h>])
108AC_CHECK_DECLS(__builtin_ffs,[],[],[])
109
110AX_SUBMODULE(piplib,no|system|build,no)
111
112have_piplib=false
113AC_SUBST(PIPLIB_CPPFLAGS)
114AC_SUBST(PIPLIB_LDFLAGS)
115AC_SUBST(PIPLIB_LIBS)
116case "$with_piplib" in
117	build)
118		PIPLIB_CPPFLAGS="-I$piplib_srcdir/include"
119		PIPLIB_LIBS="$with_piplib_builddir/libpiplibMP.la"
120	;;
121	system)
122		PIPLIB_LIBS="-lpiplibMP"
123		if test "x$with_piplib_prefix" != "x"; then
124			PIPLIB_CPPFLAGS="-I$with_piplib_prefix/include"
125			PIPLIB_LDFLAGS="-L$with_piplib_prefix/lib"
126		fi
127		SAVE_CPPFLAGS="$CPPFLAGS"
128		SAVE_LDFLAGS="$LDFLAGS"
129		CPPFLAGS="$PIPLIB_CPPFLAGS $CPPFLAGS"
130		LDFLAGS="$PIPLIB_LDFLAGS $LDFLAGS"
131		AC_CHECK_LIB(piplibMP, pip_solve,[
132			AC_CHECK_MEMBER(PipOptions.Urs_parms, [], [
133				AC_MSG_ERROR([Piplib too old; please install version 1.3.6 or newer])
134			],[#include <piplib/piplibMP.h>])
135		],[
136			AC_MSG_ERROR([Piplib not found])
137		])
138		CPPFLAGS="$SAVE_CPPFLAGS"
139		LDFLAGS="$SAVE_LDFLAGS"
140	;;
141	no)
142	;;
143	*)
144		AC_MSG_ERROR(unsupported)
145	;;
146esac
147if test "$with_piplib" != "no"; then
148	AC_DEFINE(ISL_PIPLIB,,piplib is available)
149	have_piplib=true
150fi
151AM_CONDITIONAL(HAVE_PIPLIB, test x$have_piplib = xtrue)
152
153AC_SUBST(CLANG_CXXFLAGS)
154AC_SUBST(CLANG_LDFLAGS)
155AC_SUBST(CLANG_LIBS)
156AX_SUBMODULE(clang,system|no,no)
157case "$with_clang" in
158system)
159	AC_PROG_GREP
160	llvm_config="llvm-config"
161	AC_CHECK_PROG([llvm_config_found], ["$llvm_config"], [yes])
162	if test "x$with_clang_prefix" != "x"; then
163		llvm_config="$with_clang_prefix/bin/llvm-config"
164		if test -x "$llvm_config"; then
165			llvm_config_found=yes
166		fi
167	fi
168	if test "$llvm_config_found" != yes; then
169		AC_MSG_ERROR([llvm-config not found])
170	fi
171	CLANG_CXXFLAGS=`$llvm_config --cxxflags`
172	CLANG_LDFLAGS=`$llvm_config --ldflags`
173	targets=`$llvm_config --targets-built`
174	components="$targets asmparser bitreader support mc"
175	$llvm_config --components | $GREP option > /dev/null 2> /dev/null
176	if test $? -eq 0; then
177		components="$components option"
178	fi
179	CLANG_LIBS=`$llvm_config --libs $components`
180	CLANG_PREFIX=`$llvm_config --prefix`
181	AC_DEFINE_UNQUOTED(CLANG_PREFIX, ["$CLANG_PREFIX"],
182				[Clang installation prefix])
183
184	SAVE_CPPFLAGS="$CPPFLAGS"
185	CPPFLAGS="$CLANG_CXXFLAGS $CPPFLAGS"
186	AC_LANG_PUSH(C++)
187	AC_CHECK_HEADER([clang/Basic/SourceLocation.h], [],
188		[AC_ERROR([clang header file not found])])
189	AC_EGREP_HEADER([getDefaultTargetTriple], [llvm/Support/Host.h], [],
190		[AC_DEFINE([getDefaultTargetTriple], [getHostTriple],
191		[Define to getHostTriple for older versions of clang])])
192	AC_EGREP_HEADER([getExpansionLineNumber],
193		[clang/Basic/SourceLocation.h], [],
194		[AC_DEFINE([getExpansionLineNumber],
195			[getInstantiationLineNumber],
196	    [Define to getInstantiationLineNumber for older versions of clang])])
197	AC_EGREP_HEADER([DiagnosticsEngine],
198		[clang/Basic/Diagnostic.h], [],
199		[AC_DEFINE([DiagnosticsEngine],
200			[Diagnostic],
201	    [Define to Diagnostic for older versions of clang])])
202	AC_EGREP_HEADER([ArrayRef], [clang/Driver/Driver.h],
203		[AC_DEFINE([USE_ARRAYREF], [],
204			[Define if Driver::BuildCompilation takes ArrayRef])])
205	AC_EGREP_HEADER([CXXIsProduction], [clang/Driver/Driver.h],
206		[AC_DEFINE([HAVE_CXXISPRODUCTION], [],
207		[Define if Driver constructor takes CXXIsProduction argument])])
208	AC_EGREP_HEADER([ IsProduction], [clang/Driver/Driver.h],
209		[AC_DEFINE([HAVE_ISPRODUCTION], [],
210		[Define if Driver constructor takes IsProduction argument])])
211	AC_EGREP_HEADER([void HandleTopLevelDecl\(], [clang/AST/ASTConsumer.h],
212		[AC_DEFINE([HandleTopLevelDeclReturn], [void],
213			   [Return type of HandleTopLevelDeclReturn])
214		 AC_DEFINE([HandleTopLevelDeclContinue], [],
215			   [Return type of HandleTopLevelDeclReturn])],
216		[AC_DEFINE([HandleTopLevelDeclReturn], [bool],
217			   [Return type of HandleTopLevelDeclReturn])
218		 AC_DEFINE([HandleTopLevelDeclContinue], [true],
219			   [Return type of HandleTopLevelDeclReturn])])
220	AC_CHECK_HEADER([clang/Basic/DiagnosticOptions.h],
221		[AC_DEFINE([HAVE_BASIC_DIAGNOSTICOPTIONS_H], [],
222			   [Define if clang/Basic/DiagnosticOptions.h exists])])
223	AC_TRY_COMPILE([#include <clang/Basic/TargetInfo.h>], [
224		using namespace clang;
225		TargetOptions *TO;
226		DiagnosticsEngine *Diags;
227		TargetInfo::CreateTargetInfo(*Diags, TO);
228	], [AC_DEFINE([CREATETARGETINFO_TAKES_POINTER], [],
229		      [Define if TargetInfo::CreateTargetInfo takes pointer])])
230	AC_TRY_COMPILE([#include <clang/Frontend/CompilerInstance.h>], [
231		using namespace clang;
232		DiagnosticConsumer *client;
233		CompilerInstance *Clang;
234		Clang->createDiagnostics(client);
235	], [], [AC_DEFINE([CREATEDIAGNOSTICS_TAKES_ARG], [],
236	[Define if CompilerInstance::createDiagnostics takes argc and argv])])
237	AC_TRY_COMPILE([#include <clang/Lex/HeaderSearchOptions.h>], [
238		using namespace clang;
239		HeaderSearchOptions HSO;
240		HSO.AddPath("", frontend::Angled, false, false);
241	], [AC_DEFINE([ADDPATH_TAKES_4_ARGUMENTS], [],
242		[Define if HeaderSearchOptions::AddPath takes 4 arguments])])
243	AC_LANG_POP
244	CPPFLAGS="$SAVE_CPPFLAGS"
245
246	SAVE_LDFLAGS="$LDFLAGS"
247	LDFLAGS="$CLANG_LDFLAGS $LDFLAGS"
248	AC_SUBST(LIB_CLANG_EDIT)
249	AC_CHECK_LIB([clangEdit], [main], [LIB_CLANG_EDIT=-lclangEdit], [])
250	LDFLAGS="$SAVE_LDFLAGS"
251	;;
252esac
253AM_CONDITIONAL(HAVE_CLANG, test $with_clang = system)
254
255AX_SET_WARNING_FLAGS
256
257AC_SUBST(WARNING_FLAGS)
258
259PACKAGE_CFLAGS="$GMP_CPPFLAGS"
260PACKAGE_LDFLAGS="$GMP_LDFLAGS"
261PACKAGE_LIBS="-lisl -lgmp"
262AX_CREATE_PKGCONFIG_INFO
263
264AX_DETECT_GIT_HEAD
265echo '#define GIT_HEAD_ID "'$GIT_HEAD_ID'"' > gitversion.h
266
267AH_BOTTOM([#include <isl_config_post.h>])
268AC_CONFIG_HEADERS(isl_config.h)
269AC_CONFIG_HEADERS(include/isl/config.h)
270AC_CONFIG_FILES(Makefile)
271AC_CONFIG_FILES(doc/Makefile)
272if test $with_clang = system; then
273	AC_CONFIG_FILES(interface/Makefile)
274fi
275AC_CONFIG_FILES([bound_test.sh], [chmod +x bound_test.sh])
276AC_CONFIG_FILES([codegen_test.sh], [chmod +x codegen_test.sh])
277AC_CONFIG_FILES([pip_test.sh], [chmod +x pip_test.sh])
278AC_CONFIG_COMMANDS_POST([
279	dnl pass on arguments to subdir configures, but don't
280	dnl add them to config.status
281	ac_configure_args="$ac_configure_args $isl_configure_args"
282])
283AC_OUTPUT
284