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7c673cae FG |
1 | # -*- Autoconf -*- |
2 | # Process this file with autoconf to produce a configure script. | |
3 | ||
4 | AC_PREREQ(2.69) | |
5 | AC_INIT([libisal], | |
224ce89b | 6 | [2.18.0], |
7c673cae FG |
7 | [sg.support.isal@intel.com], |
8 | [isa-l], | |
9 | [http://01.org/storage-acceleration-library]) | |
10 | AC_CONFIG_SRCDIR([]) | |
11 | AC_CONFIG_AUX_DIR([build-aux]) | |
12 | AM_INIT_AUTOMAKE([ | |
13 | foreign | |
14 | 1.11 | |
15 | -Wall | |
16 | -Wno-portability | |
17 | silent-rules | |
18 | tar-pax | |
19 | no-dist-gzip | |
20 | dist-xz | |
21 | subdir-objects | |
22 | ]) | |
23 | AM_PROG_AS | |
24 | ||
224ce89b WB |
25 | AC_CANONICAL_HOST |
26 | CPU="" | |
27 | AS_CASE([$host_cpu], | |
28 | [x86_64], [CPU="x86_64"], | |
29 | [amd64], [CPU="x86_64"], | |
30 | [i?86], [CPU="x86_32"], | |
31 | ) | |
32 | AM_CONDITIONAL([CPU_X86_64], [test "$CPU" = "x86_64"]) | |
33 | AM_CONDITIONAL([CPU_X86_32], [test "$CPU" = "x86_32"]) | |
34 | AM_CONDITIONAL([CPU_UNDEFINED], [test "x$CPU" = "x"]) | |
35 | ||
7c673cae FG |
36 | # Check for programs |
37 | AC_PROG_CC_STDC | |
38 | AC_USE_SYSTEM_EXTENSIONS | |
39 | AM_SILENT_RULES([yes]) | |
40 | LT_INIT | |
41 | AC_PREFIX_DEFAULT([/usr]) | |
42 | AC_PROG_SED | |
43 | AC_PROG_MKDIR_P | |
44 | ||
45 | # Options | |
46 | AC_ARG_ENABLE([debug], | |
47 | AS_HELP_STRING([--enable-debug], [enable debug messages @<:@default=disabled@:>@]), | |
48 | [], [enable_debug=no]) | |
49 | AS_IF([test "x$enable_debug" = "xyes"], [ | |
50 | AC_DEFINE(ENABLE_DEBUG, [1], [Debug messages.]) | |
51 | ]) | |
52 | ||
53 | # Check for yasm and yasm features | |
54 | AC_CHECK_PROG(HAVE_YASM, yasm, yes, no) | |
55 | if test "$HAVE_YASM" = "no"; then | |
56 | AC_MSG_RESULT([no yasm]) | |
57 | else | |
58 | AC_MSG_CHECKING([for modern yasm]) | |
59 | AC_LANG_CONFTEST([AC_LANG_SOURCE([[vmovdqa %xmm0, %xmm1;]])]) | |
60 | if yasm -f elf64 -p gas conftest.c ; then | |
61 | with_modern_yasm=yes | |
62 | AC_MSG_RESULT([yes]) | |
63 | AC_MSG_CHECKING([for optional yasm AVX512 support]) | |
64 | AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpshufb %zmm0, %zmm1, %zmm2;]])]) | |
65 | if yasm -f elf64 -p gas conftest.c 2> /dev/null; then | |
66 | yasm_knows_avx512=yes | |
67 | AC_MSG_RESULT([yes]) | |
68 | else | |
69 | AC_MSG_RESULT([no]) | |
70 | fi | |
71 | else | |
72 | AC_MSG_FAILURE([no]) | |
73 | fi | |
74 | fi | |
75 | ||
76 | # Check for nasm and nasm features | |
77 | AC_CHECK_PROG(HAVE_NASM, nasm, yes, no) | |
78 | if test "$HAVE_NASM" = "no"; then | |
79 | AC_MSG_RESULT([no nasm]) | |
80 | else | |
81 | AC_MSG_CHECKING([for modern nasm]) | |
82 | AC_LANG_CONFTEST([AC_LANG_SOURCE([[pblendvb xmm2, xmm1;]])]) | |
83 | sed -i -e '/pblendvb/!d' conftest.c | |
84 | if nasm -f elf64 conftest.c 2> /dev/null; then | |
85 | with_modern_nasm=yes | |
86 | AC_MSG_RESULT([yes]) | |
87 | AC_MSG_CHECKING([for optional nasm AVX512 support]) | |
88 | AC_LANG_CONFTEST([AC_LANG_SOURCE([[vpshufb zmm0, zmm1, zmm2;]])]) | |
89 | sed -i -e '/vpshufb/!d' conftest.c | |
90 | if nasm -f elf64 conftest.c 2> /dev/null; then | |
91 | nasm_knows_avx512=yes | |
92 | AC_MSG_RESULT([yes]) | |
93 | else | |
94 | AC_MSG_RESULT([no]) | |
95 | fi | |
96 | else | |
97 | AC_MSG_RESULT([no]) | |
98 | fi | |
99 | fi | |
100 | ||
101 | # Pick an assembler yasm or nasm | |
224ce89b | 102 | if test x"$AS" = x""; then |
7c673cae FG |
103 | if test x"$yasm_knows_avx512" = x"yes"; then |
104 | AS=yasm | |
105 | elif test x"$nasm_knows_avx512" = x"yes"; then | |
106 | AS=nasm | |
107 | elif test x"$with_modern_yasm" = x"yes"; then | |
108 | AS=yasm | |
109 | elif test x"$with_modern_nasm" = x"yes"; then | |
110 | AS=nasm | |
111 | else | |
112 | AC_MSG_ERROR([No modern yasm or nasm found as required. Yasm should be 1.2.0 or later, and nasm should be v2.11.01 or later.]) | |
113 | fi | |
114 | fi | |
115 | echo "Using assembler $AS" | |
116 | ||
117 | if test \( x"$AS" = x"yasm" -a x"$yasm_knows_avx512" = x"yes" \) -o \( x"$AS" = x"nasm" -a x"$nasm_knows_avx512" = x"yes" \); then | |
118 | AC_DEFINE(HAVE_AS_KNOWS_AVX512, [1], [Assembler can do AVX512.]) | |
119 | have_as_knows_avx512=yes | |
120 | else | |
121 | AC_MSG_RESULT([Assembler does not understand AVX512 opcodes. Consider upgrading for best performance.]) | |
122 | fi | |
123 | AM_CONDITIONAL(USE_YASM, test x"$AS" = x"yasm") | |
124 | AM_CONDITIONAL(USE_NASM, test x"$AS" = x"nasm") | |
125 | AM_CONDITIONAL(WITH_AVX512, test x"$have_as_knows_avx512" = x"yes") | |
126 | ||
127 | ||
224ce89b | 128 | case $host_os in |
7c673cae FG |
129 | *linux*) arch=linux yasm_args="-f elf64";; |
130 | *darwin*) arch=darwin yasm_args="-f macho64 --prefix=_ ";; | |
131 | *netbsd*) arch=netbsd yasm_args="-f elf64";; | |
132 | *) arch=unknown yasm_args="-f elf64";; | |
133 | esac | |
134 | AC_SUBST([yasm_args]) | |
135 | AM_CONDITIONAL(DARWIN, test x"$arch" = x"darwin") | |
136 | AC_MSG_RESULT([Using yasm args target "$arch" "$yasm_args"]) | |
137 | ||
138 | # Check for header files | |
139 | AC_CHECK_HEADERS([limits.h stdint.h stdlib.h string.h]) | |
140 | ||
141 | # Checks for typedefs, structures, and compiler characteristics. | |
142 | AC_C_INLINE | |
143 | AC_TYPE_SIZE_T | |
144 | AC_TYPE_UINT16_T | |
145 | AC_TYPE_UINT32_T | |
146 | AC_TYPE_UINT64_T | |
147 | AC_TYPE_UINT8_T | |
148 | ||
149 | # Checks for library functions. | |
150 | AC_FUNC_MALLOC # Used only in tests | |
151 | AC_CHECK_FUNCS([memmove memset]) | |
152 | ||
153 | my_CFLAGS="\ | |
154 | -Wall \ | |
155 | -Wchar-subscripts \ | |
156 | -Wformat-security \ | |
157 | -Wnested-externs \ | |
158 | -Wpointer-arith \ | |
159 | -Wshadow \ | |
160 | -Wstrict-prototypes \ | |
161 | -Wtype-limits \ | |
162 | " | |
163 | AC_SUBST([my_CFLAGS]) | |
164 | ||
165 | AC_CONFIG_FILES([\ | |
166 | Makefile\ | |
167 | libisal.pc | |
168 | ]) | |
169 | ||
170 | AC_OUTPUT | |
171 | AC_MSG_RESULT([ | |
172 | $PACKAGE $VERSION | |
173 | ===== | |
174 | ||
175 | prefix: ${prefix} | |
176 | sysconfdir: ${sysconfdir} | |
177 | libdir: ${libdir} | |
178 | includedir: ${includedir} | |
179 | ||
180 | compiler: ${CC} | |
181 | cflags: ${CFLAGS} | |
182 | ldflags: ${LDFLAGS} | |
183 | ||
184 | debug: ${enable_debug} | |
185 | ]) |