| 1 | dnl SPDX-License-Identifier: MIT |
| 2 | dnl SPDX-FileCopyrightText: 2022 EfficiOS Inc. |
| 3 | dnl |
| 4 | dnl Process this file with autoconf to produce a configure script. |
| 5 | |
| 6 | # Project version information |
| 7 | m4_define([side_version_major], [0]) |
| 8 | m4_define([side_version_minor], [1]) |
| 9 | m4_define([side_version_patch], [0]) |
| 10 | m4_define([side_version_dev_stage], [-pre]) |
| 11 | m4_define([side_version], side_version_major[.]side_version_minor[.]side_version_patch[]side_version_dev_stage) |
| 12 | |
| 13 | # Library version information of "libside" |
| 14 | # Following the numbering scheme proposed by libtool for the library version |
| 15 | # http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html |
| 16 | m4_define([side_lib_version_current], [0]) |
| 17 | m4_define([side_lib_version_revision], [0]) |
| 18 | m4_define([side_lib_version_age], [0]) |
| 19 | m4_define([side_lib_version], side_lib_version_current[:]side_lib_version_revision[:]side_lib_version_age) |
| 20 | |
| 21 | |
| 22 | ## ## |
| 23 | ## Autoconf base setup ## |
| 24 | ## ## |
| 25 | |
| 26 | AC_PREREQ([2.69]) |
| 27 | AC_INIT([libside],[side_version],[mathieu dot desnoyers at efficios dot com],[],[https://github.com/compudj/libside/]) |
| 28 | |
| 29 | AC_CONFIG_HEADERS([include/config.h]) |
| 30 | AC_CONFIG_AUX_DIR([config]) |
| 31 | AC_CONFIG_MACRO_DIR([m4]) |
| 32 | |
| 33 | AC_CANONICAL_TARGET |
| 34 | AC_CANONICAL_HOST |
| 35 | |
| 36 | |
| 37 | ## ## |
| 38 | ## Automake base setup ## |
| 39 | ## ## |
| 40 | |
| 41 | AM_INIT_AUTOMAKE([1.12 foreign dist-bzip2 no-dist-gzip nostdinc subdir-objects -Wall -Werror]) |
| 42 | AM_MAINTAINER_MODE([enable]) |
| 43 | |
| 44 | # Enable silent rules by default |
| 45 | AM_SILENT_RULES([yes]) |
| 46 | |
| 47 | |
| 48 | ## ## |
| 49 | ## C compiler checks ## |
| 50 | ## ## |
| 51 | |
| 52 | # Choose the C compiler |
| 53 | AC_PROG_CC |
| 54 | # AC_PROG_CC_STDC was merged in AC_PROG_CC in autoconf 2.70 |
| 55 | m4_version_prereq([2.70], [], [AC_PROG_CC_STDC]) |
| 56 | |
| 57 | # Make sure the C compiler supports C99 |
| 58 | AS_IF([test "$ac_cv_prog_cc_c99" = "no"], [AC_MSG_ERROR([The compiler does not support C99])]) |
| 59 | |
| 60 | # Enable available system extensions and LFS support |
| 61 | AC_USE_SYSTEM_EXTENSIONS |
| 62 | AC_SYS_LARGEFILE |
| 63 | |
| 64 | # Make sure the C compiler supports __attribute__ |
| 65 | AX_C___ATTRIBUTE__ |
| 66 | AS_IF([test "x$ax_cv___attribute__" != "xyes"], |
| 67 | [AC_MSG_ERROR([The compiler does not support __attribute__ extensions])]) |
| 68 | |
| 69 | # Make sure we have pthread support |
| 70 | AX_PTHREAD([], [AC_MSG_ERROR([Could not configure pthread support])]) |
| 71 | |
| 72 | # Checks for typedefs, structures, and compiler characteristics. |
| 73 | AC_C_INLINE |
| 74 | AC_C_TYPEOF |
| 75 | AC_TYPE_INT32_T |
| 76 | AC_TYPE_INT64_T |
| 77 | AC_TYPE_OFF_T |
| 78 | AC_TYPE_SIZE_T |
| 79 | AC_TYPE_UINT32_T |
| 80 | AC_TYPE_UINT64_T |
| 81 | |
| 82 | # Detect warning flags supported by the C compiler and append them to |
| 83 | # WARN_CFLAGS. |
| 84 | m4_define([WARN_FLAGS_LIST], [ dnl |
| 85 | -Wall dnl |
| 86 | -Wextra dnl |
| 87 | -Wmissing-prototypes dnl |
| 88 | -Wmissing-declarations dnl |
| 89 | -Wnull-dereference dnl |
| 90 | -Wundef dnl |
| 91 | -Wshadow dnl |
| 92 | -Wjump-misses-init dnl |
| 93 | -Wsuggest-attribute=format dnl |
| 94 | -Wtautological-constant-out-of-range-compare dnl |
| 95 | -Wnested-externs dnl |
| 96 | -Wwrite-strings dnl |
| 97 | -Wformat=2 dnl |
| 98 | -Wstrict-aliasing dnl |
| 99 | -Wmissing-noreturn dnl |
| 100 | -Winit-self dnl |
| 101 | -Wduplicated-cond dnl |
| 102 | -Wduplicated-branches dnl |
| 103 | -Wlogical-op dnl |
| 104 | -Wredundant-decls dnl |
| 105 | ]) |
| 106 | |
| 107 | # Pass -Werror as an extra flag during the test: this is needed to make the |
| 108 | # -Wunknown-warning-option diagnostic fatal with clang. |
| 109 | AC_LANG_PUSH([C]) |
| 110 | AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CFLAGS], [-Werror]) |
| 111 | AC_LANG_POP([C]) |
| 112 | |
| 113 | AC_LANG_PUSH([C++]) |
| 114 | AX_APPEND_COMPILE_FLAGS([WARN_FLAGS_LIST], [WARN_CXXFLAGS], [-Werror]) |
| 115 | AC_LANG_POP([C++]) |
| 116 | |
| 117 | AE_IF_FEATURE_ENABLED([Werror], [WARN_CFLAGS="${WARN_CFLAGS} -Werror"]) |
| 118 | AE_IF_FEATURE_ENABLED([Werror], [WARN_CXXFLAGS="${WARN_CXXFLAGS} -Werror"]) |
| 119 | |
| 120 | |
| 121 | ## ## |
| 122 | ## C++ compiler checks ## |
| 123 | ## ## |
| 124 | |
| 125 | # Require a C++11 compiler without GNU extensions (-std=c++11) |
| 126 | AX_CXX_COMPILE_STDCXX([11], [noext], [mandatory]) |
| 127 | |
| 128 | |
| 129 | ## ## |
| 130 | ## Header checks ## |
| 131 | ## ## |
| 132 | |
| 133 | AC_HEADER_STDBOOL |
| 134 | AC_CHECK_HEADERS([ \ |
| 135 | limits.h \ |
| 136 | stddef.h \ |
| 137 | sys/time.h \ |
| 138 | ]) |
| 139 | |
| 140 | |
| 141 | ## ## |
| 142 | ## Programs checks ## |
| 143 | ## ## |
| 144 | |
| 145 | AM_PROG_AR |
| 146 | AC_PROG_AWK |
| 147 | AC_PROG_MAKE_SET |
| 148 | |
| 149 | # Initialize and configure libtool |
| 150 | LT_INIT |
| 151 | |
| 152 | |
| 153 | ## ## |
| 154 | ## Library checks ## |
| 155 | ## ## |
| 156 | |
| 157 | # Checks for library functions. |
| 158 | AC_FUNC_MMAP |
| 159 | AC_FUNC_FORK |
| 160 | AC_CHECK_FUNCS([ \ |
| 161 | atexit \ |
| 162 | memset \ |
| 163 | strerror \ |
| 164 | ]) |
| 165 | |
| 166 | # AC_FUNC_MALLOC causes problems when cross-compiling. |
| 167 | #AC_FUNC_MALLOC |
| 168 | |
| 169 | PKG_CHECK_MODULES([RSEQ], [librseq]) |
| 170 | |
| 171 | ## ## |
| 172 | ## Optional features selection ## |
| 173 | ## ## |
| 174 | |
| 175 | # When given, add -Werror to WARN_CFLAGS and WARN_CXXFLAGS. |
| 176 | # Disabled by default |
| 177 | AE_FEATURE_DEFAULT_DISABLE |
| 178 | AE_FEATURE([Werror], [Treat compiler warnings as errors.]) |
| 179 | |
| 180 | |
| 181 | ## ## |
| 182 | ## Substitute variables for use in Makefile.am ## |
| 183 | ## ## |
| 184 | |
| 185 | # Library versions for libtool |
| 186 | AC_SUBST([SIDE_LIBRARY_VERSION], [side_lib_version]) |
| 187 | |
| 188 | # The order in which the include folders are searched is important. |
| 189 | # The top_builddir should always be searched first in the event that a build |
| 190 | # time generated file is included. |
| 191 | AM_CPPFLAGS="-I\$(top_builddir)/include -I\$(top_srcdir)/include -include config.h $RSEQ_CFLAGS" |
| 192 | AC_SUBST(AM_CPPFLAGS) |
| 193 | |
| 194 | AM_CFLAGS="$WARN_CFLAGS $PTHREAD_CFLAGS" |
| 195 | AC_SUBST(AM_CFLAGS) |
| 196 | |
| 197 | AM_CXXFLAGS="$WARN_CXXFLAGS $PTHREAD_CFLAGS" |
| 198 | AC_SUBST(AM_CXXFLAGS) |
| 199 | |
| 200 | |
| 201 | ## ## |
| 202 | ## Output files generated by configure ## |
| 203 | ## ## |
| 204 | |
| 205 | AC_CONFIG_FILES([ |
| 206 | Makefile |
| 207 | include/Makefile |
| 208 | src/Makefile |
| 209 | src/libside.pc |
| 210 | tests/Makefile |
| 211 | tests/utils/Makefile |
| 212 | ]) |
| 213 | |
| 214 | AC_OUTPUT |
| 215 | |
| 216 | |
| 217 | # |
| 218 | # Mini-report on what will be built. |
| 219 | # |
| 220 | |
| 221 | AE_PPRINT_INIT |
| 222 | AE_PPRINT_SET_INDENT(1) |
| 223 | AE_PPRINT_SET_TS(38) |
| 224 | |
| 225 | AS_ECHO |
| 226 | AS_ECHO("${AE_PPRINT_COLOR_BLDBLU}libside $PACKAGE_VERSION${AE_PPRINT_COLOR_RST}") |
| 227 | AS_ECHO |
| 228 | |
| 229 | AE_PPRINT_SUBTITLE([Features]) |
| 230 | |
| 231 | AE_PPRINT_PROP_STRING([Target architecture], $host_cpu) |
| 232 | |
| 233 | report_bindir="`eval eval echo $bindir`" |
| 234 | report_libdir="`eval eval echo $libdir`" |
| 235 | |
| 236 | # Print the bindir and libdir this `make install' will install into. |
| 237 | AS_ECHO |
| 238 | AE_PPRINT_SUBTITLE([Install directories]) |
| 239 | AE_PPRINT_PROP_STRING([Binaries], [$report_bindir]) |
| 240 | AE_PPRINT_PROP_STRING([Libraries], [$report_libdir]) |