configure.ac revision 266e1f5b1af3b095c9eab10f9862892fbd5f4ddf
1# -*- Autoconf -*- 2# Process this file with autoconf to produce a configure script. 3AC_PREREQ(2.65) 4 5AC_INIT([ltrace],[0.7.0-git],[ltrace-devel@lists.alioth.debian.org]) 6AC_CONFIG_HEADERS([config.h]) 7AC_CONFIG_SRCDIR(libltrace.c) 8AC_CONFIG_MACRO_DIR([config/m4]) 9AC_CONFIG_AUX_DIR([config/autoconf]) 10AC_CANONICAL_BUILD 11AC_CANONICAL_HOST 12 13case "${host_os}" in 14 linux-gnu*) HOST_OS="linux-gnu" ;; 15 *) AC_MSG_ERROR([unkown host-os ${host_os}]) ;; 16esac 17AC_SUBST(HOST_OS) 18 19case "${host_cpu}" in 20 arm*|sa110) HOST_CPU="arm" ;; 21 cris*) HOST_CPU="cris" ;; 22 mips*el) HOST_CPU="mipsel" ;; 23 mips*) HOST_CPU="mips" ;; 24 powerpc|powerpc64) HOST_CPU="ppc" ;; 25 sun4u|sparc64) HOST_CPU="sparc" ;; 26 s390x) HOST_CPU="s390" ;; 27 i?86|x86_64) HOST_CPU="x86" ;; 28 *) HOST_CPU="${host_cpu}" ;; 29esac 30AC_SUBST(HOST_CPU) 31 32# Checks for programs. 33AC_PROG_CC 34LT_INIT 35# libtool-2: LT_INIT() 36AM_INIT_AUTOMAKE([foreign no-exeext dist-bzip2]) 37AM_MAINTAINER_MODE 38 39AC_ARG_WITH([libelf], 40 AS_HELP_STRING([--with-libelf], [Prefix of libelf headers/library]), 41 [case "${withval}" in 42 (no) 43 AC_MSG_ERROR([*** libelf is a required dependency]) 44 ;; 45 (yes) 46 AC_MSG_ERROR([*** --with-libelf requires you to specify a path]) 47 ;; 48 (*) 49 AM_CPPFLAGS="${AM_CPPFLAGS} -I${withval}/include" 50 AM_LDFLAGS="${AM_LDFLAGS} -L${withval}/lib" 51 libelf_LD_LIBRARY_PATH="${withval}/lib" 52 ;; 53esac],[]) 54 55# Checks for libraries. 56 57saved_CPPFLAGS="${CPPFLAGS}" 58saved_LDFLAGS="${LDFLAGS}" 59CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}" 60LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}" 61# libelf 62AC_CHECK_HEADERS([elf.h gelf.h],, 63 [AC_MSG_ERROR([*** libelf.h or gelf.h not found on your system])] 64) 65AC_CHECK_LIB([elf], [elf_begin],, 66 [AC_MSG_ERROR([*** libelf not found on your system])] 67) 68CPPFLAGS="${saved_CPPFLAGS}" 69LDFLAGS="${saved_LDFLAGS}" 70 71 72# HAVE_LIBIBERTY 73AC_CHECK_LIB([iberty], [cplus_demangle], [ 74 AC_DEFINE([HAVE_LIBIBERTY], [1], [we have libiberty]) 75 liberty_LIBS="-liberty"], [ 76 liberty_LIBS=""]) 77AC_SUBST(liberty_LIBS) 78 79 80# HAVE_LIBSUPC__ 81AC_CHECK_LIB([supc++], [__cxa_demangle], [ 82 AC_DEFINE([HAVE_LIBSUPC__], [1], [we have libsupc++]) 83 libsupcxx_LIBS="-lsupc++"], [ 84 libsupcxx_LIBS=""]) 85AC_SUBST(libsupcxx_LIBS) 86 87 88# HAVE_LIBSTDC__ 89AC_CHECK_LIB([stdc++], [__cxa_demangle], [ 90 AC_DEFINE([HAVE_LIBSTDC__], [1], [we have libstdc++]) 91 libstdcxx_LIBS="-lstdc++"], [ 92 libstdcxx_LIBS=""]) 93AC_SUBST(libstdcxx_LIBS) 94 95 96dnl Check security_get_boolean_active availability. 97AC_CHECK_HEADERS(selinux/selinux.h) 98AC_CHECK_LIB(selinux, security_get_boolean_active) 99 100 101# HAVE_LIBUNWIND 102AC_ARG_WITH(libunwind, 103 AS_HELP_STRING([--with-libunwind], [Use libunwind frame unwinding support]), 104 [case "${withval}" in 105 (yes|no) enable_libunwind=$withval;; 106 (*) enable_libunwind=yes 107 AM_CPPFLAGS="${AM_CPPFLAGS} -I${withval}/include" 108 AM_LDFLAGS="${AM_LDFLAGS} -L${withval}/lib" 109 libunwind_LD_LIBRARY_PATH="${withval}/lib" 110 ;; 111esac],[enable_libunwind=maybe]) 112 113saved_CPPFLAGS="${CPPFLAGS}" 114CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}" 115AC_CHECK_HEADERS([libunwind.h], [have_libunwind_h=yes]) 116AC_CHECK_HEADERS([libunwind-ptrace.h], [have_libunwind_ptrace_h=yes]) 117CPPFLAGS="${saved_CPPFLAGS}" 118 119AC_MSG_CHECKING([whether to use libunwind support]) 120case "${enable_libunwind}" in 121(yes|maybe) 122 if test x$have_libunwind_h = xyes -o x$have_libunwind_ptrace_h = xyes; then 123 enable_libunwind=yes 124 elif test $enable_libunwind = maybe; then 125 enable_libunwind=no 126 else 127 AC_MSG_RESULT([$enable_libunwind]) 128 AC_MSG_ERROR([libunwind.h or libunwind-ptrace.h cannot be found]) 129 fi 130 ;; 131(*) ;; 132esac 133AC_MSG_RESULT([$enable_libunwind]) 134 135if test x"$enable_libunwind" = xyes; then 136 saved_LDFLAGS="${LDFLAGS}" 137 LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}" 138 AC_CHECK_LIB(unwind, backtrace, libunwind_LIBS=-lunwind, libunwind_LIBS=) 139 AC_SUBST(libunwind_LIBS) 140 AC_CHECK_LIB(unwind-ptrace, _UPT_create, libunwind_ptrace_LIBS=-lunwind-ptrace, libunwind_ptrace_LIBS=) 141 AC_SUBST(libunwind_ptrace_LIBS) 142 143 case "${host_cpu}" in 144 arm*|sa110) UNWIND_ARCH="arm" ;; 145 i?86) UNWIND_ARCH="x86" ;; 146 powerpc) UNWIND_ARCH="ppc32" ;; 147 ppc64) UNWIND_ARCH="ppc64" ;; 148 mips*) UNWIND_ARCH="mips" ;; 149 *) UNWIND_ARCH="${host_cpu}" ;; 150 esac 151 152 AC_CHECK_LIB(unwind-${UNWIND_ARCH}, _U${UNWIND_ARCH}_init_remote, libunwind_arch_LIBS=-lunwind-${UNWIND_ARCH}, libunwind_arch_LIBS=) 153 AC_SUBST(libunwind_arch_LIBS) 154 AC_DEFINE([HAVE_LIBUNWIND], [1], [we have libunwind]) 155 LDFLAGS="${saved_LDFLAGS}" 156fi 157 158 159saved_CPPFLAGS="${CPPFLAGS}" 160saved_LDFLAGS="${LDFLAGS}" 161CPPFLAGS="${CPPFLAGS} ${AM_CPPFLAGS}" 162LDFLAGS="${LDFLAGS} ${AM_LDFLAGS}" 163# HAVE_ELF_C_READ_MMAP 164AC_MSG_CHECKING([whether elf_begin accepts ELF_C_READ_MMAP]) 165AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <gelf.h>]], [[ 166int main () { 167 Elf *elf = elf_begin(4, ELF_C_READ_MMAP, 0); 168 return 0; 169} 170 ]])],[ 171 AC_DEFINE([HAVE_ELF_C_READ_MMAP], [1], [we have read mmap support]) 172 AC_MSG_RESULT([yes])],[ 173 AC_MSG_RESULT([no])]) 174 175saved_CFLAGS="${CFLAGS}" 176CFLAGS="${CFLAGS} -Wall -Werror" 177AC_MSG_CHECKING([whether elf_hash takes a char* argument]) 178AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <libelf.h>]], [[ 179 (void) elf_hash("name"); 180 ]])], 181 [AC_DEFINE([ELF_HASH_TAKES_CHARP], [1], 182 [elf_hash() takes char* (as opposed to unsigned char *)]) 183 AC_MSG_RESULT([yes])], 184 [AC_MSG_RESULT([no])]) 185CFLAGS="${saved_CFLAGS}" 186CPPFLAGS="${saved_CPPFLAGS}" 187LDFLAGS="${saved_LDFLAGS}" 188 189AM_CPPFLAGS=" \ 190 ${AM_CPPFLAGS} \ 191 -I\$(top_srcdir)/sysdeps/${HOST_OS}/${HOST_CPU} \ 192 -I\$(top_srcdir)/sysdeps/${HOST_OS} \ 193 -I\$(top_srcdir)/sysdeps \ 194 -I\$(top_srcdir) \ 195" 196 197# Checks for header files. 198AC_CHECK_HEADERS([ \ 199 fcntl.h \ 200 limits.h \ 201 stddef.h \ 202 stdint.h \ 203 stdlib.h \ 204 string.h \ 205 sys/ioctl.h \ 206 sys/param.h \ 207 sys/time.h \ 208 unistd.h \ 209]) 210 211# Checks for typedefs, structures, and compiler characteristics. 212AC_TYPE_UID_T 213AC_C_INLINE 214AC_TYPE_PID_T 215AC_TYPE_SIZE_T 216AC_CHECK_SIZEOF([long]) 217 218 219# Checks for library functions. 220AC_FUNC_ERROR_AT_LINE 221AC_FUNC_FORK 222AC_CHECK_FUNCS([ \ 223 alarm \ 224 atexit \ 225 getcwd \ 226 gettimeofday \ 227 memset \ 228 mkdir \ 229 rmdir \ 230 strchr \ 231 strdup \ 232 strerror \ 233 strtol \ 234 strtoul \ 235]) 236 237 238# 239# Debugging 240# 241AC_MSG_CHECKING([whether to enable debugging]) 242AC_ARG_ENABLE(debug, 243 AS_HELP_STRING([--enable-debug], [enable debugging @<:@default=no@:>@]), 244 [case "$enableval" in 245 y | yes) CONFIG_DEBUG=yes ;; 246 *) CONFIG_DEBUG=no ;; 247 esac], 248 [CONFIG_DEBUG=no]) 249AC_MSG_RESULT([${CONFIG_DEBUG}]) 250if test "${CONFIG_DEBUG}" = "yes"; then 251 AC_DEFINE(DEBUG, 1, [debugging]) 252fi 253 254# Ignore the compiler's warnings at your own risk. 255AM_CFLAGS="${AM_CFLAGS} -Wall -Wsign-compare -Wfloat-equal -Wformat-security" 256AC_ARG_ENABLE([werror], 257 AS_HELP_STRING([--disable-werror], [disable use of -Werror]), 258 [enable_werror=$enableval], [enable_werror=yes]) 259if test x$enable_werror = xyes; then 260 AM_CFLAGS="${AM_CFLAGS} -Werror" 261fi 262 263AC_SUBST(AM_CPPFLAGS) 264AC_SUBST(AM_CFLAGS) 265AC_SUBST(AM_LDFLAGS) 266AC_SUBST(libelf_LD_LIBRARY_PATH) 267AC_SUBST(libunwind_LD_LIBRARY_PATH) 268 269AC_CONFIG_FILES([ 270 Makefile 271 sysdeps/Makefile 272 sysdeps/linux-gnu/Makefile 273 sysdeps/linux-gnu/alpha/Makefile 274 sysdeps/linux-gnu/arm/Makefile 275 sysdeps/linux-gnu/cris/Makefile 276 sysdeps/linux-gnu/ia64/Makefile 277 sysdeps/linux-gnu/m68k/Makefile 278 sysdeps/linux-gnu/mipsel/Makefile 279 sysdeps/linux-gnu/ppc/Makefile 280 sysdeps/linux-gnu/s390/Makefile 281 sysdeps/linux-gnu/sparc/Makefile 282 sysdeps/linux-gnu/x86/Makefile 283 testsuite/Makefile 284 testsuite/ltrace.main/Makefile 285 testsuite/ltrace.minor/Makefile 286 testsuite/ltrace.torture/Makefile 287]) 288AC_OUTPUT 289