configure.ac revision 0a43b323c0e6a653613fb66360dc65480a02ea09
1# -*- Autoconf -*- 2# Process this file with autoconf to produce a configure script. 3AC_PREREQ(2.59) 4 5AC_INIT([ltrace],[0.5.3],[ltrace-devel@lists.alioth.debian.org]) 6AC_CONFIG_HEADERS([config.h]) 7AC_CONFIG_SRCDIR(libltrace.c) 8#AC_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 ${host_osx}]) ;; 16esac 17AC_SUBST(HOST_OS) 18 19case "${host_cpu}" in 20 arm*|sa110) HOST_CPU="arm" ;; 21 i?86) HOST_CPU="i386" ;; 22 powerpc|powerpc64) HOST_CPU="ppc" ;; 23 sun4u|sparc64) HOST_CPU="sparc" ;; 24 s390x) HOST_CPU="s390" ;; 25 *) HOST_CPU="${host_cpu}" ;; 26esac 27AC_SUBST(HOST_CPU) 28 29# Checks for programs. 30AC_PROG_CC 31AC_PROG_LIBTOOL 32# libtool-2: LT_INIT() 33AM_INIT_AUTOMAKE([foreign no-exeext dist-bzip2]) 34AM_MAINTAINER_MODE 35 36# Checks for libraries. 37 38# libelf 39AC_CHECK_HEADERS([elf.h gelf.h],, 40 [AC_MSG_ERROR([*** libelf.h or gelf.h not found on your system])] 41) 42AC_CHECK_LIB([elf], [elf_begin],, 43 [AC_MSG_ERROR([*** libelf not found on your system])] 44) 45 46 47# HAVE_LIBIBERTY 48AC_CHECK_LIB([iberty], [cplus_demangle], [ 49 AC_DEFINE([HAVE_LIBIBERTY], [1], [we have libiberty]) 50 liberty_LIBS="-liberty"], [ 51 liberty_LIBS=""]) 52AC_SUBST(liberty_LIBS) 53 54 55# HAVE_LIBSUPC__ 56AC_CHECK_LIB([supc++], [__cxa_demangle], [ 57 AC_DEFINE([HAVE_LIBSUPC__], [1], [we have libsupc++]) 58 libsupcxx_LIBS="-lsupc++"], [ 59 libsupcxx_LIBS=""]) 60AC_SUBST(libsupcxx_LIBS) 61 62 63# HAVE_LIBUNWIND 64AC_ARG_WITH(libunwind, 65 AS_HELP_STRING([--with-libunwind], [Use libunwind frame unwinding support]), 66 [case "${withval}" in 67 (yes|no) enable_libunwind=$withval;; 68 (*) enable_libunwind=yes 69 CPPFLAGS="${CPPFLAGS} -I${withval}/include" 70 LDFLAGS="${LDFLAGS} -L${withval}/lib" 71 ;; 72esac],[enable_libunwind=maybe]) 73 74AC_CHECK_HEADERS([libunwind.h], [have_libunwind_h=yes]) 75AC_CHECK_HEADERS([libunwind-ptrace.h], [have_libunwind_ptrace_h=yes]) 76 77AC_MSG_CHECKING([whether to use libunwind support]) 78case "${enable_libunwind}" in 79(yes|maybe) 80 if test x$have_libunwind_h = xyes -o x$have_libunwind_ptrace_h = xyes; then 81 enable_libunwind=yes 82 elif test $enable_libunwind = maybe; then 83 enable_libunwind=no 84 else 85 AC_MSG_RESULT([$enable_libunwind]) 86 AC_MSG_ERROR([libunwind.h or libunwind-ptrace.h cannot be found]) 87 fi 88 ;; 89(*) ;; 90esac 91AC_MSG_RESULT([$enable_libunwind]) 92 93if test x"$enable_libunwind" = xyes; then 94 AC_CHECK_LIB(unwind, backtrace, libunwind_LIBS=-lunwind, libunwind_LIBS=) 95 AC_SUBST(libunwind_LIBS) 96 AC_CHECK_LIB(unwind-ptrace, _UPT_create, libunwind_ptrace_LIBS=-lunwind-ptrace, libunwind_ptrace_LIBS=) 97 AC_SUBST(libunwind_ptrace_LIBS) 98 99 case "${host_cpu}" in 100 arm*|sa110) UNWIND_ARCH="arm" ;; 101 i?86) UNWIND_ARCH="x86" ;; 102 powerpc) UNWIND_ARCH="ppc32" ;; 103 ppc64) UNWIND_ARCH="ppc64" ;; 104 mips*) UNWIND_ARCH="mips" ;; 105 *) UNWIND_ARCH="${host_cpu}" ;; 106 esac 107 108 AC_CHECK_LIB(unwind-${UNWIND_ARCH}, _U${UNWIND_ARCH}_init_remote, libunwind_arch_LIBS=-lunwind-${UNWIND_ARCH}, libunwind_arch_LIBS=) 109 AC_SUBST(libunwind_arch_LIBS) 110 AC_DEFINE([HAVE_LIBUNWIND], [1], [we have libunwind]) 111fi 112 113 114# HAVE_ELF_C_READ_MMAP 115AC_MSG_CHECKING([whether elf_begin accepts ELF_C_READ_MMAP]) 116AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <gelf.h>]], [[ 117int main () { 118 Elf *elf = elf_begin(4, ELF_C_READ_MMAP, 0); 119 return 0; 120} 121 ]])],[ 122 AC_DEFINE([HAVE_ELF_C_READ_MMAP], [1], [we have read mmap support]) 123 AC_MSG_RESULT([yes])],[ 124 AC_MSG_RESULT([no])]) 125 126saved_CFLAGS="${CFLAGS}" 127CFLAGS="${CFLAGS} -Wall -Werror" 128AC_MSG_CHECKING([whether elf_hash takes a signed char string]) 129AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <libelf.h>]], [[ 130 (void) elf_hash("name"); 131 ]])], 132 [AC_DEFINE([ELF_HASH_TAKES_SIGNED_CHAR], [1], 133 [elf_hash() takes signed char]) 134 AC_MSG_RESULT([yes])], 135 [AC_MSG_RESULT([no])]) 136CFLAGS="${saved_CFLAGS}" 137 138CPPFLAGS=" \ 139 ${CPPFLAGS} \ 140 -I\$(top_srcdir)/sysdeps/${HOST_OS}/${HOST_CPU} \ 141 -I\$(top_srcdir)/sysdeps/${HOST_OS} \ 142 -I\$(top_srcdir)/sysdeps \ 143 -I\$(top_srcdir) \ 144" 145 146CFLAGS="${CFLAGS} -Wall" 147 148# Checks for header files. 149AC_CHECK_HEADERS([ \ 150 fcntl.h \ 151 limits.h \ 152 stddef.h \ 153 stdint.h \ 154 stdlib.h \ 155 string.h \ 156 sys/ioctl.h \ 157 sys/param.h \ 158 sys/time.h \ 159 unistd.h \ 160]) 161 162# Checks for typedefs, structures, and compiler characteristics. 163AC_TYPE_UID_T 164AC_C_INLINE 165AC_TYPE_PID_T 166AC_TYPE_SIZE_T 167AC_CHECK_SIZEOF([long]) 168 169 170# Checks for library functions. 171AC_FUNC_ERROR_AT_LINE 172AC_FUNC_FORK 173AC_CHECK_FUNCS([ \ 174 alarm \ 175 atexit \ 176 getcwd \ 177 gettimeofday \ 178 memset \ 179 mkdir \ 180 rmdir \ 181 strchr \ 182 strdup \ 183 strerror \ 184 strtol \ 185 strtoul \ 186]) 187 188 189# 190# Debugging 191# 192AC_MSG_CHECKING([whether to enable debugging]) 193AC_ARG_ENABLE(debug, 194 AS_HELP_STRING([--enable-debug], [enable debugging @<:@default=no@:>@]), 195 [case "$enableval" in 196 y | yes) CONFIG_DEBUG=yes ;; 197 *) CONFIG_DEBUG=no ;; 198 esac], 199 [CONFIG_DEBUG=no]) 200AC_MSG_RESULT([${CONFIG_DEBUG}]) 201if test "${CONFIG_DEBUG}" = "yes"; then 202 CFLAGS="${CFLAGS} -Werror -Wsign-compare -Wfloat-equal -Wformat-security -g -O1" 203 AC_DEFINE(DEBUG, 1, [debugging]) 204else 205 CFLAGS="${CFLAGS} -O2" 206fi 207 208dnl testsuite/Makefile 209dnl testsuite/ltrace.main/Makefile 210dnl testsuite/ltrace.minor/Makefile 211dnl testsuite/ltrace.torture/Makefile 212 213AC_CONFIG_FILES([ 214 Makefile 215 sysdeps/Makefile 216 sysdeps/linux-gnu/Makefile 217 sysdeps/linux-gnu/alpha/Makefile 218 sysdeps/linux-gnu/arm/Makefile 219 sysdeps/linux-gnu/i386/Makefile 220 sysdeps/linux-gnu/ia64/Makefile 221 sysdeps/linux-gnu/m68k/Makefile 222 sysdeps/linux-gnu/mipsel/Makefile 223 sysdeps/linux-gnu/ppc/Makefile 224 sysdeps/linux-gnu/s390/Makefile 225 sysdeps/linux-gnu/sparc/Makefile 226 sysdeps/linux-gnu/x86_64/Makefile 227 testsuite/Makefile 228 testsuite/ltrace.main/Makefile 229 testsuite/ltrace.minor/Makefile 230 testsuite/ltrace.torture/Makefile 231]) 232AC_OUTPUT 233