configure.ac revision ded5ea818c11020add67308cb67c67c33eb52175
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])]) 125 126 127CPPFLAGS=" \ 128 ${CPPFLAGS} \ 129 -I\$(top_srcdir)/sysdeps/${HOST_OS}/${HOST_CPU} \ 130 -I\$(top_srcdir)/sysdeps/${HOST_OS} \ 131 -I\$(top_srcdir)/sysdeps \ 132 -I\$(top_srcdir) \ 133" 134 135CFLAGS="${CFLAGS} -Wall" 136 137# Checks for header files. 138AC_CHECK_HEADERS([ \ 139 fcntl.h \ 140 limits.h \ 141 stddef.h \ 142 stdint.h \ 143 stdlib.h \ 144 string.h \ 145 sys/ioctl.h \ 146 sys/param.h \ 147 sys/time.h \ 148 unistd.h \ 149]) 150 151# Checks for typedefs, structures, and compiler characteristics. 152AC_TYPE_UID_T 153AC_C_INLINE 154AC_TYPE_PID_T 155AC_TYPE_SIZE_T 156AC_CHECK_SIZEOF([long]) 157 158 159# Checks for library functions. 160AC_FUNC_ERROR_AT_LINE 161AC_FUNC_FORK 162AC_CHECK_FUNCS([ \ 163 alarm \ 164 atexit \ 165 getcwd \ 166 gettimeofday \ 167 memset \ 168 mkdir \ 169 rmdir \ 170 strchr \ 171 strdup \ 172 strerror \ 173 strtol \ 174 strtoul \ 175]) 176 177 178# 179# Debugging 180# 181AC_MSG_CHECKING([whether to enable debugging]) 182AC_ARG_ENABLE(debug, 183 AS_HELP_STRING([--enable-debug], [enable debugging @<:@default=no@:>@]), 184 [case "$enableval" in 185 y | yes) CONFIG_DEBUG=yes ;; 186 *) CONFIG_DEBUG=no ;; 187 esac], 188 [CONFIG_DEBUG=no]) 189AC_MSG_RESULT([${CONFIG_DEBUG}]) 190if test "${CONFIG_DEBUG}" = "yes"; then 191 CFLAGS="${CFLAGS} -Werror -Wsign-compare -Wfloat-equal -Wformat-security -g -O1" 192 AC_DEFINE(DEBUG, 1, [debugging]) 193else 194 CFLAGS="${CFLAGS} -O2" 195fi 196 197dnl testsuite/Makefile 198dnl testsuite/ltrace.main/Makefile 199dnl testsuite/ltrace.minor/Makefile 200dnl testsuite/ltrace.torture/Makefile 201 202AC_CONFIG_FILES([ 203 Makefile 204 sysdeps/Makefile 205 sysdeps/linux-gnu/Makefile 206 sysdeps/linux-gnu/alpha/Makefile 207 sysdeps/linux-gnu/arm/Makefile 208 sysdeps/linux-gnu/i386/Makefile 209 sysdeps/linux-gnu/ia64/Makefile 210 sysdeps/linux-gnu/m68k/Makefile 211 sysdeps/linux-gnu/mipsel/Makefile 212 sysdeps/linux-gnu/ppc/Makefile 213 sysdeps/linux-gnu/s390/Makefile 214 sysdeps/linux-gnu/sparc/Makefile 215 sysdeps/linux-gnu/x86_64/Makefile 216 testsuite/Makefile 217 testsuite/ltrace.main/Makefile 218 testsuite/ltrace.minor/Makefile 219 testsuite/ltrace.torture/Makefile 220]) 221AC_OUTPUT 222