configure.ac

   1 # ------------------------------------------------------------------------------
   2 # versions
   3
   4 AC_PREREQ([2.64])
   5 AC_INIT([crbtree],
   6         [1],
   7         [http://www.github.com/bus1/crbtree],
   8         [crbtree],
   9         [http://www.github.com/bus1/crbtree])
  10
  11 # ------------------------------------------------------------------------------
  12 # autotools
  13
  14 AC_CONFIG_SRCDIR([src/org.bus1/c-rbtree.h])
  15 AC_CONFIG_MACRO_DIR([build/m4])
  16 AC_CONFIG_HEADERS([build/config.h])
  17 AC_CONFIG_AUX_DIR([build/build-aux])
  18
  19 # suppress conflicting defaults
  20 CFLAGS=${CFLAGS:-""}
  21 CXXFLAGS=${CXXFLAGS:-""}
  22
  23 AC_USE_SYSTEM_EXTENSIONS
  24 AC_SYS_LARGEFILE
  25 AM_MAINTAINER_MODE([enable])
  26 AM_INIT_AUTOMAKE([foreign 1.11 -Wall -Wno-portability silent-rules tar-pax no-dist-gzip dist-xz subdir-objects parallel-tests])
  27 AM_SILENT_RULES([yes])
  28 AC_CANONICAL_HOST
  29 AC_DEFINE_UNQUOTED([CANONICAL_HOST], "$host", [Canonical host string.])
  30 AC_PROG_CC_C99
  31 AC_PROG_RANLIB
  32 AC_PROG_SED
  33 AC_PROG_LN_S
  34
  35 m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])
  36
  37 # ------------------------------------------------------------------------------
  38 # toolchain
  39
  40 OUR_CFLAGS=${OUR_CFLAGS:-$(echo \
  41         -g \
  42         -Og \
  43         -pipe \
  44         -ftrapv \
  45         -ffast-math \
  46         -fno-common \
  47         -fdiagnostics-show-option \
  48         -fno-strict-aliasing \
  49         -fvisibility=hidden \
  50         -ffunction-sections \
  51         -fdata-sections \
  52         -fstack-protector \
  53         -fstack-protector-strong \
  54         -fPIC \
  55         --param=ssp-buffer-size=4 \
  56         -Wall \
  57         -Wextra \
  58         -Wno-inline \
  59         -Wundef \
  60         -Wformat=2 \
  61         -Wformat-security \
  62         -Wformat-nonliteral \
  63         -Wsign-compare \
  64         -Wmissing-include-dirs \
  65         -Wold-style-definition \
  66         -Wpointer-arith \
  67         -Winit-self \
  68         -Wdeclaration-after-statement \
  69         -Wfloat-equal \
  70         -Wmissing-prototypes \
  71         -Wstrict-prototypes \
  72         -Wredundant-decls \
  73         -Wmissing-declarations \
  74         -Wmissing-noreturn \
  75         -Wshadow \
  76         -Wendif-labels \
  77         -Wstrict-aliasing=2 \
  78         -Wwrite-strings \
  79         -Wno-long-long \
  80         -Wno-overlength-strings \
  81         -Wno-unused-parameter \
  82         -Wno-missing-field-initializers \
  83         -Wno-unused-result \
  84         -Werror=overflow \
  85         -Wdate-time \
  86         -Wnested-externs)}
  87
  88 OUR_CPPFLAGS=${OUR_CPPFLAGS:-$(echo \
  89         -Wp,-D_FORTIFY_SOURCE=2 \
  90         -Wno-typedef-redefinition \
  91         -Wno-gnu-variable-sized-type-not-at-end)}
  92
  93 OUR_LDFLAGS=${OUR_LDFLAGS:-$(echo \
  94         -Wl,--as-needed \
  95         -Wl,--no-undefined \
  96         -Wl,--gc-sections \
  97         -Wl,-z,relro \
  98         -Wl,-z,now \
  99         -pie)}
 100
 101 AC_SUBST(OUR_CFLAGS)
 102 AC_SUBST(OUR_CPPFLAGS)
 103 AC_SUBST(OUR_LDFLAGS)
 104
 105 # ------------------------------------------------------------------------------
 106 # report
 107
 108 AC_CONFIG_FILES([Makefile])
 109
 110 AC_OUTPUT
 111 AC_MSG_RESULT([
 112         $PACKAGE_NAME $VERSION
 113         prefix:                 ${prefix}
 114         exec_prefix:            ${exec_prefix}
 115         includedir:             ${includedir}
 116         libdir:                 ${libdir}
 117
 118         CFLAGS:                 ${OUR_CFLAGS} ${CFLAGS}
 119         CPPFLAGS:               ${OUR_CPPFLAGS} ${CPPFLAGS}
 120         LDFLAGS:                ${OUR_LDFLAGS} ${LDFLAGS}
 121 ])