5 files changed, 395 insertions, 0 deletions
diff --git a/m4/efl_attribute.m4 b/m4/efl_attribute.m4
new file mode 100644
index 0000000..4f31d93
--- /dev/null
+++ b/m4/efl_attribute.m4
@@ -0,0 +1,83 @@
+dnl Copyright (C) 2011 Vincent Torri <vtorri at univ-evry dot fr>
+dnl That code is public domain and can be freely used or copied.
+
+dnl Macros for checking if the compiler supports some __attribute__ uses
+
+dnl Usage: EFL_ATTRIBUTE_VECTOR
+dnl call AC_DEFINE for HAVE_GCC_ATTRIBUTE_VECTOR if __attribute__((vector)) is available
+
+AC_DEFUN([EFL_ATTRIBUTE_VECTOR],
+[
+AC_MSG_CHECKING([for __attribute__ ((vector))])
+AC_COMPILE_IFELSE(
+   [AC_LANG_PROGRAM(
+       [[
+typedef int v4si __attribute__ ((vector_size (16)));
+       ]],
+       [[
+if (sizeof(v4si) == 16)
+  return 0;
+else
+  return -1;
+       ]])],
+   [have_attribute_vector="yes"],
+   [have_attribute_vector="no"])
+AC_MSG_RESULT([${have_attribute_vector}])
+
+if test "x${have_attribute_vector}" = "xyes" ; then
+   AC_DEFINE([HAVE_GCC_ATTRIBUTE_VECTOR], [1], [Define to 1 if your compiler supports __attribute__ ((vector)).])
+fi
+])
+
+dnl Usage: EFL_ATTRIBUTE_ALWAYS_INLINE
+dnl call AC_DEFINE for alway_inline if __attribute__((always_inline)) is available
+
+AC_DEFUN([EFL_ATTRIBUTE_ALWAYS_INLINE],
+[
+
+have_attribute_forceinline="no"
+
+AC_MSG_CHECKING([for __forceinline])
+
+AC_COMPILE_IFELSE(
+   [AC_LANG_PROGRAM(
+       [[
+#include <windows.h>
+static __forceinline void foo(void) {}
+       ]],
+       [[
+       ]])],
+   [
+    have_attribute_always_inline="yes"
+    have_attribute_forceinline="yes"
+   ],
+   [have_attribute_always_inline="no"])
+
+AC_MSG_RESULT([${have_attribute_always_inline}])
+
+if test "x${have_attribute_always_inline}" = "xno" ; then
+   AC_MSG_CHECKING([for __attribute__ ((__always_inline__))])
+   AC_COMPILE_IFELSE(
+      [AC_LANG_PROGRAM(
+          [[
+static __attribute__((__always_inline__)) inline void foo(void) {}
+          ]],
+          [[
+          ]])],
+      [have_attribute_always_inline="yes"],
+      [have_attribute_always_inline="no"])
+   AC_MSG_RESULT([${have_attribute_always_inline}])
+fi
+
+if test "x${have_attribute_always_inline}" = "xyes" ; then
+   if test "x${have_attribute_forceinline}" = "xyes" ; then
+      AC_DEFINE([EFL_ALWAYS_INLINE], [__forceinline], [Macro declaring a function to always be inlined.])
+   else
+      AC_DEFINE([EFL_ALWAYS_INLINE], [__attribute__ ((__always_inline__)) inline], [Macro declaring a function to always be inlined.])
+   fi
+else
+   AC_DEFINE([EFL_ALWAYS_INLINE], [static inline], [Macro declaring a function to always be inlined.])
+fi
+])
+
+dnl End of efl_attribute.m4
diff --git a/m4/efl_binary.m4 b/m4/efl_binary.m4
new file mode 100644
index 0000000..c774688
--- /dev/null
+++ b/m4/efl_binary.m4
@@ -0,0 +1,71 @@
+dnl Copyright (C) 2010 Vincent Torri <vtorri at univ-evry dot fr>
+dnl That code is public domain and can be freely used or copied.
+
+dnl Macro that check if a binary is built or not
+
+dnl Usage: EFL_ENABLE_BIN(binary)
+dnl Call AC_SUBST(BINARY_PRG) (BINARY is the uppercase of binary, - being transformed into _)
+dnl Define have_binary (- is transformed into _)
+dnl Define conditional BUILD_BINARY (BINARY is the uppercase of binary, - being transformed into _)
+
+AC_DEFUN([EFL_ENABLE_BIN],
+[
+
+m4_pushdef([UP], m4_translit([[$1]], [-a-z], [_A-Z]))dnl
+m4_pushdef([DOWN], m4_translit([[$1]], [-A-Z], [_a-z]))dnl
+
+have_[]m4_defn([DOWN])="yes"
+
+dnl configure option
+
+AC_ARG_ENABLE([$1],
+   [AC_HELP_STRING([--disable-$1], [disable building of ]DOWN)],
+   [
+    if test "x${enableval}" = "xyes" ; then
+       have_[]m4_defn([DOWN])="yes"
+    else
+       have_[]m4_defn([DOWN])="no"
+    fi
+   ])
+
+AC_MSG_CHECKING([whether to build ]DOWN[ binary])
+AC_MSG_RESULT([$have_[]m4_defn([DOWN])])
+
+if test "x$have_[]m4_defn([DOWN])" = "xyes"; then
+   UP[]_PRG=DOWN[${EXEEXT}]
+fi
+
+AC_SUBST(UP[]_PRG)
+
+AM_CONDITIONAL(BUILD_[]UP, test "x$have_[]m4_defn([DOWN])" = "xyes")
+
+AS_IF([test "x$have_[]m4_defn([DOWN])" = "xyes"], [$2], [$3])
+
+])
+
+
+dnl Macro that check if a binary is built or not
+
+dnl Usage: EFL_WITH_BIN(package, binary, default_value)
+dnl Call AC_SUBST(_binary) (_binary is the lowercase of binary, - being transformed into _ by default, or the value set by the user)
+
+AC_DEFUN([EFL_WITH_BIN],
+[
+
+m4_pushdef([DOWN], m4_translit([[$2]], [-A-Z], [_a-z]))dnl
+
+dnl configure option
+
+AC_ARG_WITH([$2],
+   [AC_HELP_STRING([--with-$2=PATH], [specify a specific path to ]DOWN[ @<:@default=$3@:>@])],
+   [_efl_with_binary=${withval}],
+   [_efl_with_binary=$(pkg-config --variable=prefix $1)/bin/$3])
+
+DOWN=${_efl_with_binary}
+AC_MSG_NOTICE(DOWN[ set to ${_efl_with_binary}])
+
+with_binary_[]m4_defn([DOWN])=${_efl_with_binary}
+
+AC_SUBST(DOWN)
+
+])
diff --git a/m4/efl_compiler.m4 b/m4/efl_compiler.m4
new file mode 100644
index 0000000..32819f2
--- /dev/null
+++ b/m4/efl_compiler.m4
@@ -0,0 +1,90 @@
+dnl Copyright (C) 2012 Vincent Torri <vincent dot torri at gmail dot com>
+dnl This code is public domain and can be freely used or copied.
+
+dnl Macro that check if compiler of linker flags are available
+
+
+dnl Macro that checks for a compiler flag availability
+dnl
+dnl _EFL_CHECK_COMPILER_FLAGS(EFL, FLAGS)
+dnl AC_SUBST : EFL_CFLAGS (EFL being replaced by its value)
+dnl have_flag: yes or no.
+AC_DEFUN([_EFL_CHECK_COMPILER_FLAGS],
+[dnl
+m4_pushdef([UPEFL], m4_translit([[$1]], [-a-z], [_A-Z]))dnl
+
+dnl store in options -Wfoo if -Wno-foo is passed
+option="m4_bpatsubst([[$2]], [-Wno-], [-W])"
+CFLAGS_save="${CFLAGS}"
+CFLAGS="${CFLAGS} ${option}"
+AC_LANG_PUSH([C])
+
+AC_MSG_CHECKING([whether the compiler supports $2])
+AC_COMPILE_IFELSE(
+   [AC_LANG_PROGRAM([[]])],
+   [have_flag="yes"],
+   [have_flag="no"])
+AC_MSG_RESULT([${have_flag}])
+
+AC_LANG_POP([C])
+CFLAGS="${CFLAGS_save}"
+if test "x${have_flag}" = "xyes" ; then
+   UPEFL[_CFLAGS]="${UPEFL[_CFLAGS]} [$2]"
+fi
+AC_SUBST(UPEFL[_CFLAGS])dnl
+m4_popdef([UPEFL])dnl
+])
+
+dnl EFL_CHECK_COMPILER_FLAGS(EFL, FLAGS)
+dnl Checks if FLAGS are supported and add to EFL_CLFAGS.
+dnl
+dnl It will first try every flag at once, if one fails will try them one by one.
+AC_DEFUN([EFL_CHECK_COMPILER_FLAGS],
+[dnl
+_EFL_CHECK_COMPILER_FLAGS([$1], [$2])
+if test "${have_flag}" != "yes"; then
+m4_foreach_w([flag], [$2], [_EFL_CHECK_COMPILER_FLAGS([$1], m4_defn([flag]))])
+fi
+])
+
+
+dnl Macro that checks for a linker flag availability
+dnl
+dnl _EFL_CHECK_LINKER_FLAGS(EFL, FLAGS)
+dnl AC_SUBST : EFL_LDFLAGS (EFL being replaced by its value)
+dnl have_flag: yes or no
+AC_DEFUN([_EFL_CHECK_LINKER_FLAGS],
+[dnl
+m4_pushdef([UPEFL], m4_translit([[$1]], [-a-z], [_A-Z]))dnl
+
+LDFLAGS_save="${LDFLAGS}"
+LDFLAGS="${LDFLAGS} $2"
+AC_LANG_PUSH([C])
+
+AC_MSG_CHECKING([whether the linker supports $2])
+AC_LINK_IFELSE(
+   [AC_LANG_PROGRAM([[]])],
+   [have_flag="yes"],
+   [have_flag="no"])
+AC_MSG_RESULT([${have_flag}])
+
+AC_LANG_POP([C])
+LDFLAGS="${LDFLAGS_save}"
+if test "x${have_flag}" = "xyes" ; then
+   UPEFL[_LDFLAGS]="${UPEFL[_LDFLAGS]} [$2]"
+fi
+AC_SUBST(UPEFL[_LDFLAGS])dnl
+m4_popdef([UPEFL])dnl
+])
+
+dnl EFL_CHECK_LINKER_FLAGS(EFL, FLAGS)
+dnl Checks if FLAGS are supported and add to EFL_CLFAGS.
+dnl
+dnl It will first try every flag at once, if one fails will try them one by one.
+AC_DEFUN([EFL_CHECK_LINKER_FLAGS],
+[dnl
+_EFL_CHECK_LINKER_FLAGS([$1], [$2])
+if test "${have_flag}" != "yes"; then
+m4_foreach_w([flag], [$2], [_EFL_CHECK_LINKER_FLAGS([$1], m4_defn([flag]))])
+fi
+])dnl
diff --git a/m4/efl_path_max.m4 b/m4/efl_path_max.m4
new file mode 100644
index 0000000..f57bfd2
--- /dev/null
+++ b/m4/efl_path_max.m4
@@ -0,0 +1,36 @@
+dnl Check for PATH_MAX in limits.h, and define a default value if not found
+dnl This is a workaround for systems not providing PATH_MAX, like GNU/Hurd
+
+dnl EFL_CHECK_PATH_MAX([DEFAULT_VALUE_IF_NOT_FOUND])
+dnl
+dnl If PATH_MAX is not defined in <limits.h>, defines it
+dnl to DEFAULT_VALUE_IF_NOT_FOUND if it exists, or fallback
+dnl to using 4096
+
+AC_DEFUN([EFL_CHECK_PATH_MAX],
+[
+
+default_max=m4_default([$1], "4096")
+AC_LANG_PUSH([C])
+
+AC_MSG_CHECKING([for PATH_MAX in limits.h])
+AC_COMPILE_IFELSE(
+   [AC_LANG_PROGRAM(
+       [[
+#include <limits.h>
+       ]],
+       [[
+int i = PATH_MAX;
+       ]])],
+   [AC_MSG_RESULT([yes])],
+   [
+    AC_DEFINE_UNQUOTED([PATH_MAX],
+       [${default_max}],
+       [default value since PATH_MAX is not defined])
+    AC_MSG_RESULT([no: using ${default_max}])
+   ])
+
+AC_LANG_POP([C])
+
+])
+dnl end of efl_path_max.m4
diff --git a/m4/project_init.m4 b/m4/project_init.m4
new file mode 100644
index 0000000..12645a8
--- /dev/null
+++ b/m4/project_init.m4
@@ -0,0 +1,115 @@
+
+dnl PROJECT_VERSION(major, minor, micro, release)
+dnl This setup PROJECT version information and should be called BEFORE AC_INIT().
+dnl
+dnl release parameter is 'dev' to use from SVN or libtool -release field.
+dnl It may be empty if not dev (svn/live build) and no -release is to be used.
+dnl
+dnl Examples:
+dnl     PROJECT_VERSION(1, 7, 99, dev)
+dnl     PROJECT_VERSION(1, 7, 99, ver-1234)
+dnl This will define couple of m4 symbols:
+dnl     v_maj = given major number (first parameter)
+dnl     v_min = given minor number (second parameter)
+dnl     v_mic = given micro number (third parameter)
+dnl     v_rev = if release, it's 0, otherwise it's dev_version.
+dnl     v_rel = if release, it's -release followed by fourth parameter,
+dnl             otherwise it's empty. (mostly for libtool)
+dnl     v_ver = if release, it's major.minor.micro, otherwise it's
+dnl             major.minor.micro.dev_version
+dnl     dev_version = development version (svn revision).
+dnl     def_build_profile = dev or release based on 'dev' release parameter.
+AC_DEFUN([PROJECT_VERSION],
+[dnl
+m4_define([v_maj], [$1])dnl
+m4_define([v_min], [$2])dnl
+m4_define([v_mic], [$3])dnl
+m4_define([dev_version], m4_esyscmd([(git rev-list --count HEAD 2>/dev/null || echo 0) | tr -d '\n']))dnl
+m4_define([v_rev], m4_if($4, dev, [dev_version], [0]))dnl
+m4_define([v_rel], m4_if($4, dev, [], m4_ifblank($4, [], [-release $4])))dnl
+m4_define([def_build_profile], m4_if($4, dev, [dev], [release]))dnl
+m4_define([v_ver], m4_if($4, dev, [v_maj.v_min.v_mic.v_rev], [v_maj.v_min.v_mic]))dnl
+])
+
+dnl PROJECT_COLOR
+dnl will check if terminal supports color and if color is wanted by user.
+dnl
+dnl Used Variables:
+dnl     WANT_COLOR: if no, forces no color output.
+dnl     TERM: used to check if color should be enabled.
+dnl
+dnl Defined Variables:
+dnl     COLOR_YES: to be used in positive/yes conditions
+dnl     COLOR_NO: to be used in negative/no conditions
+dnl     COLOR_OTHER: to be used to highlight some other condition
+dnl     COLOR_RESET: to reset color
+dnl     want_color: yes or no
+AC_DEFUN([PROJECT_COLOR],
+[dnl
+case "$TERM" in
+   xterm|xterm-color|Eterm|aterm|kterm|rxvt*|screen|gnome|interix)
+      want_color="${WANT_COLOR:-yes}"
+      ;;
+   *)
+      want_color="no"
+      ;;
+esac
+
+if test "${want_color}" = "yes"; then
+   COLOR_YES=`echo -e "\033@<:@1;32m"`
+   COLOR_NO=`echo -e "\033@<:@1;31m"`
+   COLOR_OTHER=`echo -e "\033@<:@1;36m"`
+   COLOR_RESET=`echo -e "\033@<:@0m"`
+else
+   COLOR_YES=""
+   COLOR_NO=""
+   COLOR_OTHER=""
+   COLOR_RESET=""
+fi
+])
+
+dnl PROJECT_INIT()
+dnl Will AC_DEFINE() the following:
+dnl     VMAJ = v_maj
+dnl     VMIN = v_min
+dnl     VMIC = v_mic
+dnl     VREV = v_rev
+dnl Will AC_SUBST() the following:
+dnl     VMAJ = v_maj
+dnl     VMIN = v_min
+dnl     VMIC = v_mic
+dnl     PROJECT_LTLIBRARY_FLAGS="-no-undefined -version-info ..."
+dnl     PROJECT_LTMODULE_FLAGS="-no-undefined -avoid-version"
+dnl Will define the following m4:
+dnl     lt_cur = libtool 'current' field of libtool's -version-info
+dnl     lt_rev = libtool 'revision' field of libtool's -version-info
+dnl     lt_age = libtool 'age' field of libtool's -version-info
+AC_DEFUN([PROJECT_INIT],
+[dnl
+AC_REQUIRE([PROJECT_COLOR])dnl
+AC_DEFINE_UNQUOTED([VMAJ], [v_maj], [Major version])dnl
+AC_DEFINE_UNQUOTED([VMIN], [v_min], [Minor version])dnl
+AC_DEFINE_UNQUOTED([VMIC], [v_mic], [Micro version])dnl
+AC_DEFINE_UNQUOTED([VREV], [v_rev], [Revison])dnl
+VMAJ=v_maj
+VMIN=v_min
+VMIC=v_mic
+AC_SUBST([VMAJ])dnl
+AC_SUBST([VMIN])dnl
+AC_SUBST([VMIC])dnl
+dnl
+dnl TODO: warning - lt_cur:
+dnl the previous code assumed v_maj + v_min, but this will be a problem when
+dnl we bump v_maj and reset v_min. 1 + 7 == 7 + 1, so if v_maj is bumped
+dnl we multiply it by 100.
+m4_define([lt_cur], m4_if(m4_cmp(v_maj, 1), 0, m4_eval(v_maj + v_min), m4_eval(v_maj * 100 + v_min)))dnl
+m4_define([lt_rev], v_mic)dnl
+m4_define([lt_age], v_min)dnl
+dnl
+PROJECT_LTLIBRARY_FLAGS="-no-undefined -version-info lt_cur:lt_rev:lt_age v_rel"
+AC_SUBST(PROJECT_LTLIBRARY_FLAGS)dnl
+PROJECT_LTMODULE_FLAGS="-no-undefined -avoid-version"
+AC_SUBST([PROJECT_LTMODULE_FLAGS])dnl
+AC_MSG_NOTICE([Initialized AC_PACKAGE_NAME (AC_PACKAGE_VERSION) development=dev_version v_rel])
+])
+