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dnl Checks for libexe required headers and functions
dnl
dnl Version: 20201114
dnl Function to detect if libexe is available
dnl ac_libexe_dummy is used to prevent AC_CHECK_LIB adding unnecessary -l<library> arguments
AC_DEFUN([AX_LIBEXE_CHECK_LIB],
[AS_IF(
[test "x$ac_cv_enable_shared_libs" = xno || test "x$ac_cv_with_libexe" = xno],
[ac_cv_libexe=no],
[ac_cv_libexe=check
dnl Check if the directory provided as parameter exists
AS_IF(
[test "x$ac_cv_with_libexe" != x && test "x$ac_cv_with_libexe" != xauto-detect],
[AS_IF(
[test -d "$ac_cv_with_libexe"],
[CFLAGS="$CFLAGS -I${ac_cv_with_libexe}/include"
LDFLAGS="$LDFLAGS -L${ac_cv_with_libexe}/lib"],
[AC_MSG_FAILURE(
[no such directory: $ac_cv_with_libexe],
[1])
])
],
[dnl Check for a pkg-config file
AS_IF(
[test "x$cross_compiling" != "xyes" && test "x$PKGCONFIG" != "x"],
[PKG_CHECK_MODULES(
[libexe],
[libexe >= 20120405],
[ac_cv_libexe=yes],
[ac_cv_libexe=check])
])
AS_IF(
[test "x$ac_cv_libexe" = xyes && test "x$ac_cv_enable_wide_character_type" != xno],
[AC_CACHE_CHECK(
[whether libexe/features.h defines LIBEXE_HAVE_WIDE_CHARACTER_TYPE as 1],
[ac_cv_header_libexe_features_h_have_wide_character_type],
[AC_LANG_PUSH(C)
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM(
[[#include <libexe/features.h>]],
[[#if !defined( LIBEXE_HAVE_WIDE_CHARACTER_TYPE ) || ( LIBEXE_HAVE_WIDE_CHARACTER_TYPE != 1 )
#error LIBEXE_HAVE_WIDE_CHARACTER_TYPE not defined
#endif]] )],
[ac_cv_header_libexe_features_h_have_wide_character_type=yes],
[ac_cv_header_libexe_features_h_have_wide_character_type=no])
AC_LANG_POP(C)],
[ac_cv_header_libexe_features_h_have_wide_character_type=no])
AS_IF(
[test "x$ac_cv_header_libexe_features_h_have_wide_character_type" = xno],
[ac_cv_libexe=no])
])
AS_IF(
[test "x$ac_cv_libexe" = xyes],
[ac_cv_libexe_CPPFLAGS="$pkg_cv_libexe_CFLAGS"
ac_cv_libexe_LIBADD="$pkg_cv_libexe_LIBS"])
])
AS_IF(
[test "x$ac_cv_libexe" = xcheck],
[dnl Check for headers
AC_CHECK_HEADERS([libexe.h])
AS_IF(
[test "x$ac_cv_header_libexe_h" = xno],
[ac_cv_libexe=no],
[dnl Check for the individual functions
ac_cv_libexe=yes
AC_CHECK_LIB(
exe,
libexe_get_version,
[ac_cv_libexe_dummy=yes],
[ac_cv_libexe=no])
dnl TODO add functions
ac_cv_libexe_LIBADD="-lexe"])
])
AS_IF(
[test "x$ac_cv_with_libexe" != x && test "x$ac_cv_with_libexe" != xauto-detect && test "x$ac_cv_libexe" != xyes],
[AC_MSG_FAILURE(
[unable to find supported libexe in directory: $ac_cv_with_libexe],
[1])
])
])
AS_IF(
[test "x$ac_cv_libexe" = xyes],
[AC_DEFINE(
[HAVE_LIBEXE],
[1],
[Define to 1 if you have the `exe' library (-lexe).])
])
AS_IF(
[test "x$ac_cv_libexe" = xyes],
[AC_SUBST(
[HAVE_LIBEXE],
[1]) ],
[AC_SUBST(
[HAVE_LIBEXE],
[0])
])
])
dnl Function to detect if libexe dependencies are available
AC_DEFUN([AX_LIBEXE_CHECK_LOCAL],
[ac_cv_libexe_CPPFLAGS="-I../libexe";
ac_cv_libexe_LIBADD="../libexe/libexe.la";
ac_cv_libexe=local
])
dnl Function to detect how to enable libexe
AC_DEFUN([AX_LIBEXE_CHECK_ENABLE],
[AX_COMMON_ARG_WITH(
[libexe],
[libexe],
[search for libexe in includedir and libdir or in the specified DIR, or no if to use local version],
[auto-detect],
[DIR])
dnl Check for a shared library version
AX_LIBEXE_CHECK_LIB
dnl Check if the dependencies for the local library version
AS_IF(
[test "x$ac_cv_libexe" != xyes],
[AX_LIBEXE_CHECK_LOCAL
AC_DEFINE(
[HAVE_LOCAL_LIBEXE],
[1],
[Define to 1 if the local version of libexe is used.])
AC_SUBST(
[HAVE_LOCAL_LIBEXE],
[1])
])
AM_CONDITIONAL(
[HAVE_LOCAL_LIBEXE],
[test "x$ac_cv_libexe" = xlocal])
AS_IF(
[test "x$ac_cv_libexe_CPPFLAGS" != "x"],
[AC_SUBST(
[LIBEXE_CPPFLAGS],
[$ac_cv_libexe_CPPFLAGS])
])
AS_IF(
[test "x$ac_cv_libexe_LIBADD" != "x"],
[AC_SUBST(
[LIBEXE_LIBADD],
[$ac_cv_libexe_LIBADD])
])
AS_IF(
[test "x$ac_cv_libexe" = xyes],
[AC_SUBST(
[ax_libexe_pc_libs_private],
[-lexe])
])
AS_IF(
[test "x$ac_cv_libexe" = xyes],
[AC_SUBST(
[ax_libexe_spec_requires],
[libexe])
AC_SUBST(
[ax_libexe_spec_build_requires],
[libexe-devel])
])
])
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