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authorDana Robinson <43805+derobins@users.noreply.github.com>2024-03-12 18:30:24 (GMT)
committerGitHub <noreply@github.com>2024-03-12 18:30:24 (GMT)
commit8123614b4d9e814f64e5bd325ccaead5bb76e003 (patch)
tree0b4f0fcf1adce2c3ee9baf2eb9a96e6f35417e2d
parent40cb71d4c2e41937a216c06b78e8e345955469e2 (diff)
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Use AC_SYS_LARGEFILE on Autotools (#4119)
We previously used a hack introduced in 1.8.5 to paper over differences in off_t and off64_t when determining the type sizes. We no longer explicitly support off64_t in the library and AC_SYS_LARGEFILE works fine.
-rw-r--r--acsite.m453
-rw-r--r--configure.ac23
2 files changed, 3 insertions, 73 deletions
diff --git a/acsite.m4 b/acsite.m4
deleted file mode 100644
index 1782033..0000000
--- a/acsite.m4
+++ /dev/null
@@ -1,53 +0,0 @@
-dnl -------------------------------------------------------------------------
-dnl -------------------------------------------------------------------------
-dnl
-dnl Copyright by The HDF Group.
-dnl All rights reserved.
-dnl
-dnl This file is part of HDF5. The full HDF5 copyright notice, including
-dnl terms governing use, modification, and redistribution, is contained in
-dnl the COPYING file, which can be found at the root of the source code
-dnl dnl distribution tree, or in https://www.hdfgroup.org/licenses.
-dnl dnl If you do not have access to either file, you may request a copy from
-dnl dnl help@hdfgroup.org.
-dnl
-dnl Macros for HDF5 Fortran
-dnl
-dnl -------------------------------------------------------------------------
-dnl -------------------------------------------------------------------------
-
-dnl -------------------------------------------------------------------------
-dnl _AC_SYS_LARGEFILE_MACRO_VALUE
-dnl
-dnl The following macro overrides the autoconf macro of the same name
-dnl with this custom definition. This macro performs the same checks as
-dnl autoconf's native _AC_SYS_LARGEFILE_MACRO_VALUE, but will also set
-dnl AM_CPPFLAGS with the appropriate -D defines so additional configure
-dnl sizeof checks do not fail.
-dnl
-# _AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, VALUE,
-# CACHE-VAR,
-# DESCRIPTION,
-# PROLOGUE, [FUNCTION-BODY])
-# ----------------------------------------------------------
-m4_define([_AC_SYS_LARGEFILE_MACRO_VALUE],
-[AC_CACHE_CHECK([for $1 value needed for large files], [$3],
-[while :; do
- m4_ifval([$6], [AC_LINK_IFELSE], [AC_COMPILE_IFELSE])(
- [AC_LANG_PROGRAM([$5], [$6])],
- [$3=no; break])
- m4_ifval([$6], [AC_LINK_IFELSE], [AC_COMPILE_IFELSE])(
- [AC_LANG_PROGRAM([@%:@define $1 $2
-$5], [$6])],
- [$3=$2; break])
- $3=unknown
- break
-done])
-case $$3 in #(
- no | unknown) ;;
- *) AC_DEFINE_UNQUOTED([$1], [$$3], [$4])
- AM_CPPFLAGS="-D$1=$$3 $AM_CPPFLAGS";;
-esac
-rm -rf conftest*[]dnl
-])# _AC_SYS_LARGEFILE_MACRO_VALUE
-
diff --git a/configure.ac b/configure.ac
index 4646ba7..0fa2b3f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1460,26 +1460,9 @@ if test "X${enable_shared}" = "Xyes"; then
fi
## ----------------------------------------------------------------------
-## Use the macro _AC_SYS_LARGEFILE_MACRO_VALUE to test defines
-## that might need to be set for largefile support to behave
-## correctly. This macro is defined in acsite.m4 and overrides
-## the version provided by Autoconf (as of v2.65). The custom
-## macro additionally adds the appropriate defines to AM_CPPFLAGS
-## so that later configure checks have them visible.
-
-## Check for _FILE_OFFSET_BITS
-_AC_SYS_LARGEFILE_MACRO_VALUE([_FILE_OFFSET_BITS], [64],
- [ac_cv_sys_file_offset_bits],
- [Number of bits in a file offset, on hosts where this is settable.],
- [_AC_SYS_LARGEFILE_TEST_INCLUDES])
-
-## Check for _LARGE_FILES
-if test "$ac_cv_sys_file_offset_bits" = unknown; then
- _AC_SYS_LARGEFILE_MACRO_VALUE([_LARGE_FILES], [1],
- [ac_cv_sys_large_files],
- [Define for large files, on AIX-style hosts.],
- [_AC_SYS_LARGEFILE_TEST_INCLUDES])
-fi
+## Set up large file support
+
+AC_SYS_LARGEFILE
## ----------------------------------------------------------------------
## Add necessary defines for Linux Systems.