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[svn-r26042] Updated configure.ac so that POSIX_C_SOURCE=200112L and GNU_SOURCE

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are defined. The former is for posix_memalign() and the latter for
the O_DIRECT flag for open(). Both are for direct VFD support.

Fixes HDFFV-9088

Tested on: jam
This commit is contained in:
Dana Robinson 2015-01-26 22:31:03 -05:00
parent 4e37d30dba
commit b10f26ab18
2 changed files with 22 additions and 4 deletions
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13
configure vendored
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@ -23573,19 +23573,28 @@ case "$host_cpu-$host_vendor-$host_os" in
## Add POSIX support on Linux systems, so <features.h> defines
## __USE_POSIX, which is required to get the prototype for fdopen
## defined correctly in <stdio.h>.
##
## This flag was removed from h5cc as of 2009-10-17 when it was found
## that the flag broke compiling netCDF-4 code with h5cc, but kept in
## H5_CPPFLAGS because fdopen and HDfdopen fail without it. HDfdopen
## is used only by H5_debug_mask which is used only when debugging in
## H5_init_library (all in H5.c). When the flag was removed this was
## the only compile failure noted.
##
## This was originally defined as _POSIX_SOURCE which was updated to
## _POSIX_C_SOURCE=199506L to expose a greater amount of POSIX
## functionality so clock_gettime and CLOCK_MONOTONIC are defined
## correctly.
## correctly. This was later updated to 200112L so that
## posix_memalign() is visible for the direct VFD code on Linux
## systems.
##
## POSIX feature information can be found in the gcc manual at:
## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
H5_CPPFLAGS="-D_POSIX_C_SOURCE=199506L $H5_CPPFLAGS"
H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS"
## Need to add this so that O_DIRECT is visible for the direct
## VFD on Linux systems.
AM_CPPFLAGS="-D_GNU_SOURCE $AM_CPPFLAGS"
## Also add BSD support on Linux systems, so <features.h> defines
## __USE_BSD, which is required to get the prototype for strdup

13
configure.ac
View File

@ -1479,19 +1479,28 @@ case "$host_cpu-$host_vendor-$host_os" in
## Add POSIX support on Linux systems, so <features.h> defines
## __USE_POSIX, which is required to get the prototype for fdopen
## defined correctly in <stdio.h>.
##
## This flag was removed from h5cc as of 2009-10-17 when it was found
## that the flag broke compiling netCDF-4 code with h5cc, but kept in
## H5_CPPFLAGS because fdopen and HDfdopen fail without it. HDfdopen
## is used only by H5_debug_mask which is used only when debugging in
## H5_init_library (all in H5.c). When the flag was removed this was
## the only compile failure noted.
##
## This was originally defined as _POSIX_SOURCE which was updated to
## _POSIX_C_SOURCE=199506L to expose a greater amount of POSIX
## functionality so clock_gettime and CLOCK_MONOTONIC are defined
## correctly.
## correctly. This was later updated to 200112L so that
## posix_memalign() is visible for the direct VFD code on Linux
## systems.
##
## POSIX feature information can be found in the gcc manual at:
## http://www.gnu.org/s/libc/manual/html_node/Feature-Test-Macros.html
H5_CPPFLAGS="-D_POSIX_C_SOURCE=199506L $H5_CPPFLAGS"
H5_CPPFLAGS="-D_POSIX_C_SOURCE=200112L $H5_CPPFLAGS"
## Need to add this so that O_DIRECT is visible for the direct
## VFD on Linux systems.
AM_CPPFLAGS="-D_GNU_SOURCE $AM_CPPFLAGS"
## Also add BSD support on Linux systems, so <features.h> defines
## __USE_BSD, which is required to get the prototype for strdup