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Fix *_PREREQ() comments in BUILD2_AUTOCONF_LIBC_VERSION.h

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Francois Kritzinger 2022-09-12 13:18:06 +02:00
parent 89ee15fa4a
commit 950c00d571
1 changed files with 11 additions and 7 deletions
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libbuild2-autoconf/libbuild2/autoconf/checks/BUILD2_AUTOCONF_LIBC_VERSION.h
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@ -105,12 +105,16 @@
/* BUILD2_AUTOCONF_GLIBC_PREREQ(maj, min) /* BUILD2_AUTOCONF_GLIBC_PREREQ(maj, min)
* *
* Return 1 if the given version number is >= the glibc version, or 0 * Return 1 if the glibc version is >= the given version number, or 0
* otherwise. * otherwise.
* *
* __GLIBC_PREREQ() was only added in glibc 2.2 (released in 2000) so define * __GLIBC_PREREQ() first appeared in glibc 2.2 (released in 2000) so define
* BUILD2_AUTOCONF_GLIBC_PREREQ() using its latest glibc implementation if it * BUILD2_AUTOCONF_GLIBC_PREREQ() using its latest glibc implementation if it
* is not defined. * is not defined.
*
* __GLIBC__ and __GLIBC_MINOR__ first appeared in glibc 1.97 on 1996-10-22
* (but only released in glibc 2.0 on 1997-01-26) with no preceding equivalent
* so always return 0 if these macros are not defined.
*/ */
#if defined(__GLIBC__) && defined(__GLIBC_MINOR__) #if defined(__GLIBC__) && defined(__GLIBC_MINOR__)
# if defined(__GLIBC_PREREQ) # if defined(__GLIBC_PREREQ)
@ -125,7 +129,7 @@
/* BUILD2_AUTOCONF_FREEBSD_PREREQ(maj, min) /* BUILD2_AUTOCONF_FREEBSD_PREREQ(maj, min)
* *
* Return 1 if the given version number is >= the FreeBSD version, or 0 * Return 1 if the FreeBSD version is >= the given version number, or 0
* otherwise. * otherwise.
*/ */
#if defined(__FreeBSD__) && defined(__FreeBSD_version) #if defined(__FreeBSD__) && defined(__FreeBSD_version)
@ -137,8 +141,8 @@
/* BUILD2_AUTOCONF_OPENBSD_PREREQ(yyyymm) /* BUILD2_AUTOCONF_OPENBSD_PREREQ(yyyymm)
* *
* Return 1 if the given release date is >= the release date of the OpenBSD * Return 1 if the release date of the OpenBSD version is >= the given release
* version, or 0 otherwise. * date, or 0 otherwise.
*/ */
#if defined(__OpenBSD__) && defined(OpenBSD) #if defined(__OpenBSD__) && defined(OpenBSD)
# define BUILD2_AUTOCONF_OPENBSD_PREREQ(yyyymm) (OpenBSD >= (yyyymm)) # define BUILD2_AUTOCONF_OPENBSD_PREREQ(yyyymm) (OpenBSD >= (yyyymm))
@ -148,7 +152,7 @@
/* BUILD2_AUTOCONF_NETBSD_PREREQ(maj, min) /* BUILD2_AUTOCONF_NETBSD_PREREQ(maj, min)
* *
* Return 1 if the given version number is >= the NetBSD version, or 0 * Return 1 if the NetBSD version is >= the given version number, or 0
* otherwise. * otherwise.
*/ */
#if defined(__NetBSD__) && defined(__NetBSD_Version__) #if defined(__NetBSD__) && defined(__NetBSD_Version__)
@ -160,7 +164,7 @@
/* BUILD2_AUTOCONF_MACOS_PREREQ(maj, min) /* BUILD2_AUTOCONF_MACOS_PREREQ(maj, min)
* *
* Return 1 if the given version number is >= the Mac OS version, or 0 * Return 1 if the Mac OS version is >= the given version number, or 0
* otherwise. * otherwise.
* *
* BUILD2_AUTOCONF_MACOS * BUILD2_AUTOCONF_MACOS