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build: Only install time struct conversion macros where missing

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These macros are available in several systems, and we should not install
the man pages for them, otherwise we might end up shadowing the system
man pages if present.
This commit is contained in:
Guillem Jover 2024-03-13 00:56:07 +01:00
parent 3b8416acab
commit 31e9396bf2
3 changed files with 38 additions and 2 deletions
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15
configure.ac
View File

@ -42,6 +42,8 @@ LIBBSD_LINKER_VERSION_SCRIPT
is_windows=no
api_time_macros=unknown
abi_accmode=unknown
abi_arc4random=unknown
abi_arc4random_stir=unknown
@ -86,6 +88,8 @@ abi_wcsl=unknown
AS_CASE([$host_os],
[*-gnu* | gnu*], [
api_time_macros=no
abi_accmode=yes
# DROP: On glibc >= 2.36.
#abi_arc4random=no
@ -145,6 +149,8 @@ AS_CASE([$host_os],
abi_wcsl=yes
],
[*-musl*], [
api_time_macros=no
abi_accmode=yes
abi_arc4random=yes
abi_arc4random_stir=yes
@ -209,6 +215,8 @@ AS_CASE([$host_os],
abi_wcsl=yes
],
[darwin*], [
api_time_macros=no
abi_accmode=no
abi_arc4random=no
abi_arc4random_stir=no
@ -255,6 +263,8 @@ AS_CASE([$host_os],
abi_wcsl=no
],
[solaris2*], [
api_time_macros=yes
abi_accmode=yes
abi_arc4random=no
abi_arc4random_stir=no
@ -301,6 +311,8 @@ AS_CASE([$host_os],
abi_wcsl=yes
],
[aix*], [
api_time_macros=yes
abi_accmode=yes
abi_arc4random=yes
abi_arc4random_stir=yes
@ -545,6 +557,9 @@ AC_CHECK_FUNCS([\
AM_CONDITIONAL([HAVE_GETENTROPY], [test "x$ac_cv_func_getentropy" = "xyes"])
# API selection
LIBBSD_SELECT_API([time_macros], [time struct conversion macros])
# ABI selection
LIBBSD_SELECT_ABI([accmode], [setmode()/getmode()])
LIBBSD_SELECT_ABI([arc4random], [arc4random() API])

16
m4/libbsd-compiler.m4
View File

@ -71,6 +71,22 @@ int main() { return rc; }
[test "$libbsd_cv_gnu_init_array_support" = yes])
])
# LIBBSD_SELECT_API(name, desc)
# -----------------
AC_DEFUN([LIBBSD_SELECT_API], [
AS_IF([test -z "$AS_TR_SH([api_$1])"], [
AC_MSG_ERROR([missing API selection for $1])
], [test "$AS_TR_SH([api_$1])" = "unknown"], [
AC_MSG_ERROR([unknown ABI selection for $1])
], [test "$AS_TR_SH([api_$1])" = "yes"], [
AC_DEFINE(AS_TR_CPP([LIBBSD_API_$1]), [1], [Provide API for $2])
], [
AC_DEFINE(AS_TR_CPP([LIBBSD_API_$1]), [0])
])
AM_CONDITIONAL(AS_TR_CPP([API_$1]),
[test "x$AS_TR_SH([api_$1])" = "xyes"])
])
# LIBBSD_SELECT_ABI(name, desc)
# -----------------
AC_DEFUN([LIBBSD_SELECT_ABI], [

9
man/Makefile.am
View File

@ -141,8 +141,6 @@ dist_man_MANS = \
TAILQ_PREV.3bsd \
TAILQ_REMOVE.3bsd \
TAILQ_SWAP.3bsd \
TIMESPEC_TO_TIMEVAL.3bsd \
TIMEVAL_TO_TIMESPEC.3bsd \
be16dec.3bsd \
be16enc.3bsd \
be32dec.3bsd \
@ -182,6 +180,13 @@ dist_man_MANS = \
tree.3bsd \
# EOL
if API_TIME_MACROS
dist_man_MANS += \
TIMESPEC_TO_TIMEVAL.3bsd \
TIMEVAL_TO_TIMESPEC.3bsd \
# EOL
endif
if ABI_ACCMODE
dist_man_MANS += \
getmode.3bsd \