mewin/libpng
1
0
Fork 0
mirror of https://git.code.sf.net/p/libpng/code.git synced 2025-07-10 18:04:09 +02:00
Code Issues Projects Releases Wiki Activity

configure: Fix possible regressions with trunk autoconf (vs 2.71)

Browse Source 
Signed-off-by: Cosmin Truta <ctruta@gmail.com>
This commit is contained in:
Paul Eggert 2022-11-17 09:03:06 -08:00 committed by Cosmin Truta
parent 790fef342b
commit 074e2eaab0
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
configure.ac
View File

@ -138,7 +138,8 @@ AC_STRUCT_TM
AC_C_RESTRICT
# Checks for library functions.
AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_MSG_ERROR(cannot find pow)))
AC_CHECK_FUNCS([pow], ,
[AC_CHECK_LIB([m], [pow], , [AC_MSG_ERROR([cannot find pow])])])
# Some later POSIX 1003.1 functions are required for test programs, failure
# here is soft (the corresponding test program is not built).
@ -150,8 +151,9 @@ AC_ARG_WITH(zlib-prefix,
[prefix that may have been used in installed zlib]),
[ZPREFIX=${withval}],
[ZPREFIX='z_'])
AC_CHECK_LIB(z, zlibVersion, ,
AC_CHECK_LIB(z, ${ZPREFIX}zlibVersion, , AC_MSG_ERROR(zlib not installed)))
AC_CHECK_LIB([z], [zlibVersion], ,
[AC_CHECK_LIB([z], [${ZPREFIX}zlibVersion], ,
[AC_MSG_ERROR([zlib not installed])])])
# The following is for pngvalid, to ensure it catches FP errors even on
# platforms that don't enable FP exceptions, the function appears in the math