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Require autoconf 2.69 & Automake 1.11 or newer #826

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39f03cb
[autoconf] Require version 2.69
gruenich May 9, 2026
472e137
[automake] Require automake 1.11 or newer
gruenich May 11, 2026
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2 changes: 1 addition & 1 deletion INSTALL
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,7 @@ Prerequisites

In case you need to (re-)generate the script "configure" (see next section), you
have to have the GNU autoconf/automake programs installed on your system. You
should have at least autoconf version >= 2.59 and automake version >= 1.7.
should have at least autoconf version >= 2.69 and automake version >= 1.11.
For generating the configure script from a GIT repository, you also need Git.

To compile the sources you need reasonably modern C and C++ compilers, like for
Expand Down
23 changes: 2 additions & 21 deletions configure.ac
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@@ -1,11 +1,3 @@
# m4_esyscmd_s implementation for autoconf < 2.64.
# (Taken from m4sugar.m4 in autoconf 2.69.)
m4_ifndef([m4_esyscmd_s], [m4_define([m4_esyscmd_s],
[m4_chomp_all(m4_esyscmd([$1]))])])
m4_ifndef([m4_chomp_all], [m4_define([m4_chomp_all],
[m4_format([[%.*s]], m4_bregexp(m4_translit([[$1]], [
/], [/ ]), [/*$]), [$1])])])

# Get the version from
# (1) .version file available in a tarball, or
# (2) the latest tag in the repository.
Expand Down Expand Up @@ -76,28 +68,17 @@ m4_define([subdir_objects], [m4_esyscmd_s([
awk '{split ($NF,a,"."); if (a[1] >= 2 || (a[1] == 1 && a[2] >= 14)) { print "subdir-objects" }}'
])])

AC_PREREQ([2.59])
AC_PREREQ([2.69])
AC_INIT([FORM], [FORM_VERSION], [https://github.com/form-dev/form/issues])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([sources/form3.h])
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([1.7 foreign -Wall dist-bzip2] serial_tests subdir_objects)
AM_INIT_AUTOMAKE([1.11 foreign -Wall dist-bzip2] serial_tests subdir_objects)

# Check for .version file
AM_CONDITIONAL([FIXED_VERSION], [test -f $srcdir/.version])

# Check for automake >= 1.10
flag=false
case $am__api_version in
1.6|1.7|1.8|1.9)
;;
*)
flag=:
;;
esac
AM_CONDITIONAL([AUTOMAKE_GE_110], [$flag])

# Check for programs
: ${CFLAGS=''} # avoid autoconf's default CFLAGS/CXXFLAGS
: ${CXXFLAGS=''}
Expand Down
32 changes: 0 additions & 32 deletions sources/Makefile.am
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Expand Up @@ -158,10 +158,6 @@ DISTHOOK_VERSION_H = \

endif

# NOTE: maude_CXXFLAGS is not used while linking maude by default
# in automake < 1.10. A workaround is to define maude_LINK
# explicitly in all cases. (TU 22 Sep 2011)

bin_PROGRAMS =

if BUILD_FORM
Expand All @@ -172,11 +168,6 @@ form_CFLAGS = $(COMPILEFLAGS)
form_CXXFLAGS = $(COMPILEFLAGS)
form_LDFLAGS = $(LINKFLAGS) $(STATIC_LDFLAGS)
form_LDADD = $(TOOL_LIBS)
if AUTOMAKE_GE_110
form_LINK = $(CXXLD) $(form_CXXFLAGS) $(CXXFLAGS) $(form_LDFLAGS) $(LDFLAGS) -o $@
else
form_LINK = $(CXXLD) $(form_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
endif
endif

if BUILD_VORM
Expand All @@ -187,11 +178,6 @@ vorm_CFLAGS = $(DEBUGCOMPILEFLAGS)
vorm_CXXFLAGS = $(DEBUGCOMPILEFLAGS)
vorm_LDFLAGS = $(DEBUGLINKFLAGS)
vorm_LDADD = $(DEBUGTOOL_LIBS)
if AUTOMAKE_GE_110
vorm_LINK = $(CXXLD) $(vorm_CXXFLAGS) $(CXXFLAGS) $(vorm_LDFLAGS) $(LDFLAGS) -o $@
else
vorm_LINK = $(CXXLD) $(vorm_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
endif
endif

if BUILD_TFORM
Expand All @@ -202,11 +188,6 @@ tform_CFLAGS = $(COMPILEFLAGS) $(PTHREAD_CFLAGS)
tform_CXXFLAGS = $(COMPILEFLAGS) $(PTHREAD_CFLAGS)
tform_LDFLAGS = $(LINKFLAGS) $(STATIC_LDFLAGS)
tform_LDADD = $(PTHREAD_LIBS) $(TOOL_LIBS)
if AUTOMAKE_GE_110
tform_LINK = $(CXXLD) $(tform_CXXFLAGS) $(CXXFLAGS) $(tform_LDFLAGS) $(LDFLAGS) -o $@
else
tform_LINK = $(CXXLD) $(tform_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
endif
endif

if BUILD_TVORM
Expand All @@ -217,11 +198,6 @@ tvorm_CFLAGS = $(DEBUGCOMPILEFLAGS) $(PTHREAD_CFLAGS)
tvorm_CXXFLAGS = $(DEBUGCOMPILEFLAGS) $(PTHREAD_CFLAGS)
tvorm_LDFLAGS = $(DEBUGLINKFLAGS)
tvorm_LDADD = $(PTHREAD_LIBS) $(DEBUGTOOL_LIBS)
if AUTOMAKE_GE_110
tvorm_LINK = $(CXXLD) $(tvorm_CXXFLAGS) $(CXXFLAGS) $(tvorm_LDFLAGS) $(LDFLAGS) -o $@
else
tvorm_LINK = $(CXXLD) $(tvorm_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
endif
endif

if BUILD_PARFORM
Expand All @@ -232,11 +208,7 @@ parform_CFLAGS = $(COMPILEFLAGS) $(MPI_CFLAGS)
parform_CXXFLAGS = $(COMPILEFLAGS) $(MPI_CXXFLAGS)
parform_LDFLAGS = $(LINKFLAGS) $(MPI_STATIC_LDFLAGS)
parform_LDADD = $(TOOL_LIBS)
if AUTOMAKE_GE_110
parform_LINK = $(MPICXX) $(parform_CXXFLAGS) $(CXXFLAGS) $(parform_LDFLAGS) $(LDFLAGS) -o $@
else
parform_LINK = $(MPICXX) $(parform_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
endif
endif

if BUILD_PARVORM
Expand All @@ -247,9 +219,5 @@ parvorm_CFLAGS = $(DEBUGCOMPILEFLAGS) $(MPI_CFLAGS)
parvorm_CXXFLAGS = $(DEBUGCOMPILEFLAGS) $(MPI_CXXFLAGS)
parvorm_LDFLAGS = $(DEBUGLINKFLAGS)
parvorm_LDADD = $(DEBUGTOOL_LIBS)
if AUTOMAKE_GE_110
parvorm_LINK = $(MPICXX) $(parvorm_CXXFLAGS) $(CXXFLAGS) $(parvorm_LDFLAGS) $(LDFLAGS) -o $@
else
parvorm_LINK = $(MPICXX) $(parvorm_CXXFLAGS) $(CXXFLAGS) $(LDFLAGS) -o $@
endif
endif
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