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autoconf: Set PKG_CONFIG_PATH required for Homebrew (macOS)

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If no PKG_CONFIG_PATH was provided by the user, it is now set
automatically on hosts which have the `brew` command.

MacOS with Homebrew needs PKG_CONFIG_PATH to find icu4c and libarchive.

Signed-off-by: Stefan Weil <stweil@notebook11.fritz.box>
This commit is contained in:
Stefan Weil 2022-01-12 18:58:21 +01:00
parent 853aa66962
commit 22ec41fb66
1 changed files with 9 additions and 2 deletions
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11
configure.ac
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@ -446,6 +446,15 @@ esac
AC_SEARCH_LIBS([pthread_create], [pthread])
# Set PKG_CONFIG_PATH for MacOS with Homebrew unless it is already set.
AC_CHECK_PROG([have_brew], brew, true, false)
if $have_brew; then
brew_prefix=$(brew --prefix)
if test -z "$PKG_CONFIG_PATH"; then
PKG_CONFIG_PATH=$brew_prefix/opt/icu4c/lib/pkgconfig:$brew_prefix/opt/libarchive/lib/pkgconfig
export PKG_CONFIG_PATH
fi
fi
# ----------------------------------------
# Check for programs needed to build documentation.
@ -465,9 +474,7 @@ AS_IF([test "$enable_doc" != "no"], [
if $have_asciidoc && $have_xsltproc; then
AM_CONDITIONAL([ASCIIDOC], true)
XML_CATALOG_FILES=
AC_CHECK_PROG([have_brew], brew, true, false)
if $have_brew; then
brew_prefix=$(brew --prefix)
catalog_file=$brew_prefix/etc/xml/catalog
if test -f $catalog_file; then
AM_CONDITIONAL([HAVE_XML_CATALOG_FILES], true)